TY - JOUR A1 - Arantzeta, Miren A1 - Bastiaanse, Roelien A1 - Burchert, Frank A1 - Wieling, Martijn Benjamin A1 - Martinez-Zabaleta, Maite A1 - Laka, Itziar T1 - Eye-tracking the effect of word order in sentence comprehension in aphasia BT - evidence from Basque, a free word order ergative language JF - Language, cognition and neuroscience N2 - Agrammatic speakers of languages with overt grammatical case show impaired use of the morphological cues to establish theta-role relations in sentences presented in non-canonical word orders. We analysed the effect of word order on the sentence comprehension of aphasic speakers of Basque, an ergative, free word order and head-final (SOV) language. Ergative languages such as Basque establish a one-to-one mapping of the thematic role and the case marker. We collected behavioural and gaze-fixation data while agrammatic speakers performed a picture-matching task with auditorily presented sentences with different word orders. We found that people with aphasia (PWA) had difficulties in assigning theta-roles in Theme-Agent order. This result is in line with processing accounts. Contrary to previous findings, our data do not suggest a systematic delay in the integration of morphological information in the PWA group, but strong reliance on the ergative case morphology and difficulties assigning thematic roles into the determiner phrases. KW - Aphasia KW - comprehension KW - Basque KW - sentence processing KW - eye-tracking Y1 - 2017 U6 - https://doi.org/10.1080/23273798.2017.1344715 SN - 2327-3798 SN - 2327-3801 VL - 32 IS - 10 SP - 1320 EP - 1343 PB - Routledge, Taylor & Francis Group CY - Abingdon ER - TY - JOUR A1 - Yue, Jinxing A1 - Alter, Kai-Uwe A1 - Howard, David A1 - Bastiaanse, Roelien T1 - Early access to lexical-level phonological representations of Mandarin word-forms BT - evidence from auditory N1 habituation JF - Language, cognition and neuroscience N2 - An auditory habituation design was used to investigate whether lexical-level phonological representations in the brain can be rapidly accessed after the onset of a spoken word. We studied the N1 component of the auditory event-related electrical potential, and measured the amplitude decrements of N1 associated with the repetition of a monosyllabic tone word and an acoustically similar pseudo-word in Mandarin Chinese. Effects related to the contrastive onset consonants were controlled for by introducing two control words. We show that repeated pseudo-words consistently elicit greater amplitude decrements in N1 than real words. Furthermore, this lexicality effect is free from sensory fatigue or rapid learning of the pseudo-word. These results suggest that a lexical-level phonological representation of a spoken word can be accessed as early as 110ms after the onset of the word-form. KW - Auditory N1 KW - short-term habituation KW - spoken word KW - Mandarin Chinese KW - language KW - event-related potential KW - lexical access Y1 - 2017 U6 - https://doi.org/10.1080/23273798.2017.1290261 SN - 2327-3798 SN - 2327-3801 VL - 32 IS - 9 SP - 1148 EP - 1163 PB - Routledge, Taylor & Francis Group CY - Abingdon ER - TY - JOUR A1 - Martinez-Ferreiro, Silvia A1 - Reyes, Andres Felipe A1 - Bastiaanse, Roelien T1 - Overcoming discourse-linking difficulties in aphasia BT - the case of clitic pronouns JF - Clinical linguistics & phonetics N2 - The present study aims to contribute to the ongoing discussion about the impact of discourse-linking deficits on the performance of individuals with aphasia by providing new data from a set of rarely investigated constructions: sentences in which a clitic pronoun coexists alongside with the full DP it agrees with. To do so, we use data of individuals with non-fluent aphasias who need to overcome the difficulties in direct object (accusative) clitic production. This results in overproduction of non-target clitic right dislocations (RDs) and clitic doubling (CD). Data from 15 individual’s native speakers of Spanish and Catalan are discussed. Data complement the results of previous investigations on discourse-linking effects in these languages, allowing the interpretation of results across constructions. KW - Clitic pronouns KW - discourse KW - aphasia KW - Spanish KW - Catalan Y1 - 0207 U6 - https://doi.org/10.1080/02699206.2017.1308015 SN - 0269-9206 SN - 1464-5076 VL - 31 IS - 6 SP - 459 EP - 477 PB - Taylor & Francis Group CY - Philadelphia ER - TY - JOUR A1 - Rofes, Adria A1 - Bastiaanse, Roelien A1 - Martinez-Ferreiro, Silvia T1 - Conditional and future tense impairment in non-fluent aphasia JF - Aphasiology : an international, interdisciplinary journal N2 - Background: Morphological errors of tense and agreement are salient in agrammatic aphasia. The PADILIH predicts impairments in discourse linking that translate to greater difficulties in referring to a past event time than to a future or a present event time. In Catalan, the Periphrastic conditional tense (e.g., if the man had had time, he would have...) refers to the past and the Simple conditional tense refers to the future (e.g., if the man had time, he would...). These two tenses refer to an event that may happen (irrealis).Aims: We fill in the gap of the conditional tense and provide further data to study contrasts in verb inflection for time reference. We predict that verb forms that refer to an irrealis past event (Periphrastic conditional) are more impaired than forms that refer to an irrealis future event (Simple conditional and Future). We also predict that there are no differences between verb forms that refer to an irrealis future event (Simple conditional and Future). We also assessed whether problems in time reference extend to individuals with non-fluent aphasia that are not typical agrammatic Broca aphasia.Methods & Procedures: A sentence completion task that included 60 sentences (20 per type) of equal length in a Conditional structure (if-sentences) was designed. We tested three sentence types: Periphrastic conditional, Simple conditional and Future. The task was administered to nine participants with non-fluent aphasia and nine age-matched non-brain-damaged participants.Outcomes & Results: The Control group scored at ceiling on the three sentence types. Participants with non-fluent aphasia were most impaired in the production of the Periphrastic conditional as compared with the Simple conditional and the Future.Conclusions: When irrealis event times are compared, past events are more impaired than future events. These results can be explained by a deficit in time reference as predicted by the PADILIH. Our data reveal that the predictions of the PADILIH also hold for non-fluent speakers who have been diagnosed with Transcortical motor aphasia. KW - Time reference KW - Conditional tense KW - Future tense KW - Realis KW - Irrealis KW - Non-fluent aphasia KW - Catalan KW - PADILIH Y1 - 2014 U6 - https://doi.org/10.1080/02687038.2013.850650 SN - 0268-7038 SN - 1464-5041 VL - 28 IS - 1 SP - 99 EP - 115 PB - Routledge, Taylor & Francis Group CY - Abingdon ER - TY - JOUR A1 - Jap, Bernard A. A1 - Martinez-Ferreiro, Silvia A1 - Bastiaanse, Roelien T1 - The effect of syntactic frequency on sentence comprehension in standard JF - Aphasiology : an international, interdisciplinary journal N2 - Background: Comprehension of reversible sentences that have derived word order has often been reported as impaired in agrammatic aphasia. Most accounts of this phenomenon refer to the syntactic differences between derived and base word order of the arguments. However, it has been demonstrated that in agrammatic spontaneous speech in standard Indonesian (SI) passives are produced at a rate that is proportional to that of healthy speakers. The main difference between passives in SI and in other languages is the frequency with which passives are used: passives in SI are highly frequent. The high frequency can be explained by the fact that passives are used for politeness reasons, saliency of the passive morphology, earlier acquisition, and formal simplicity of the passive structure. Aims: The purpose of the current study is to investigate comprehension of the passive as a derived structure in SI and the influence of frequency. Methods & Procedures: A sentence-to-picture matching task was developed to test four reversible sentence types (active, passive, subject cleft and object cleft). There are three variables that are of interest, that is, word order, embedding and relative frequency of structures. Eleven agrammatic speakers classified as suffering from Broca’s aphasia were tested. Outcomes & Results: The passive sentences were comprehended equally well as the active sentences. Embedding had limited effects: subject clefts were understood as well as actives and passives. Object clefts, however, were understood poorly and significantly worse than the three other sentence types. Conclusions: The sentence comprehension deficit pattern shown in SI individuals with Broca’s aphasia introduces frequency of a syntactic structure as an additional factor to consider. Whether frequency or pragmatic constraints protects against erosion of the passive in Broca’s aphasia in SI remains an open question. KW - frequency KW - standard Indonesian Y1 - 2016 U6 - https://doi.org/10.1080/02687038.2016.1148902 SN - 0268-7038 SN - 1464-5041 VL - 30 SP - 1325 EP - 1340 PB - Institute of Mathematical Statistics CY - Abingdon ER - TY - JOUR A1 - Lartey, Nathaniel A1 - Tsiwah, Frank A1 - Amponsah, Clement A1 - Martinez-Ferreiro, Silvia A1 - Bastiaanse, Roelien T1 - Resumption in the production of focused constructions in Akan speakers with agrammatism JF - Aphasiology N2 - Background: The distribution of pronouns varies cross-linguistically. This distribution has led to conflicting results in studies that investigated pronoun resolution in agrammatic indviduals. In the investigation of pronominal resolution, the linguistic phenomenon of "resumption" is understudied in agrammatism. The construction of pronominal resolution in Akan presents the opportunity to thoroughly examine resumption. Aims: To start, the present study examines the production of (pronominal) resumption in Akan focus constructions (who-questions and focused declaratives). Second, we explore the effect of grammatical tone on the processing of pronominal (resumption) since Akan is a tonal language. Methods & Procedures: First, we tested the ability to distinguish linguistic and non-linguistic tone in Akan agrammatic speakers. Then, we administered an elicitation task to five Akan agrammatic individuals, controlling for the structural variations in the realization of resumption: focused who-questions and declaratives with (i) only a resumptive pronoun, (ii) only a clause determiner, (iii) a resumptive pronoun and a clause determiner co-occurring, and (iv) neither a resumptive pronoun nor a clause determiner. Outcomes & Results: Tone discrimination .both for pitch and for lexical tone was unimpaired. The production task demonstrated that the production of resumptive pronouns and clause determiners was intact. However, the production of declarative sentences in derived word order was impaired; wh-object questions were relatively well-preserved. Conclusions: We argue that the problems with sentence production are highly selective: linguistic tones and resumption are intact but word order is impaired in non-canonical declarative sentences. KW - Agrammatism KW - focus constructions KW - (pronominal) resumption KW - clause determiner KW - Akan Y1 - 2019 U6 - https://doi.org/10.1080/02687038.2019.1686746 VL - 34 IS - 3 SP - 343 EP - 364 PB - Routledge CY - London ER - TY - JOUR A1 - Marusch, Tina A1 - von der Malsburg, Titus Raban A1 - Bastiaanse, Roelien A1 - Burchert, Frank T1 - Tempusmorphologie bei deutschen Agrammatikern: Die Sprachproduktion von reguläten, irregulären und gemischten Verben Y1 - 2013 ER - TY - JOUR A1 - Arslan, Seçkin A1 - Aksu-Koc, Ayhan A1 - Mavis, Ilknur A1 - Bastiaanse, Roelien T1 - Finite verb inflections for evidential categories and source JF - Journal of pragmatics : an interdisciplinary journal of language studies KW - Agrammatic aphasia KW - Evidentiality KW - Source identification KW - Discourse-linking KW - Time reference KW - Tense and aspect Y1 - 2014 U6 - https://doi.org/10.1016/j.pragma.2014.07.002 SN - 0378-2166 SN - 1879-1387 VL - 70 SP - 165 EP - 181 PB - Elsevier CY - Amsterdam ER - TY - JOUR A1 - Groenewold, Rimke A1 - Bastiaanse, Roelien A1 - Nickels, Lyndsey A1 - Wieling, Martijn A1 - Huiskes, Mike T1 - The effects of direct and indirect speech on discourse comprehension in Dutch listeners with and without aphasia JF - Aphasiology : an international, interdisciplinary journal N2 - Background: Research on language comprehension in aphasia has primarily focused on comprehension of isolated words and sentences. Even though previous studies have provided insights into comprehension abilities of individuals with aphasia at the word and grammatical level, our understanding of the nature and extent of their language comprehension (dis)abilities is not yet complete. In contrast to the highly restricted semantic and syntactic interpretation of sentences, discourse comprehension requires additional pragmatic and non-linguistic skills.Aims: The purpose of this study was to assess language comprehension in individuals with and without aphasia at the discourse level. In particular, it addressed the question of whether the use of direct speech, compared to indirect speech, affects comprehension of narrative discourse in Dutch aphasic and non-brain-damaged (NBD) listeners.Methods & Procedures: The Direct Speech Comprehension (DISCO) test was developed to examine the effects of manipulating direct vs. indirect speech on discourse comprehension. Twenty-three individuals with aphasia and 20 NBD participants were presented with spoken narratives that contained either direct or indirect speech reports. The narratives were presented audio-visually on an iPad, and comprehension was assessed with yes/no questions.Outcomes & Results: The performance of the participants with aphasia was significantly poorer than that of the NBD participants. Moreover, a main effect for condition type was found, indicating that narratives with direct speech reports were better understood than narratives with indirect speech reports by listeners with and without aphasia. There was no interaction between group and condition type indicating that this main effect held for both the aphasic and the NBD listeners. However, for the participants with aphasia, there was an interaction between condition and Token Test error score indicating that the positive effect of direct speech constructions diminishes for individuals with poorer comprehension.Conclusions: Direct speech constructions facilitate language comprehension in listeners with and without aphasia. One explanation for this finding is the occurrence of additional layers of communication, such as intonation and facial expression, often accompanying direct speech constructions. An alternative account is the degree of grammatical complexity: In Dutch, the syntactic construction of indirect speech requires embedding, whereas in direct speech the introductory sentence and the quote are both main clauses. The finding that the beneficial effect of direct speech on language comprehension diminishes for individuals with severe aphasia may indicate that the DISCO is too difficult for them to reveal an effect of a subtle manipulation such as that of condition type. KW - Aphasia KW - Discourse comprehension KW - Direct speech KW - Indirect speech Y1 - 2014 U6 - https://doi.org/10.1080/02687038.2014.902916 SN - 0268-7038 SN - 1464-5041 VL - 28 IS - 7 SP - 862 EP - 884 PB - Routledge, Taylor & Francis Group CY - Abingdon ER - TY - JOUR A1 - Groenewold, Rimke A1 - Bastiaanse, Roelien A1 - Nickels, Lyndsey A1 - Wieling, Martijn A1 - Huiskes, Mike T1 - The differential effects of direct and indirect speech on discourse comprehension in Dutch and English listeners with and without aphasia JF - Aphasiology : an international, interdisciplinary journal N2 - Background: In a previous study, we demonstrated that narratives containing direct speech constructions were easier to comprehend than narratives with indirect speech constructions for Dutch listeners with and without aphasia. There were two possible explanations for this finding: either that direct speech has increased liveliness compared to indirect speech or that direct speech is less grammatically complex. Aims: This study aimed to provide further insight into the mechanisms underlying the differences between direct and indirect speech constructions on discourse comprehension in Dutch. More specifically, it aimed to examine the role that the grammatical characteristics of direct and indirect speech play in discourse comprehension success by comparing English- and Dutch-speaking individuals with and without aphasia. Methods & Procedures: An English version of the Dutch iPad-based Direct Speech Comprehension (DISCO) test was developed. Twenty individuals with aphasia and 19 neurologically healthy control participants were presented with spoken narratives that contained either direct or indirect speech constructions. Their performance was compared to that of the participants of the Dutch DISCO study. To assess the effect of language on performance, we conducted a single analysis in which we contrasted the English data with the Dutch data. Outcomes & Results: Control participants performed better than participants with aphasia; English-speaking participants performed worse than Dutch participants, and narratives containing direct speech were easier to comprehend than narratives with indirect speech constructions. However, a subsequent analysis including only individuals with aphasia showed that the Dutch group differed from the English-speaking group: direct speech was only beneficial for the Dutch participants with aphasia. Conclusions: This study expanded on the findings of a previous study, in which a facilitating effect of direct over indirect speech constructions for audiovisual discourse comprehension was found. The differential effects of direct speech on comprehension in Dutch and English showed that rather than one or other explanation being "correct", both liveliness and grammatical characteristics play a role in discourse comprehension success. Grammatically less complex constructions (direct speech) are not necessarily always easier to comprehend than grammatically more complex constructions (indirect speech) for individuals with aphasia. In our study grammatically simple constructions introduced grammatical ambiguity and therefore possible interpretation difficulties for the English-speaking participants with aphasia. KW - discourse comprehension KW - direct speech KW - indirect speech KW - aphasia Y1 - 2015 U6 - https://doi.org/10.1080/02687038.2014.977217 SN - 0268-7038 SN - 1464-5041 VL - 29 IS - 6 SP - 685 EP - 704 PB - Routledge, Taylor & Francis Group CY - Abingdon ER - TY - JOUR A1 - Yue, Jinxing A1 - Bastiaanse, Roelien A1 - Alter, Kai T1 - Cortical plasticity induced by rapid Hebbian learning of novel tonal word-forms: Evidence from mismatch negativity JF - Brain & language : a journal of the neurobiology of language N2 - Although several experiments reported rapid cortical plasticity induced by passive exposure to novel segmental patterns, few studies have devoted attention to the neural dynamics during the rapid learning of novel tonal word-forms in tonal languages, such as Chinese. In the current study, native speakers of Mandarin Chinese were exposed to acoustically matched real and novel segment-tone patterns. By recording their Mismatch Negativity (MMN) responses (an ERP indicator of long-term memory traces for spoken words), we found enhanced MMNs to the novel word-forms over the left-hemispheric region in the late exposure phase relative to the early exposure phase. In contrast, no significant changes were identified in MMN responses to the real word during familiarisation. Our results suggest a rapid Hebbian learning mechanism in the human neocortex which develops long-term memory traces for a novel segment-tone pattern by establishing new associations between the segmental and tonal representations. (C) 2014 Elsevier Inc. All rights reserved. KW - Language KW - Rapid learning KW - Hebbian learning KW - Event-related potential KW - Novel word KW - Mismatch Negativity (MMN) KW - Oddball paradigm KW - Lexical tone KW - Mandarin Chinese Y1 - 2014 U6 - https://doi.org/10.1016/j.bandl.2014.09.007 SN - 0093-934X SN - 1090-2155 VL - 139 SP - 10 EP - 22 PB - Elsevier CY - San Diego ER - TY - JOUR A1 - Arslan, Seçkin A1 - Bastiaanse, Roelien A1 - Felser, Claudia T1 - Looking at the evidence in visual world: eye-movements reveal how bilingual and monolingual Turkish speakers process grammatical evidentiality JF - Frontiers in psychology N2 - This study presents pioneering data on how adult early bilinguals (heritage speakers) and late bilingual speakers of Turkish and German process grammatical evidentiality in a visual world setting in comparison to monolingual speakers of Turkish. Turkish marks evidentiality, the linguistic reference to information source, through inflectional affixes signaling either direct (-DI) or indirect (-mls) evidentiality. We conducted an eyetracking-during-listening experiment where participants were given access to visual 'evidence' supporting the use of either a direct or indirect evidential form. The behavioral results indicate that the monolingual Turkish speakers comprehended direct and indirect evidential scenarios equally well. In contrast, both late and early bilinguals were less accurate and slower to respond to direct than to indirect evidentials. The behavioral results were also reflected in the proportions of looks data. That is, both late and early bilinguals fixated less frequently on the target picture in the direct than in the indirect evidential condition while the monolinguals showed no difference between these conditions. Taken together, our results indicate reduced sensitivity to the semantic and pragmatic function of direct evidential forms in both late and early bilingual speakers, suggesting a simplification of the Turkish evidentiality system in Turkish heritage grammars. We discuss our findings with regard to theories of incomplete acquisition and first language attrition. KW - evidentiality KW - information source KW - inference KW - witnessing KW - visual world paradigm KW - eye-movements KW - Turkish-German bilingualism Y1 - 2015 U6 - https://doi.org/10.3389/fpsyg.2015.01387 SN - 1664-1078 VL - 6 PB - Frontiers Research Foundation CY - Lausanne ER - TY - JOUR A1 - Bos, Laura S. A1 - Bastiaanse, Roelien T1 - Time reference decoupled from tense in agrammatic and fluent aphasia JF - Aphasiology : an international, interdisciplinary journal N2 - Aims: The goal of this study is twofold. First, it aims to untangle tense problems from problems with past time reference through verb morphology in people with aphasia. Second, this study aims to compare the production of time reference inflection by people with agrammatic and fluent aphasia. Methods & Procedures: A sentence completion task was used to elicit reference to the non-past and past in Dutch. Reference to the past was tested through (1) a simple verb in past tense and (2) a verb complex with an auxiliary in present tense + participle (the present perfect). Reference to the non-past was tested through a simple verb in present tense. Fourteen agrammatic aphasic speakers, sixteen fluent aphasic speakers, and twenty non-brain-damaged speakers (NBDs) took part in this study. Data were analysed quantitatively and qualitatively. Outcomes & Results: NBDs scored at ceiling and significantly higher than the aphasic participants. Agrammatic speakers performed worse than fluent speakers, but the pattern of performance in both aphasic groups was similar. Reference to the past through past tense and [present tense auxiliary + participle] was more impaired than reference to the non-past. An error analysis revealed differences between the two groups. Conclusions: People with agrammatic and fluent aphasia experience problems with expressing reference to the past through verb inflection. This past time reference deficit is irrespective of the tense employed. The error patterns between the two groups reveal different underlying problems. KW - Fluent aphasia KW - Time reference KW - Agrammatic aphasia KW - Tense Y1 - 2014 U6 - https://doi.org/10.1080/02687038.2014.886322 SN - 0268-7038 SN - 1464-5041 VL - 28 IS - 5 SP - 533 EP - 553 PB - Routledge, Taylor & Francis Group CY - Abingdon ER - TY - JOUR A1 - Bos, Laura S. A1 - Dragoy, Olga V. A1 - Avrutin, S. A1 - Iskra, E. A1 - Bastiaanse, Roelien T1 - Understanding discourse-linked elements in aphasia: A threefold study in Russian JF - Neuropsychologia : an international journal in behavioural and cognitive neuroscience N2 - Background: Agrammatic speakers have problems with grammatical encoding and decoding. However, not all syntactic processes are equally problematic: present time reference, who questions, and reflexives can be processed by narrow syntax alone and are relatively spared compared to past time reference, which questions, and personal pronouns, respectively. The latter need additional access to discourse and information structures to link to their referent outside the clause (Avrutin, 2006). Linguistic processing that requires discourse-linking is difficult for agrammatic individuals: verb morphology with reference to the past is more difficult than with reference to the present (Bastiaanse et al., 2011). The same holds for which questions compared to who questions and for pronouns compared to reflexives (Avrutin, 2006). These results have been reported independently for different populations in different languages. The current study, for the first time, tested all conditions within the same population. Aims: We had two aims with the current study. First, we wanted to investigate whether discourse-linking is the common denominator of the deficits in time reference, wh questions, and object pronouns. Second, we aimed to compare the comprehension of discourse-linked elements in people with agrammatic and fluent aphasia. Methods and procedures: Three sentence-picture-matching tasks were administered to 10 agrammatic, 10 fluent aphasic, and 10 non-brain-damaged Russian speakers (NBDs): (1) the Test for Assessing Reference of Time (TART) for present imperfective (reference to present) and past perfective (reference to past), (2) the Wh Extraction Assessment Tool (WHEAT) for which and who subject questions, and (3) the Reflexive-Pronoun Test (RePro) for reflexive and pronominal reference. Outcomes and results: NBDs scored at ceiling and significantly higher than the aphasic participants. We found an overall effect of discourse-linking in the TART and WHEAT for the agrammatic speakers, and in all three tests for the fluent speakers. Scores on the RePro were at ceiling. Conclusions: The results are in line with the prediction that problems that individuals with agrammatic and fluent aphasia experience when comprehending sentences that contain verbs with past time reference, which question words and pronouns are caused by the fact that these elements involve discourse linking. The effect is not specific to agrammatism, although it may result from different underlying disorders in agrammatic and fluent aphasia. KW - Aphasia KW - Sentence comprehension KW - Discourse-linking KW - Tense KW - Time reference KW - wh Questions KW - Pronouns Y1 - 2014 U6 - https://doi.org/10.1016/j.neuropsychologia.2014.02.017 SN - 0028-3932 SN - 1873-3514 VL - 57 SP - 20 EP - 28 PB - Elsevier CY - Oxford ER - TY - GEN A1 - Arslan, Seçkin A1 - Bastiaanse, Roelien A1 - Felser, Claudia T1 - Looking at the evidence in visual world BT - eye-movements reveal how bilingual and monolingual Turkish speakers process grammatical evidentiality T2 - Postprints der Universität Potsdam : Humanwissenschaftliche Reihe N2 - This study presents pioneering data on how adult early bilinguals (heritage speakers) and late bilingual speakers of Turkish and German process grammatical evidentiality in a visual world setting in comparison to monolingual speakers of Turkish. Turkish marks evidentiality, the linguistic reference to information source, through inflectional affixes signaling either direct (-DI) or indirect (-mls) evidentiality. We conducted an eyetracking-during-listening experiment where participants were given access to visual 'evidence' supporting the use of either a direct or indirect evidential form. The behavioral results indicate that the monolingual Turkish speakers comprehended direct and indirect evidential scenarios equally well. In contrast, both late and early bilinguals were less accurate and slower to respond to direct than to indirect evidentials. The behavioral results were also reflected in the proportions of looks data. That is, both late and early bilinguals fixated less frequently on the target picture in the direct than in the indirect evidential condition while the monolinguals showed no difference between these conditions. Taken together, our results indicate reduced sensitivity to the semantic and pragmatic function of direct evidential forms in both late and early bilingual speakers, suggesting a simplification of the Turkish evidentiality system in Turkish heritage grammars. We discuss our findings with regard to theories of incomplete acquisition and first language attrition. T3 - Zweitveröffentlichungen der Universität Potsdam : Humanwissenschaftliche Reihe - 408 KW - evidentiality KW - information source KW - inference KW - witnessing KW - visual world paradigm KW - eye-movements KW - Turkish-German bilingualism Y1 - 2018 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-406307 IS - 408 ER - TY - JOUR A1 - Arslan, Seçkin A1 - Bamyaci, Elif A1 - Bastiaanse, Roelien T1 - A characterization of verb use in Turkish agrammatic narrative speech JF - Philosophische Rundschau N2 - This study investigates the characteristics of narrative-speech production and the use of verbs in Turkish agrammatic speakers (n = 10) compared to non-brain-damaged controls (n = 10). To elicit narrative-speech samples, personal interviews and storytelling tasks were conducted. Turkish has a large and regular verb inflection paradigm where verbs are inflected for evidentiality (i.e. direct versus indirect evidence available to the speaker). Particularly, we explored the general characteristics of the speech samples (e.g. utterance length) and the uses of lexical, finite and non-finite verbs and direct and indirect evidentials. The results show that speech rate is slow, verbs per utterance are lower than normal and the verb diversity is reduced in the agrammatic speakers. Verb inflection is relatively intact; however, a trade-off pattern between inflection for direct evidentials and verb diversity is found. The implications of the data are discussed in connection with narrative-speech production studies on other languages. KW - Agrammatism KW - discourse-linking KW - finiteness KW - evidentiality KW - narrative speech KW - Turkish KW - verbs Y1 - 2016 U6 - https://doi.org/10.3109/02699206.2016.1144224 SN - 0269-9206 SN - 1464-5076 VL - 30 SP - 449 EP - 469 PB - J. C. B. Mohr CY - Philadelphia ER - TY - JOUR A1 - Linnik, Anastasia A1 - Bastiaanse, Roelien A1 - Höhle, Barbara T1 - Discourse production in aphasia: a current review of theoretical and methodological challenges JF - Aphasiology : an international, interdisciplinary journal N2 - Background: Discourse abilities play an important role in the assessment, classification, and therapy outcome evaluation of people with aphasia. Discourse production in aphasia has been studied quite extensively in the last 15 years. Nevertheless, many questions still do not have definitive answers.Aims: The aim of this review is to present the current situation in the research on a number of crucial aspects of discourse production in aphasia, focusing on methodological progress and related challenges. This review continues the discussion of the core themes in the field, aiming to render it as up-to-date as possible.Main Contribution: The review focuses on a number of unexplored theoretical issues, specifically, the interface between micro- and macrolinguistic abilities, and the relationship between linguistic competence and communicative success in aphasia. The emphasis on theoretical challenges, along with the thorough discussion of methodological problems in the field, makes this review a starting point and a comprehensive information source for researchers planning to address language production in people with aphasia.Conclusion: Although the picture is not yet complete, recent advancements lead to a better understanding of the processes involved in aphasic discourse production. Different approaches provide insights into the complex multifaceted nature of discourse-level phenomena; however, methodological issues, including low comparability, substantially slow down the progress in the field. KW - Discourse production KW - aphasia Y1 - 2016 U6 - https://doi.org/10.1080/02687038.2015.1113489 SN - 0268-7038 SN - 1464-5041 VL - 30 SP - 765 EP - 800 PB - Copernicus CY - Abingdon ER - TY - JOUR A1 - Bastiaanse, Roelien A1 - Wieling, Martijn A1 - Wolthuis, Nienke T1 - The role of frequency in the retrieval of nouns and verbs in aphasia JF - Aphasiology : an international, interdisciplinary journal N2 - Background: Word retrieval in aphasia involves different levels of processinglemma retrieval, grammatical encoding, lexeme retrieval, and phonological encodingbefore articulation can be programmed and executed. Several grammatical, semantic, lexical, and phonological characteristics, such as word class, age of acquisition, imageability, and word frequency influence the degree of success in word retrieval. It is, however, not yet clear how these factors interact. The current study focuses on the retrieval of nouns and verbs in isolation and in sentence context and evaluates the impact of the mentioned factors on the performance of a group of 54 aphasic speakers.Aims: The main aim is to measure the effect of word frequency on the retrieval of nouns and verb by disentangling the influence of word class, age of acquisition, imageability, and lemma and lexeme frequencies on word retrieval in aphasia.Methods & Procedures: Four tests for retrieval of nouns, verbs in isolation, and infinitives and finite verbs were administered to 54 aphasic speakers. The influence of lemma and lexeme frequency, Age of Acquisition on the word retrieval abilities was analysed.Outcomes and Results: Word class, age of acquisition, and imageability play a significant role in the retrieval of nouns and verbs: nouns are easier than verbs; the earlier a word has been learned and the more concrete it is, the easier it is to retrieve. When performance is controlled for these factors, lemma frequency turns out to play a minor role: only in object naming does it affect word retrieval: the higher the lemma frequency of a noun, the easier it is to access. Such an effect does not exist for verbs, neither on an action-naming test, nor when verbs have to be retrieved in sentence context. Lexeme frequency was not found to be a better predictor than lemma frequency in predicting word retrieval in aphasia.Conclusions: Word retrieval in aphasia is influenced by grammatical, semantic, and lexical factors. Word frequency only plays a minor role: it affects the retrieval of nouns, but not of verbs. KW - Word frequency KW - age of acquisition KW - imageability KW - verbs KW - nouns KW - aphasia Y1 - 2016 U6 - https://doi.org/10.1080/02687038.2015.1100709 SN - 0268-7038 SN - 1464-5041 VL - 30 SP - 1221 EP - 1239 PB - Karger CY - Abingdon ER - TY - JOUR A1 - Arslan, Seckin A1 - De Kok, Dörte A1 - Bastiaanse, Roelien T1 - Processing grammatical evidentiality and time reference in Turkish heritage and monolingual speakers JF - Bilingualism : language and cognition. KW - evidentiality KW - time reference KW - heritage language speaker KW - Turkish-Dutch bilingualism Y1 - 2017 U6 - https://doi.org/10.1017/S136672891500084X SN - 1366-7289 SN - 1469-1841 VL - 20 SP - 457 EP - 472 PB - Cambridge Univ. Press CY - New York ER - TY - GEN A1 - Lartey, Nathaniel A1 - Tsiwah, Frank A1 - Amponsah, Clement A1 - Martinez-Ferreiro, Silvia A1 - Bastiaanse, Roelien T1 - Resumption in the production of focused constructions in Akan speakers with agrammatism T2 - Postprints der Universität Potsdam : Humanwissenschaftliche Reihe N2 - Background: The distribution of pronouns varies cross-linguistically. This distribution has led to conflicting results in studies that investigated pronoun resolution in agrammatic indviduals. In the investigation of pronominal resolution, the linguistic phenomenon of "resumption" is understudied in agrammatism. The construction of pronominal resolution in Akan presents the opportunity to thoroughly examine resumption. Aims: To start, the present study examines the production of (pronominal) resumption in Akan focus constructions (who-questions and focused declaratives). Second, we explore the effect of grammatical tone on the processing of pronominal (resumption) since Akan is a tonal language. Methods & Procedures: First, we tested the ability to distinguish linguistic and non-linguistic tone in Akan agrammatic speakers. Then, we administered an elicitation task to five Akan agrammatic individuals, controlling for the structural variations in the realization of resumption: focused who-questions and declaratives with (i) only a resumptive pronoun, (ii) only a clause determiner, (iii) a resumptive pronoun and a clause determiner co-occurring, and (iv) neither a resumptive pronoun nor a clause determiner. Outcomes & Results: Tone discrimination .both for pitch and for lexical tone was unimpaired. The production task demonstrated that the production of resumptive pronouns and clause determiners was intact. However, the production of declarative sentences in derived word order was impaired; wh-object questions were relatively well-preserved. Conclusions: We argue that the problems with sentence production are highly selective: linguistic tones and resumption are intact but word order is impaired in non-canonical declarative sentences. T3 - Zweitveröffentlichungen der Universität Potsdam : Humanwissenschaftliche Reihe - 726 KW - Agrammatism KW - focus constructions KW - (pronominal) resumption KW - clause determiner KW - Akan Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-525296 SN - 1866-8364 IS - 3 ER - TY - JOUR A1 - Clahsen, Harald A1 - Siegmüller, Julia A1 - Penke, Martina A1 - Schröder, Astrid A1 - Hofmann, Janine A1 - Holzgrefe-Lang, Julia A1 - Skerra, Antje A1 - Adani, Flavia A1 - Gagarina, Natalʹja Vladimirovna A1 - Schröter, Carolin A1 - Frieg, Hendrike A1 - Belke, Eva A1 - Schwab, Susanne A1 - Seifert, Susanne A1 - Watko, Petra A1 - Obendrauf, Tanja A1 - Trauntschnig, Mike A1 - Gasteiger-Klicpera, Barbara A1 - Adelt, Anne A1 - Hanne, Sandra A1 - Burchert, Frank A1 - Swietza, Romy A1 - Doppelbauer, Lea A1 - Dralle, Jenny A1 - Purat, Patricia A1 - Webersinke, Dorothea A1 - Schwytay, Jeannine A1 - Stadie, Nicole A1 - Hoppe, Carina A1 - Heide, Judith A1 - Marusch, Tina A1 - von der Malsburg, Titus Raban A1 - Bastiaanse, Roelien A1 - Schultheiss, Corinna A1 - Nahrstaedt, Holger A1 - Schauer, Thomas A1 - Seidl, Rainer Ottis A1 - Rath, Elisa ED - Fritzsche, Tom ED - Meyer, Corinna B. ED - Adelt, Anne ED - Roß, Jennifer T1 - Spektrum Patholinguistik = Schwerpunktthema: Labyrinth Grammatik: Therapie von syntaktischen Störungen bei Kindern und Erwachsenen N2 - Das Herbsttreffen Patholinguistik wird seit 2007 jährlich vom Verband für Patholinguistik e.V. (vpl) durchgeführt. Das 6. Herbsttreffen mit dem Schwerpunktthema "Labyrinth Grammatik: Therapie von syntaktischen Störungen bei Kindern und Erwachsenen" fand am 17.11.2012 in Potsdam statt. Im vorliegenden Tagungsband finden sich alle Beiträge der Veranstaltung: die vier Hauptvorträge zum Schwerpunkthema, die Vorträge aus Praxis und Forschung von vier Patholinguistinnen in der Reihe Spektrum Patholinguistik sowie die Abstracts der Posterpräsentation. N2 - The 'Herbsttreffen Patholinguistik' is an annual conference organized by the Association for Patholinguistics (Verband für Patholinguistik e.V./vpl) since 2007. The 6th Herbsttreffen with its theme "Labyrinth Grammar: Therapy of Syntactic Disorders in Children and Adults" took place on November 17th, 2012 in Potsdam. These proceedings contain all contributions of the meeting: the four keynote talks, the talks on speech/language therapy and research in the section "Spektrum Patholinguistik" by four patholinguists as well as the abstracts of the poster session. T3 - Spektrum Patholinguistik - 6 KW - Patholinguistik KW - syntaktische Störungen KW - Aphasie KW - Agrammatismus KW - Dysgrammatismus KW - patholinguistics KW - speech/language therapy KW - syntactic disorders KW - aphasia KW - agrammatism Y1 - 2013 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-67659 SN - 978-3-86956-270-4 SN - 1869-3822 SN - 1866-9433 IS - 6 PB - Universitätsverlag Potsdam CY - Potsdam ER - TY - JOUR A1 - Marusch, Tina A1 - von der Malsburg, Titus Raban A1 - Bastiaanse, Roelien A1 - Burchert, Frank ED - Fritzsche, Tom ED - Meyer, Corinna B. ED - Adelt, Anne ED - Roß, Jennifer T1 - Tempusmorphologie bei deutschen Agrammatikern BT - Die Sprachproduktion von regulären, irregulären und gemischten Verben JF - Spektrum Patholinguistik N2 - 1 Einleitung 2 Ziele der Studie und Vorhersagen 3 Methodologie 4 Ergebnisse 5 Ausblick 6 Literatur Y1 - 2013 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-68595 SN - 1866-9085 SN - 1866-9433 IS - 6 SP - 219 EP - 223 PB - Universitätsverlag Potsdam CY - Potsdam ER - TY - JOUR A1 - Bos, Laura S. A1 - Hanne, Sandra A1 - Wartenburger, Isabell A1 - Bastiaanse, Roelien T1 - Losing track of time? Processing of time reference inflection in agrammatic and healthy speakers of German JF - Neuropsychologia : an international journal in behavioural and cognitive neuroscience N2 - Background: Individuals with agrammatic aphasia (IWAs) have problems with grammatical decoding of tense inflection. However, these difficulties depend on the time frame that the tense refers to. Verb morphology with reference to the past is more difficult than with reference to the non-past, because a link needs to be made to the past event in discourse, as captured in the PAst Discourse Linking Hypothesis (PADILIH; Bastiaanse, R., Bamyaci, E., Hsu, C., Lee, J., Yarbay Duman, T., Thompson, C. K., 2011. Time reference in agrammatic aphasia: A cross-linguistic study. J. Neurolinguist. 24, 652-673). With respect to reference to the (non-discourse-linked) future, data so far indicate that IWAs experience less difficulties as compared to past time reference (Bastiaanse, R., Bamyaci, E., Hsu, C., Lee, J., Yarbay Duman, T., Thompson, C. K., 2011. Time reference in agrammatic aphasia: A cross-linguistic study. J. Neurolinguist. 24, 652-673), supporting the assumptions of the PADILIH. Previous online studies of time reference in aphasia used methods such as reaction times analysis (e.g., Faroqi-Shah, Y., Dickey, M. W., 2009. On-line processing of tense and temporality in agrammatic aphasia. Brain Lang. 108, 97-111). So far, no such study used eye-tracking, even though this technique can bring additional insights (Burchert, F., Hanne, S., Vasishth, S., 2013. Sentence comprehension disorders in aphasia: the concept of chance performance revisited. Aphasiology 27, 112-125, doi:10.1080/02687038.2012.730603). Aims: This study investigated (1) whether processing of future and past time reference inflection differs between non-brain-damaged individuals (NBDs) and IWAs, and (2) underlying mechanisms of time reference comprehension failure by IWAs. Results and discussion: NBDs scored at ceiling and significantly higher than the IWAs. IWAs had below-ceiling performance on the future condition, and both participant groups were faster to respond to the past than to the future condition. These differences are attributed to a pre-existing preference to look at a past picture, which has to be overcome. Eye movement patterns suggest that both groups interpret future time reference similarly, while IWAs show a delay relative to NBDs in interpreting past time reference inflection. The eye tracking results support the PADILIH, because processing reference to the past in discourse syntax requires additional resources and thus, is problematic and delayed for people with aphasia. (C) 2014 Elsevier Ltd. All rights reserved. KW - Visual-world paradigm KW - Spoken language comprehension KW - Time reference KW - Morphology KW - Agrammatism KW - Eye-tracking KW - Aphasia KW - Discourse linking Y1 - 2014 U6 - https://doi.org/10.1016/j.neuropsychologia.2014.10.026 SN - 0028-3932 SN - 1873-3514 VL - 65 SP - 180 EP - 190 PB - Elsevier CY - Oxford ER -