TY - JOUR A1 - Wittenberg, Eva A1 - Paczynski, Martin A1 - Wiese, Heike A1 - Jackendoff, Ray A1 - Kuperberg, Gina T1 - The difference between "giving a rose" and "giving a kiss": Sustained neural activity to the light verb construction JF - Journal of memory and language N2 - We used event-related potentials (ERPs) to investigate the neurocognitive mechanisms associated with processing light verb constructions such as "give a kiss". These constructions consist of a semantically underspecified light verb ("give") and an event nominal that contributes most of the meaning and also activates an argument structure of its own ("kiss"). This creates a mismatch between the syntactic constituents and the semantic roles of a sentence. Native speakers read German verb-final sentences that contained light verb constructions (e.g., "Julius gave Anne a kiss"), non-light constructions (e.g., "Julius gave Anne a rose"), and semantically anomalous constructions (e.g., 'Julius gave Anne a conversation"). ERPs were measured at the critical verb, which appeared after all its arguments. Compared to non-light constructions, the light verb constructions evoked a widely distributed, frontally focused, sustained negative-going effect between 500 and 900 ms after verb onset. We interpret this effect as reflecting working memory costs associated with complex semantic processes that establish a shared argument structure in the light verb constructions. KW - Event-related potential KW - Sentence processing KW - Light verb constructions KW - Argument structure KW - Syntax-semantics interface KW - Sustained negativity Y1 - 2014 U6 - https://doi.org/10.1016/j.jml.2014.02.002 SN - 0749-596X SN - 1096-0821 VL - 73 SP - 31 EP - 42 PB - Elsevier CY - San Diego ER - TY - JOUR A1 - Adamo, Nicoletta A1 - Baumeister, Sarah A1 - Hohmann, Sarah A1 - Wolf, Isabella A1 - Holz, Nathalie A1 - Boecker-Schlier, Regina A1 - Laucht, Manfred A1 - Banaschewski, Tobias A1 - Brandeis, Daniel T1 - Frequency-specific coupling between trial-to-trial fluctuations of neural responses and response-time variability JF - Journal of neural transmission N2 - We assessed intra-individual variability of response times (RT) and single-trial P3 amplitudes following targets in healthy adults during a Flanker/NO-GO task. RT variability and variability of the neural responses coupled at the faster frequencies examined (0.07-0.17 Hz) at Pz, the target-P3 maxima, despite non-significant associations for overall variability (standard deviation, SD). Frequency-specific patterns of variability in the single-trial P3 may help to understand the neurophysiology of RT variability and its explanatory models of attention allocation deficits beyond intra-individual variability summary indices such as SD. KW - Intra-individual response-time variability KW - Event-related potential KW - Cognitive control KW - Attention deficit Y1 - 2015 U6 - https://doi.org/10.1007/s00702-015-1382-8 SN - 0300-9564 SN - 1435-1463 VL - 122 IS - 8 SP - 1197 EP - 1202 PB - Springer CY - Wien 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 - Wirkner, Janine A1 - Ventura-Bort, Carlos A1 - Schwabe, Lars A1 - Hamm, Alfons O. A1 - Weymar, Mathias T1 - Chronic stress and emotion: Differential effects on attentional processing and recognition memory JF - Psychoneuroendocrinology N2 - Previous research indicates that acute stress around the time of learning facilitates attention and memory for emotionally salient information. Despite accumulating evidence for these acute stress effects, less is known about the role of chronic stress. In the present study, we therefore tested emotional and neutral scene processing and later recognition memory in female participants using hair cortisol concentrations as a biological marker for chronic stress. Event-related potentials recorded during picture viewing indicated enhanced late positive potentials (LPPs) for emotional, relative to neutral contents. These brain potentials varied as a function of long-term hair cortisol levels: hair-cortisol levels were positively related to overall LPP amplitudes. Results from recognition memory testing one week after encoding revealed better memory for emotional relative to neutral scenes. Hair-cortisol levels, however, were related to poorer memory accuracy. Taken together, our results indicate that chronic stress enhanced attentional processing during encoding of new stimuli and impaired later recognition memory. Results are discussed with regard to putatively opposite effects of chronic stress on certain brain regions (e.g., amygdala and hippocampus). KW - Chronic stress KW - Emotion KW - Event-related potential KW - Late positive potential KW - Memory KW - Hair cortisol Y1 - 2019 U6 - https://doi.org/10.1016/j.psyneuen.2019.05.008 SN - 0306-4530 VL - 107 SP - 93 EP - 97 PB - Elsevier CY - Oxford ER -