TY  - JOUR
A1  - Liu, Liquan
A1  - Götz, Antonia
A1  - Lorette, Pernelle
A1  - Tyler, Michael D.
T1  - How tone, intonation and emotion shape the development of infants' fundamental frequency perception
T2  - Frontiers in psychology
N2  - Fundamental frequency (integral(0)), perceived as pitch, is the first and arguably most salient auditory component humans are exposed to since the beginning of life. 
It carries multiple linguistic (e.g., word meaning) and paralinguistic (e.g., speakers' emotion) functions in speech and communication. 
The mappings between these functions and integral(0) features vary within a language and differ cross-linguistically. For instance, a rising pitch can be perceived as a question in English but a lexical tone in Mandarin. Such variations mean that infants must learn the specific mappings based on their respective linguistic and social environments. 
To date, canonical theoretical frameworks and most empirical studies do not view or consider the multi-functionality of integral(0), but typically focus on individual functions. More importantly, despite the eventual mastery of integral(0) in communication, it is unclear how infants learn to decompose and recognize these overlapping functions carried by integral(0). In this paper, we review the symbioses and synergies of the lexical, intonational, and emotional functions that can be carried by integral(0) and are being acquired throughout infancy. 
On the basis of our review, we put forward the Learnability Hypothesis that infants decompose and acquire multiple integral(0) functions through native/environmental experiences. Under this hypothesis, we propose representative cases such as the synergy scenario, where infants use visual cues to disambiguate and decompose the different integral(0) functions. Further, viable ways to test the scenarios derived from this hypothesis are suggested across auditory and visual modalities. 
Discovering how infants learn to master the diverse functions carried by integral(0) can increase our understanding of linguistic systems, auditory processing and communication functions.
KW  - lexical tone
KW  - intonation, Prosody
KW  - phonological theory
KW  - sensory processing
KW  - cognitive processing
KW  - cross-linguistic transfer
KW  - emotional tone
Y1  - 2022
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/63705
SN  - 1664-1078
VL  - 13
PB  - Frontiers Research Foundation
CY  - Lausanne
ER  -