The time course of perceptual learning
Hong Kong : Department of Chinese, Translation and Linguistics, City University of Hong Kong
InLee, W.S.; Zee, E. (ed.), Proceedings of the 17th International Congress of Phonetic Sciences 2011 [ICPhS XVII], pp. 1618-1621
Article in monograph or in proceedings
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Lee, W.S.; Zee, E. (ed.), Proceedings of the 17th International Congress of Phonetic Sciences 2011 [ICPhS XVII]
SubjectDI-BCB_DCC_Theme 1: Language and Communication; Learning and Plasticity; Psycholinguistics
Two groups of participants were trained to perceive an ambiguous sound [s/f] as either /s/ or /f/ based on lexical bias: One group heard the ambiguous fricative in /s/-final words, the other in /f/-final words. This kind of exposure leads to a recalibration of the /s/-/f/ contrast [e.g., 4]. In order to investigate when and how this recalibration emerges, test trials were interspersed among training and filler trials. The learning effect needed at least 10 clear training items to arise. Its emergence seemed to occur in a rather step-wise fashion. Learning did not improve much after it first appeared. It is likely, however, that the early test trials attracted participants' attention and therefore may have interfered with the learning process.
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