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Thesis

Lexically-guided perceptual learning in speech processing

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Eisner,  Frank
Language Comprehension Group, MPI for Psycholinguistics, Max Planck Society;
Phonological Learning for Speech Perception, MPI for Psycholinguistics, Max Planck Society;

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Citation

Eisner, F. (2006). Lexically-guided perceptual learning in speech processing. PhD Thesis, Radboud University Nijmegen, Nijmegen. doi:10.17617/2.57407.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-163E-5
Abstract
During listening to spoken language, the perceptual system needs to adapt frequently to changes in talkers, and thus to considerable interindividual variability in the articulation of a given speech sound. This thesis investigated a learning process which allows listeners to use stored lexical representations to modify the interpretation of a speech sound when a talker's articulation of that sound is consistently unclear or ambiguous. The questions that were addressed in this research concerned the robustness of such perceptual learning, a potential role for sleep, and whether learning is specific to the speech of one talker or, alternatively, generalises to other talkers. A further study aimed to identify the underlying functional neuroanatomy by using magnetic resonance imaging methods. The picture that emerged for lexically-guided perceptual learning is that learning occurs very rapidly, is highly specific, and remains remarkably robust both over time and under exposure to speech from other talkers.