English Phonetics: A Learning Approach Based on EEG Feedback Analysis

This work proposes a procedure to measure the human capability to discriminate couples of English vocalic phonemes embedded into words. Using the analysis of the EEG response to auditory contrasts in an oddball paradigm experiment, the Medium Mismatch Negativity potential (MMN) is evaluated. When the discrimination is achieved, MMN has a negative amplitude while positive or zero MMN amplitudes correspond to the confusion of the two vocalic phonemes heard by the subject performing the experiment. The procedure presented has many potential usages for phonetic learning tools given its capability to automatically analyze discrimination of sounds. This permits its usage in interactive and adaptive applications able to keep track of the improvements made by the users.

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