Fuzzy logic model of perception
The Fuzzy Logic perception model was put forward by Massaro. It is based on the claim that categorical perception does not imply that people have a special module for processing speech. It claims that categorical perception can be understood as a problem of classifying the features that are present in the accoustic pattern.
Massaro claimed that speech is recognised in three stages:
- evalution - speeck is analysed in terms of auditory and visual features (see mcgurk effect)
- integration - the feature information is integrated
- decision - overall evidence is used to identify the speech sound
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