Linguistic categories and speech perception

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Robust features • usually clearly visible in spectrograms • independent of one another (e.g. you can know it’s a “strong fricative” without knowing its exact place of articulation), BUT only work for a small set of features that have simple acoustic properties. They don’t tell us place or voicing of stops, for example. • originally proposed as potentially powerful when combined with higher-order knowledge, especially in poor listening conditions: word recognition from the interaction of gross acoustic analysis and top-down prediction based on knowledge of syllabic constituency, phonotactic rules, and word-sequencing probabilities. • current thinking might reformulate that ‘knowledge’ in terms of statistical distributions, built up from repeated experience of the way the information occurs in the speech signal, and relating to the identification of phones, syllables or words.
Islands of auditory reliability • Some sounds are distinguished, and others are grouped together, because of the way the auditory system responds to them e.g. dimensions of vowel quality; vocal tract normalisation (between speakers).
Page 1 and 2: Linguistic categories and speech pe
Page 3 and 4: 3 ways discrete linguistic-phonetic
Page 5 and 6: Structure of a category poor ok goo
Page 7 and 8: Reminder: Ladefoged and Broadbent (
Page 9 and 10: 0.2683 0 -0.2286 0 0.2 0.4 0.6 0.8
Page 11 and 12: • “Ganong effect” (word~nonwo
Page 13 and 14: CP: category goodness Eye-tracking
Page 15 and 16: Does speech convey invariant inform
Page 17 and 18: Classical assumptions Most of these
Page 19 and 20: Do linguistic units have invariant
Page 21: Robust features (e.g. Zue, 1985)
Page 25 and 26: Islands of acoustic/auditory reliab
Page 27 and 28: Acoustic/Auditory invariance theory
Page 29 and 30: Summary: Relationships between prop
Page 31 and 32: Cognitive construction of categorie
Page 33 and 34: Development of prototypical represe
Page 35 and 36: Neurological and neuropsychological
Page 37 and 38: Brain activation for category bound
Page 39 and 40: Brain activation for native vs. non
Page 41 and 42: If you adopt this view, then lingui

Linguistic categories and speech perception

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