Linguistic categories and speech perception

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Brain activation for category boundaries • Many studies: Superior Temporal Gyrus (STG) is active when phonetic decisions are made (+ many other areas) • STG activation does not differ when the decisions are hard (other areas do e.g. frontal regions) Binder et al. (2004) Nat.Neurosci. 7, 295-301 Blumstein et al. (2005) J. Cog. Neuroscience 17, 1353-1366
Brain activation for category boundaries: Ganong effect • STG is sensitive to change in category boundary due to lexical status: gift-kift vs. giss-kiss • Conclusion: lexical knowledge influences basic phonetic categorization processes Lateral view of left hemisphere: differential activation for the same physical stimulus dependent on whether it is in a word or a non-word Myers & Blumstein (2007) Cerebral Cortex
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 and 22: Robust features (e.g. Zue, 1985)
Page 23 and 24: Islands of auditory reliability •
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: Neurological and neuropsychological
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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