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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Roy D. Patterson (CNBH, Univ. Cambridge) Stefan Uppenkamp (CNBH, Univ. Cambridge) Dennis Norris (MRC CBU, Cambridge) William Marslen-Wilson (MRC CBU, Cambridge) Ingrid Johnsrude(MRC CBU, Cambridge) Emma Williams(WBIC, Cambridge) Phonological processing in the auditory system: A new class of stimuli and advances in fMRI techniques ICSLP Beijing 2000:
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. cochlea brain stem thalamus cortex Anatomy of the Auditory Pathway Medial Geniculate Body Inferior Colliculus Cochlear Nucleus
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Five glottal cycles of the /ae/ in past glottal pulse formant ringing 1.0 0
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Auditory image of the /ae/ in ‘ past ’ 1000 Hz 100 Hz 6000 Hz Auditory image of formant ringing Auditory image of glottal pulses
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Three cycles of a damped sinusoid (12-ms period) pulse ringing
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Auditory image of a single damped sinusoid 1000 Hz 100 Hz 6000 Hz pulse ringing
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. regular irregular onset timing irregular regular formant frequencies
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Data from paired comparison experiment
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Auditory cortex
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. receptive phonology primary auditory cortex
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. a dc b Imaging the auditory pathway from cochlea to cortex CN IC LL?/MSO? CN IC MGB LL? MSO? CN
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. L R Contrast of Lively vs Fixed Pitch
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Waveform of the word ‘past’ /p/ /ae/ /s/ /t/ glottal pulses
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Centre for the Neural Basis of Hearing, Physiology Dept., Cambridge Univ. Auditory Images of Streams of clicks Regular ICIIrregular ICI
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