The Language Neuroscience Podcast
A conversation with Eddie Chang
Feb 23, 2021
Neurosurgeon and neuroscientist Eddie Chang explores speech brain mechanisms with electrocorticography, discussing cortical plasticity and auditory response. The conversation delves into speech perception research, eCog methodology, spatial resolution in epilepsy recordings, cortical representation of speech sounds, neural phoneme representation, and pitch processing differences in English and Mandarin speakers.
53:52
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Quick takeaways
- Neural activity in the auditory cortex correlates with speech sounds, revealing categorical representations for phonetic features.
- Distinct neural responses to pitch are found across different linguistic contexts, indicating language-specific effects in Mandarin speakers.
Deep dives
Exploring Brain Mechanisms of Speech Perception and Production
Neuroscientist Eddie Chang discusses his studies exploring the brain mechanisms of speech perception and production using electrocorticography. The research focuses on how neural activity in the auditory cortex correlates with speech sounds, revealing categorical representations for phonetic features. The studies involve experiments across English and Mandarin speakers, highlighting language-specific sensitivities in pitch processing.
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