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Related Experiment Videos

[The Map of Auditory Function].

So Fujimoto1, Yutaka Komura

  • 1Kokoro Research Center, Kyoto University.

Brain and Nerve = Shinkei Kenkyu No Shinpo
|April 21, 2017
PubMed
Summary
This summary is machine-generated.

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Brodmann areas 41 and 42, the human auditory cortices, are crucial for frequency analysis. Recent comparisons with monkey auditory cortex data have unified tonotopy maps, revealing plasticity and roles in speech, music, and auditory hallucinations.

Area of Science:

  • Neuroscience
  • Auditory Neuroscience
  • Human Brain Anatomy

Background:

  • Brodmann areas 41 and 42 in the superior temporal gyrus are recognized as primary auditory cortices.
  • Audition fundamentally relies on frequency analysis, a complex process within the auditory cortex.
  • Previous tonotopy maps of the human auditory cortex lacked unification.

Purpose of the Study:

  • To unify tonotopy maps of the human auditory cortex.
  • To elucidate the functional roles of auditory cortices in various cognitive processes.
  • To understand the plasticity and inter-regional interactions of the auditory cortex.

Main Methods:

  • Comparative analysis of human auditory cortex tonotopy maps with monkey auditory cortex input/output data.
  • Review of existing literature on auditory cortex plasticity and functional involvement.

Related Experiment Videos

  • Examination of neural interactions with thalamus, frontal cortex, and limbic systems.

    • Main Results:

    • Recent comparative studies have successfully unified tonotopy maps of the human auditory cortex.
    • The auditory cortex exhibits significant plasticity, demonstrated by changes after conditioned learning and cochlear implantation.
    • Auditory cortices are implicated in speech perception, music appreciation, and auditory hallucinations in schizophrenia.

    Conclusions:

    • Unified tonotopy maps enhance our understanding of the human auditory cortex organization.
    • Auditory cortex plasticity is a key feature, adapting to learning and interventions.
    • Complex auditory functions, including speech and music processing, involve intricate networks extending beyond primary auditory areas.