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Related Experiment Videos

Localization of cerebral activity during simple singing.

D W Perry1, R J Zatorre, M Petrides

  • 1Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Quebec, Canada.

Neuroreport
|December 22, 1999
PubMed
Summary

Singing activates brain regions for motor control and auditory processing. Cerebral blood flow (CBF) increases were observed in areas like the supplementary motor area and auditory cortex during vocalization.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Auditory Neuroscience

Background:

  • Singing engages complex neural networks involving motor control and auditory processing.
  • Previous studies have identified brain regions active during speech production.

Purpose of the Study:

  • To investigate the neural correlates of rudimentary singing by measuring cerebral blood flow (CBF).
  • To compare brain activation patterns during singing versus passive listening.

Main Methods:

  • Positron Emission Tomography (PET) was used to measure CBF.
  • Participants performed rudimentary singing (single pitch and vowel) and engaged in passive listening to complex tones.

Main Results:

  • CBF increased in motor control areas including the supplementary motor area, anterior cingulate cortex, precentral gyri, anterior insula, and cerebellum.

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  • Auditory cortex activation was observed in the right Heschl's gyrus and posterior superior temporal plane.
  • Asymmetric activation in auditory areas may relate to self-monitoring of vocal pitch.

    • Conclusions:

    • Rudimentary singing recruits distinct motor and auditory cortical networks.
    • The findings highlight the brain's capacity for vocal production and auditory feedback processing during singing.