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Electrical responses of the auditory area of the cerebellar cortex to acoustic stimulation

Summary

Single unit activity from the VI and VII lobuli of the cerebellar vermis cortex was studied following acoustical stimulation with sound signals of different parameters. Cerebellar neurons, as compared to those from the auditory system, showed low selectivity to sound frequency, intensity and duration. However, about 2/3 of the neurons were selectively sensitive to interaural time and intensity differences; about 1/3 of neurons showed a specific response to signals simulating sound motion in a definite direction. Thus, cerebellar neurons seem to be mainly responsive to those sound parameters which are essential for sound localization.

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Altman, J.A., Bechterev, N.N., Radionova, E.A. et al. Electrical responses of the auditory area of the cerebellar cortex to acoustic stimulation. Exp Brain Res 26, 285–298 (1976). https://doi.org/10.1007/BF00234933

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Key words

  • Cerebellum
  • Auditory neurons
  • Sound localization