Discussion Summary

  • J. C. Houk
Part of the Advances in Behavioral Biology book series (ABBI, volume 7)


In summarizing the discussion from the afternoon session on the control of posture, I shall include only those points which I feel may be of most general interest to the people participating in the conference. The first discussion concerned Talbott’s paper. Stephens asked Talbott to indicate what he thought the dog was trying to control when standing on the platform. Talbott responded by pointing out that the coefficients describing the body and head in space had very small variances whereas those describing other variables such as the angle of the knee had large variances. He therefore presumed that the position of the body and head in space were being controlled. Melvill Jones pointed out that the unpredictable modes of behaviour could not be studied with the sinusoidal inputs they had used; he also asked whether or not there was some frequency above which the dog broke down on the platform. Talbott indicated that above 4 Hz the dog would no longer perform. Talbott also discussed variation in his results, stressing that during one day’s performance the variance in a given set of coefficients was extremely small. The chairman then asked whether or not the forces expected if the dog were a rigid body had been calculated.


Sinusoidal Input Vestibular Neurone Afternoon Session Dantrolene Sodium Galvanic Stimulation 
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Copyright information

© Plenum Press, New York 1973

Authors and Affiliations

  • J. C. Houk
    • 1
  1. 1.Department of PhysiologyJohns Hopkins Medical SchoolMarylandUSA

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