Evidence of dynamic fusimotor excitation of secondardy muscle spindle afferents in soleus muscle of cat.
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Biomedical subjects
Publications and source records attributed to R G Durkovic.
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Paired light and foot shock in 12 pigeons rapidly developed acceleratory heart and respiratory conditioned responses. Sensitization and stimulus control birds did not condition. When a different colored stimulus light that was not reinforced was mixed in a random series with the reinforced light, rapid differentiation of both heart and respiratory responses occurred. In most cases neither heart nor respiratory conditioned responses could be extinguished by 100 non-reinforced presentations of the conditioned stimulus.