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Science 14 December 1973:
Vol. 182. no. 4117, pp. 1155 - 1158
DOI: 10.1126/science.182.4117.1155
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Articles

Trigeminal Deafferentation and Feeding in the Pigeon: Sensorimotor and Motivational Effects

H. Philip Zeigler 1

1 Department of Psychology, Hunter College, City University of New York, New York 10021, and Department of Animal Behavior, American Museum of Natural History, New York 10024

The role of oral sensations in the control of hunger and thirst in the pigeon was studied in birds in which the trigeminal sensory nerves had been sectioned bilaterally. Trigeminal deafferentation, although it does not impair drinking, disrupts both the neurosensory and the motivational control of feeding behavior. These two types of deficit may be experimentally dissociated.


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