Reports

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

Science  14 Dec 1973:
Vol. 182, Issue 4117, pp. 1155-1158
DOI: 10.1126/science.182.4117.1155

Abstract

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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