Trigeminal deafferentation and hunger in the pigeon (Columbia livia).

Journal of Comparative and Physiological Psychology
H P Zeigler

Abstract

The location and distribution of the pigeon's trigeminal nerve permit deafferentation of the oral region without affecting motor functions. Although trigeminal deafferentation does not affect drinking, it reduces the efficiency of the consummatory response of eating and disrupts motivational processes underlying hunger and weight regulation. Although the two types of deficit may be experimentally dissociated, trigeminal deafferentation invariably affects both sensorimotor and motivational mechanisms. The deficits in food intake and weight regulation seen after trigeminal deafferentation in the pigeon resemble some components of the "lateral hypothalamic syndrome" in the rat. The results are related to recent studies of the contribution of peripheral and central oropharyngeal factors to the neural control of food intake in both rat and pigeon.

Citations

Jun 1, 1979·Physiology & Behavior·R D Moon, H P Zeigler
Jan 1, 1985·Neuroscience and Biobehavioral Reviews·D M Denbow
Feb 1, 1984·Brain Research Bulletin·A G Phillips
Jun 1, 1981·Behavioural Processes·M J Gentle
Oct 8, 1999·Behavioural Brain Research·R Bermejo, H P Zeigler
Jul 1, 1985·The Proceedings of the Nutrition Society·M J Gentle
Mar 1, 1979·Journal of the Experimental Analysis of Behavior·G A LucasE A Wasserman
Apr 22, 1977·Science·D van der Kooy, A G Phillips

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