Disrupted patterns of consummatory behavior in rats with fornix transections |
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| Authors: | B Osborne A B Dodek |
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| Affiliation: | 1. Departamento de Engenharia de Produção, Universidade Federal Fluminense, Rua Passo da Pátria 156, São Domingos, Niterói–RJ 24210-240, Brazil;2. Departamento de Sistemas de Computação, Universidade Federal da Paraíba, Rua dos Escoteiros, Mangabeira, João Pessoa– PB 58058-600, Brazil;1. Palynova Ltd, Littleport, United Kingdom;2. Earth Sciences Department, Royal Holloway, University of London, Egham, United Kingdom;1. School of Studies in Chemistry, Pandit Ravishankar Shukla University, Raipur, Chhattisgarh 492010, India;2. Indian Institute of Tropical Meteorology, Pune, Maharashtra 411008, India;3. Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO 63130, USA;4. Division of Atmospheric Sciences, Desert Research Institute, Reno, NV 89512, USA;5. Institute of Earth and Environment, Chinese Academy of Science, Xian, China;6. Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia;7. Department of Engineering Chemistry, CSIT, Durg, CG, India |
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| Abstract: | The feeding and drinking behavior was examined in male rats with fornix transections and sham-operated control rats. Total food and water consumption was recorded but supplemented by a pattern analysis of feeding and drinking behavior. The behavior of the rats was continuously monitored during four hour morning and afternoon sessions under ad lib access and during a two hour session following adaptation to a restricted access feeding schedule. Rats with fornix transections were more active and exhibited increased frequencies of rearing, eating and drinking. The increased meal frequency in rats with fornix transections was accompanied by decreased meal durations and a reduction in the length of intermeal intervals. Total food and water consumption was unaffected by fornix transection as were the duration of sleep bouts and the frequencies of grooming, sleeping and carrying shavings. Fornix transections also reduced food carrying and food hoarding but only under conditions of restricted food access. The results suggest that fornix transection does not alter major homeostatic regulatory mechanisms nor does it alter the components of feeding and drinking behavior. Fornix transection alters, instead, the organization of microregulatory feeding and drinking patterns. |
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