Acquisition of texture-cued fasting-anticipatory meal-size change in rats with adequate energy intake

Appetite
J A WhiteDavid A Booth

Abstract

To determine if an increase in intake at a meal before a long fast can be conditioned to food texture cues, male Sprague-Dawley rats were given a high- or low-fat diet in one texture (powder or pellet) for 1 h prior to a 12.5-h fast and in the other texture before a 3-h fast. Each group (N = 9) went through a pseudorandom sequence of four duplicates of each texture-fast pairing over 4 experimental days in each of three training trials, followed by one 4-day trial under extinction, i.e. without the difference in fast lengths between textures. Neither the high-fat group nor the low-fat group as a whole gave a clear indication of a learnt texture-cued increase in meal size before the longer fast relative to the shorter fast. However, the rats trained on the high-fat diet that had the highest intakes on the first 4 days of training showed a relative increase in the amount eaten of the texture predicting the longer fast during the third training trial, and this effect also approached statistical significance in the extinction test. These results provide some support for the conclusion that anticipatory hunger/satiety can be differentially conditioned to dietary texture cues, but only if sufficient food is eaten before a short fast t...Continue Reading

References

Dec 1, 1972·Journal of Comparative and Physiological Psychology·D A Booth
Jul 1, 1973·Physiology & Behavior·D A Booth, J D Davis
Dec 1, 1973·Physiology & Behavior·P C Simson, D A Booth
Nov 1, 1970·Physiology & Behavior·D A BoothA T Campbell
Mar 12, 1999·Neuroscience and Biobehavioral Reviews·L Thibault, D A Booth
Jul 18, 2000·Appetite·S J LongD J Millward
Feb 24, 2001·Nursing Standard·J Booth

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Citations

Dec 3, 2008·The Quarterly Journal of Experimental Psychology : QJEP·Soghra JarvandiDavid A Booth
Jul 31, 2012·Appetite·David A BoothLouise Thibault
May 19, 2012·Appetite·Soghra JarvandiLouise Thibault
Jun 2, 2007·Physiology & Behavior·Soghra JarvandiLouise Thibault
May 10, 2006·Physiology & Behavior·Louise Thibault, David A Booth
Apr 3, 2012·Physiology & Behavior·Martin R Yeomans

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