Document Detail

Evaluating the neurobiology of sexual reward.
MedLine Citation:
PMID:  19106449     Owner:  NLM     Status:  MEDLINE    
There is much evidence that naturally occurring behaviors (e.g., the ingestion of food and water) and social behaviors (e.g., play, maternal behavior) can induce a reward state. This review includes definitions to distinguish between "reward" and "reinforcement," and a description of methods to assess reward and demonstrate that social interactions can indeed produce a positive affective (PA) state. Operant responses, partner preference, and sexual incentive motivation are all effective methods for evaluating approach behaviors under different conditions. The method most frequently used to evaluate a positive affective or reward state is conditioned place preference (CPP), which entails modification of an animal's initial preference after alternating exposure to a control stimulus in one chamber and a rewarding condition in the other. At the end of the training the animal shows a clear preference for the compartment associated with the rewarding stimulus. CPP demonstrates that it is possible to use different treatments and naturally occurring behaviors (e.g., water or food consumption, exercise) to induce a reward state. Sexual interactions and other social behaviors also produce a clear change of preference, indicating the induction of a reward or PA state. The reward state in males and females is mediated by opioids, and the medial preoptic area of the anterior hypothalamus is a crucial site for sexual reward.
Raúl G Paredes
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  ILAR journal / National Research Council, Institute of Laboratory Animal Resources     Volume:  50     ISSN:  1930-6180     ISO Abbreviation:  ILAR J     Publication Date:  2009  
Date Detail:
Created Date:  2008-12-24     Completed Date:  2009-02-06     Revised Date:  2014-03-25    
Medline Journal Info:
Nlm Unique ID:  9516416     Medline TA:  ILAR J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  15-27     Citation Subset:  IM    
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MeSH Terms
Brain Mapping
Hypothalamus / physiology*
Receptors, Opioid / physiology
Sex Factors
Sexual Behavior, Animal*
Reg. No./Substance:
0/Receptors, Opioid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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