Document Detail

Historical contributions of research on reptiles to behavioral neuroendocrinology.
MedLine Citation:
PMID:  15919086     Owner:  NLM     Status:  MEDLINE    
Some of the first experiments in behavioral endocrinology in the 1930s were conducted with lizards, but events led to a hiatus that lasted for 30 years. In the 1960s, research resumed using techniques current at the time, but it was not until the mid-1970s that behavioral neuroendocrinology "discovered" reptiles as animal model systems. This historical review summarizes this period of work, illustrating an enormous increase in research that have led to conclusions such as (1) the phenomenon of dissociated reproductive strategies and hormone-independent behaviors, which have aided our understanding of how the "memory" of sex steroid actions is maintained. (2) Progesterone plays an important role in the organization and activation of sexual behavior in males. Progesterone also synergizes with T to control male courtship much as does estrogen and progesterone to control sexual receptivity in females. Thus, progesterone is as much a "male" hormone as it is a "female" hormone. (3) Use of cytochrome oxidase histochemistry to study the role of experience over the long term in modifying brain activity. (4) Hormone manipulations as a powerful tool to test hypotheses about the evolution of behavior in free-living animals.
David Crews; Michael C Moore
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Publication Detail:
Type:  Historical Article; Journal Article; Review    
Journal Detail:
Title:  Hormones and behavior     Volume:  48     ISSN:  0018-506X     ISO Abbreviation:  Horm Behav     Publication Date:  2005 Nov 
Date Detail:
Created Date:  2005-10-21     Completed Date:  2006-01-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0217764     Medline TA:  Horm Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  384-94     Citation Subset:  IM    
Section of Integrative Biology, University of Texas, Austin, TX 78712, USA.
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MeSH Terms
Aggression / physiology*
Behavior, Animal / physiology*
Gonadal Steroid Hormones / physiology
History, 20th Century
Neuroendocrinology / history*,  methods
Neurosecretory Systems / physiology*
Reproduction / physiology
Reptiles / physiology*
Sex Factors
Sexual Behavior, Animal / physiology
Reg. No./Substance:
0/Gonadal Steroid Hormones

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

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