Journal
BEHAVIORAL NEUROSCIENCE
Volume 115, Issue 6, Pages 1341-1348Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/0735-7044.115.6.1341
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Funding
- NICHD NIH HHS [5T32HD07048, HD24575] Funding Source: Medline
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Paternal and nonpaternal votes (microtus) have different arginine-vasopressin (AVP) anti oxytocin (OT) receptor patterns in the extended amygdala, a neural pathway associated with parental behavior. Using receptor autoradiography, the authors examined whether AVP and OT receptor patterns were associated with facultative paternal behavior in either sexually and parentally inexperienced or experienced meadow votes (Microtus pennsylvanicus). Experienced, in contrast to inexperienced, males had less AVP binding in the lateral septum (LS), more AVP binding in the anterior olfactory nucleus (AON), and more OT binding in the AON, bed nucleus of the stria terminalis, LS, and lateral amygdala. Thus, specific AVP receptor patterns, which co-occur with paternal care in consistently paternal votes, also may be associated with paternal care (when present) in typically nonpaternal species. This study also demonstrated a possible relationship between OT receptor patterns and paternal state in male mammals..
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