The development of male-oriented behavior in rams

Charles E. Roselli, Radhika C. Reddy, Katherine R. Kaufman

Research output: Contribution to journalReview article

29 Scopus citations

Abstract

The sheep offers a unique mammalian model in which to study paradoxical same-sex sexual partner preferences. Variations in sexual partner preferences occur spontaneously with as many as 8% of rams in a population exhibiting a sexual preference for other rams (male-oriented). The current review presents an overview and update of the male-oriented ram model and discusses several theories that have been invoked to explain same-sex preferences in this species. Although our understanding of the biological determinants and underlying neural substrates of sexual attraction and mate selection are far from complete, compelling evidence is discussed that supports the idea that neural substrates regulating sexual partner preferences are organized during prenatal development. The challenge for future research will be to construct an integrated picture of how hormones, genes, and experience shape sexual partner preference.

Original languageEnglish (US)
Pages (from-to)164-169
Number of pages6
JournalFrontiers in Neuroendocrinology
Volume32
Issue number2
DOIs
StatePublished - Apr 2011

Keywords

  • Aromatase
  • Gonadal steroids
  • Medial preoptic area
  • Rams
  • Sexual differentiation
  • Sexual orientation
  • Sexual partner preferences
  • Sexually dimorphic area
  • Sheep

ASJC Scopus subject areas

  • Endocrine and Autonomic Systems

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