can early life behavior predict adult gender
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Can early life behavior predict adult gender?. Childhood behavior of female-assigned males and CAH females suggests yes : Rough-and-tumble play Preference for play with boys Male typical cognitive skills (3D spatial skills) Declared lack of interest in marriage or child- rearing

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can early life behavior predict adult gender
Can early life behavior predict adult gender?

Childhood behavior of female-assigned males and CAH females suggests yes:

  • Rough-and-tumble play
  • Preference for play with boys
  • Male typical cognitive skills (3D spatial skills)
  • Declared lack of interest in marriage or child- rearing
  • 5-6 yr olds produce art in the style of typical boys rather than girls
is there a role for social interactions to influence adult gendered behavior
Is there a role for social interactions to influence adult gendered behavior?
  • 50% of CAH females and 36% of males assigned as females remain content with assignment
  • Social environment interacts with prenatal hormone environment of rhesus macaques to predict juvenile and adult sexually-dimorphic behavior

Wallen. Horm Behav, 1996, 30:364-378

Tomaszycki, et al. Horm Behav, 2001, 39:267-276

hypothesis
Hypothesis
  • Early behavior will reliably predict adult behaviors related to gender identity (i.e., sexually dimorphic behaviors in animal models)
  • Social interactions will interact with prenatal hormone exposure to influence adult behaviors.
questions for the future
Questions for the Future
  • Do early social interactions (e.g., rank differences) in females correlate with variation in amount of expressed male behavior?
  • Is it Androgen or Estrogen that is critical influence on behavior?
  • What role do postnatal, pubertal hormones play?
  • How are the brains being altered?
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