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?

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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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