Sex Differences and Animal Models Flashcards
behavior is mediated by what?
the nervous system
what are potential mechanisms for sex differences in the nervous system
- promoting or preventing cell growth or apoptosis
- affecting connectivity between neurons
- changing cellular receptor distribution for hormones/ neurotransmitters
what is sexually dimorphic nucleus of the preoptic area?
brain region much larger in male than female rodents; females treated with androgens early in life have male-like SDN-POA
what sex has the largest corupus callosum
females
in humans, SDN-POA is subdivided into how many regions
4
true or false :there is less variation within each sex than between the sexes for virtually all human behaviors
false; there is more variation
what is brain lateralization
the tendency for cognitive functions to be concentrated in one hemisphere of the brain
are male or females more lateralized?
males
do male or females have a higher IQ
no difference
person’s sexual identity in relation to the gender to which they are attracted
sexual orientation
what do men usually adopt
a masculine gender role and are sexually attracted to women
what do women usually adopt
a feminine gender role and are sexually attracted to men
when was homosexual behvaior removed from being classified as a mental disorder
1970s
