Exam 3 - 3/7 Flashcards
_________ -
Removal of the gonads (testes or ovaries) removes the major source of sex hormones
Castration
Castration -
Removal of the gonads (testes or ovaries) removes the major source of _________
sex hormones
Castration -
Decrease in _________ motivation in nonhuman mammals of both _________
- sexual
- sexes
Castration -
_________ still produce small amounts of hormones (male and female)
Adrenals
_________ -
Class of hormones responsible for a number of male characteristics and functions
Androgens
Androgens-
Class of hormones responsible for a number of _________ characteristics and functions
-male
Androgens-
_________ is the major sex hormone in males
Testosterone
Androgens-
Blocking production of _________ highly effective in eliminating _________ sexual behavior
- testosterone
- deviant
Androgens-
Male sexual behavior requires _________ testosterone levels
-Level of sexual activity _________ directly related to testosterone levels
- minimal
- not
Testosterone levels rise after sexual activity so does not appear to _________ sexual activity
initiate
_________ -
A class of hormones responsible for a number of female characteristics and functions
Estrogens
Estrogens -
A class of hormones responsible for a number of _________ characteristics and functions
female
Estrogens -
_________ -
-Time when the female is ovulating
-Sex hormone levels are high
Animals said to be in _________
- Estrus
- heat
Estrogens -
Estrus
-Time when the female is _________
-Sex hormone levels are _________
Animals said to be in heat
- ovulating
- high
_________ -
Second major class of female hormones -progesterone
Progestins
Progestins-
Second major class of \_\_\_\_\_\_\_\_\_ hormones - \_\_\_\_\_\_\_\_\_
- female
- progesterone
Unlike other species women engage in sexual activity at times other than _________
ovulation
Women do initiate sex more often during middle of _________
cycle
Estrogen and Testosterone – peaks _________
midcycle
Testosterone also increases sexual behavior in _________ and is more closely correlated with sexual activity during _________
- women
- menopause
Testosterone increases _________ sexual activity
after
XXXXXXXXXX
Medial preoptic area of hypothalamus (MPOA)
Important in male and female sexual behavior – _________ more than motivation
performance
XXXXXXXXXX
Medial preoptic area of hypothalamus (MPOA)
Stimulation of the MPOA increases _________ in rats of both sexes
copulation
XXXXXXXXXX
Medial preoptic area of hypothalamus (MPOA)
The MPOA is active when rats copulate _________
spontaneously
XXXXXXXXXX
Medial preoptic area of hypothalamus (MPOA)
Testosterone and _________ prime the MPOA to release dopamine - MPOA neurons strongly release dopamine during _________ activity
- estradiol
- sexual
XXXXXXXXXX
Medial preoptic area of hypothalamus (MPOA)
Testosterone and estradiol prime the MPOA to release _________ - MPOA neurons strongly release _________ during sexual activity
- dopamine
- dopamine
XXXXXXXXXX
-CNS Control of Sexual Behavior-
Medial _________ area of _________ (MPOA)
hypothalamus
XXXXXXXXXX
-CNS Control of Sexual Behavior-
Sexually _________ nucleus (SDN)
dimorphic
XXXXXXXXXX
Sexually dimorphic nucleus (SDN)
-located in the medial _________ area
preoptic
XXXXXXXXXX
Sexually dimorphic nucleus (SDN)
More important for sexual activity in _________
Destruction of SDN _________ male sexual activity
- males
- reduces