Summary: Chapter 5 - Male Reproductive Behavior
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Read the summary and the most important questions on Chapter 5 - Male reproductive behavior
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What is sexual behavior?
Behavior that has evolved to bring the 2 gamete types together. -
What is male sexual behavior?
All behavior necessary and sufficient to deliver male gametes (sperm) to female gametes (eggs). -
What is sex drive?
The primitive motivational force that propels individuals to seek sexual intercourse. -
What 2 phases are there in male sexual behavior and explain them briefly.
- Appetitive phase. Equivalent to courtship and involves all behaviors the male uses to gain access to the female. E.g. searching for females, fighting for territory or advertising.
- Consummatory phase. During which copulation occurs.
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What is sexual arousal?
The engagement of the mechanisms that increase 'sexual excitement to such a pitch that the copulation threshold is attained'. -
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What is the effect of androgens on mating behaviors?
Androgens affect the likelihood of mating behaviors by reducing the threshold for these behaviors in the presence of the appropriate stimuli in the appropriate social context. -
What are the 3 distinguishable behavioral components of the consummatory phase?
- Mounting
- Intromission
- Ejaculation
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What is mount latency?
The time from the introduction of the male to the female until the first mount. -
With what features can male copulatory behavior be classified into categories?
- Copulatory lock
- Intravaginal thrusting
- Multiple intromissions
- Multiple ejaculations
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What are the effects of castration on mating behavior in male rats?
- Reduction in sexual responsiveness
- Motivation and performance decrease
- They will not investigate females
- They will not suffer pain to reach females
- They take longer to initiate mounting
- They cannot mate to ejaculations
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