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Lecture 5: Hormone-Induced Changes in Play Behavior
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Lecture 5: Hormone-Induced Changes in Play Behavior

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Questions and Answers

How does the rearing condition affect play behavior in juveniles?

  • Decreases the amount of play initiated
  • Has no effect on play behavior
  • Alters the defense tactics used during play
  • Increases the amount of play initiated (correct)
  • What is the effect of hormones on brain wiring in juveniles reared in different conditions?

  • Hormones do not affect brain wiring
  • Hormones only affect females' brain wiring
  • Hormones wire up the brain in a sex-differentiated manner (correct)
  • Hormones increase overall brain activity
  • Which strain of rats shows the most defense tactics of evasion during play?

  • Male Wistar
  • Female Sprague Dawley
  • Male Long Evans
  • Male Sprague Dawley (correct)
  • How do strain differences affect play behavior in rats tested with different partners?

    <p>Each strain retains its strain-typical preference irrespective of the partner's strain</p> Signup and view all the answers

    What can be modified by early rearing experiences in regards to play behavior?

    <p>The amount of play initiated</p> Signup and view all the answers

    What is the default condition for the frequency of play in females?

    <p>Low frequency (male typical levels depend on testosterone exposure)</p> Signup and view all the answers

    At what age does the frequency of playful attacks peak in rats?

    <p>41-45 days</p> Signup and view all the answers

    In playful defense tactics, what determines the change at puberty in males?

    <p>Testosterone exposure in the perinatal period</p> Signup and view all the answers

    What can affect the amount of play displayed by animals in studies?

    <p>The partner with whom they are tested</p> Signup and view all the answers

    Do sex differences in the amount of play behavior exist in all strains of rats?

    <p>No, sex differences are only found in specific strains</p> Signup and view all the answers

    What can cause variability in the magnitude of sex differences in play behavior among rats?

    <p>Rearing conditions</p> Signup and view all the answers

    In relation to play behavior, what determines the differentiation between males and females?

    <p>Hormonal differences</p> Signup and view all the answers

    What happens if newborn males are castrated in terms of their behavior?

    <p>They exhibit female behavior</p> Signup and view all the answers

    Which statement best describes the default condition in mammals regarding sexual organ system differentiation?

    <p>The female is the default condition</p> Signup and view all the answers

    At what stage does hormonal organization of tissues occur?

    <p>Early in development</p> Signup and view all the answers

    What do gonadal hormones like testosterone do in terms of sex-specific differences in behavior?

    <p>They organize male organ systems</p> Signup and view all the answers

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