Question 1

In the zebra finch, sexual dimorphism is observed in the brain regions RA and HVC, both of which play a role in the control of _______ behavior.

Accepted Answer

The answer of In the zebra finch, sexual dimorphism is...

Question 2

Name and describe the physiological and behavioral characteristics for each of the four stages of reproductive behavior.

Accepted Answer

The answer of Name and describe the physiological and behavioral...

Question 3

Choose a species and describe the behavioral array of female-male interactions including attractive, appetitive/proceptive, copulative and post-copulative reproductive stages.

Accepted Answer

The answer of Choose a species and describe the behavioral...

Question 4

Describe and give examples of the various methods of sexual and asexual reproduction.

Accepted Answer

The answer of Describe and give examples of the various...

Question 5

Outline the neuroanatomical circuitry controlling female sexual behavior (e.g. lordosis) in female rats. Briefly describe which steroids affect this system and how.

Accepted Answer

The answer of Outline the neuroanatomical circuitry controlling female sexual...

Question 6

Outline the neuroanatomical circuitry controlling male sexual behavior in rats. Briefly describe which steroids affect this system and how.

Accepted Answer

The answer of Outline the neuroanatomical circuitry controlling male sexual...

Question 7

Describe the sexual behavior of female rats after ovariectomy, the particular hormone treatments that reverse the effects of ovariectomy, and the reasons that the hormone treatments must be given at particular times.

Accepted Answer

The answer of Describe the sexual behavior of female rats...

Question 8

Summarize the experimental findings concerning menstruation in women that suggest pheromonal communication in humans.

Accepted Answer

The answer of Summarize the experimental findings concerning menstruation in...

Question 9

Describe Masters and Johnson's four phases of human sexual response. Include brain activity findings during orgasm for females and males. What role do gonadal hormones play in human sexual behavior?

Accepted Answer

The answer of Describe Masters and Johnson's four phases of...

Question 10

How has functional brain imaging shown us that there is conservation of the neural substrates underlying sexual behavior? What do these studies tell us about the relationship between sexual behavior and brain reward circuitry in humans?

Accepted Answer

The answer of How has functional brain imaging shown us...

Question 11

Describe the response of virgin female rats and male rats to pups that are not their own. Describe the roles of experience and hormones in changing that response.

Accepted Answer

The answer of Describe the response of virgin female rats...

Question 12

Describe four types of maternal behavior and the evidence that the hormones of pregnancy regulate them.

Accepted Answer

The answer of Describe four types of maternal behavior and...

Question 13

Outline the neural pathways that seem to mediate parental behavior in rodents.

Accepted Answer

The answer of Outline the neural pathways that seem to...

Question 14

Provide a thorough overview of the sequence of events that normally occurs as a developing mammal differentiates into a male. Note at each stage what active intervention does occur and why.

Accepted Answer

The answer of Provide a thorough overview of the sequence...

Question 15

Provide a thorough overview of the sequence of events that normally occurs as a developing mammal differentiates into a female (the quasi-"default pattern"). Note at each stage what active intervention does not occur and why.

Accepted Answer

The answer of Provide a thorough overview of the sequence...

Question 16

Describe the genetic differences and effects on development in Turner's syndrome.

Accepted Answer

The answer of Describe the genetic differences and effects on...

Question 17

Explain what is meant by the organizational and activational effects of hormones on reproductive behavior. Contrast and discuss the relationship between them with respect to overall reproductive purpose when they occur. What functional implications are there for aspects of this differentiation in females and males? Give two examples of activational reproductive results and their implication for behavior and/or psychological processes in males and females.

Accepted Answer

The answer of Explain what is meant by the organizational...

Question 18

Summarize and explain the aromatization hypothesis of sexual differentiation in the brain. Be sure to include the role of specific gonadal secretions, the blood-brain-barrier, brain sites where aromatization is believed to occur, relevant steroid receptor(s) locations relative to the cell membrane, aromatase basic function and describe the intracellular activities of this process thereafter. When is the sensitive phase for brain differentiation in humans? In rats? Give clear descriptions of this schema for typical male and female behavioral outcomes.

Accepted Answer

The answer of Summarize and explain the aromatization hypothesis of...

Question 19

Describe the role of pheromone-gonadal hormone interactions in the integration of neural structures and circuits involved in regulating rat sexual behavior for males and females. How does each step in these neuroendocrine pathways support mating behavior? What role does experience play in finalizing this circuitry?

Accepted Answer

The answer of Describe the role of pheromone-gonadal hormone interactions...

Question 20

Write a coherent and informative paragraph incorporating each of the following terms or concepts: castration; activational effects; male copulatory behavior, lordosis; copulatory lock

Accepted Answer

The answer of Write a coherent and informative paragraph incorporating...

Quiz 12: Sex: Evolutionary, Hormonal, and Neural Bases