Testosterone and Aggression

These flashcards cover key concepts related to testosterone and aggression as discussed in the PSYC 4230 Biopsychology lecture.

What is the role of estradiol in aggressive behavior in some mammals?

Estradiol is involved in masculinizing the brain, which contributes to aggressive behaviors.

How does testosterone influence aggressive behavior?

Testosterone mediates aggressive behavior, especially in males, impacting dominance and competitiveness.

What factors can moderate the effects of testosterone on aggression?

Environmental factors, social context, and individual differences such as genetics and personality can moderate testosterone's effects.

What are androgenic steroid hormones?

Androgenic steroid hormones, like testosterone, are responsible for male aggressive behavior across species.

How does testosterone affect aggression levels during puberty?

Aggressive behaviors typically increase during puberty when testes become active and androgen levels rise.

What effect does castration have on male aggression?

Castration usually reduces aggression in males, while testosterone-replacement therapy can restore aggression.

How are aggressive behaviors connected to gender in humans?

Males generally initiate more physical aggression and are more frequently convicted of violent crimes compared to females.

What impact do androgens have on the brains of males?

Androgens cause prenatal brain wiring that increases aggression in males.

What other behaviors are influenced by testosterone besides aggression?

Testosterone influences dominance, competitiveness, and parental behaviors.

How do reduced testosterone levels relate to parental care in males?

Lower testosterone levels in males are linked to increased parental care, such as observed in human fathers.