In terms of sexual behavior in animals, researchers believe that the behavioral effects of testosterone and estrogen are mediated by receptors in what area of the brain?

A) the cerebral cortex
B) the autonomic nervous system
C) the thalamus
D) the hypothalamus

Testosterone

The principal male sex hormone in mammals.

Estrogen

A group of steroid hormones which play a critical role in sexual and reproductive development, primarily in women, but also has important functions in men.

Hypothalamus

A region of the brain responsible for producing hormones that regulate body temperature, hunger, moods, release of hormones from many glands, especially the pituitary.