Which of the following brain structures has not been found to be involved in the initiation of aggressive behaviors?

The voltage of –60 millivolts is known as the neuron's

A) postsynaptic potential. B) resting potential. C) action potential. D) graded potential.

The average American infant is first able to sit alone, without support, around age

a. two months. b. four months. c. seven months. d. 11 months.