The study of __________ consists of examining the mental activities associated with sensation, perception, thinking, knowing, remembering, and communicating

When laboratory animals are given unlimited opportunities to self-administer cocaine injection

A. most eventually become bored with it and stop taking it. B. they become completely tolerant to it and it loses its effect. C. they only inject enough to keep themselves awake. D. they will readily self-administer it.

Plasticity refers to the

A) degree to which a developing behavior or physical structure is modifiable. B) ability of neurons to form synapses without actually touching. C) ability of neurons to migrate. D) myelin coating on axons.