The electrical charge that exists between the inside and the outside of a neuron when the neuron is neither receiving nor sending is approximately

ADHD is diagnosed at least 10 times as often in Europe as it is in the United States

Indicate whether this statement is true or false.

The principle that performance on tasks is best when the arousal level is appropriate to the difficulty of the task is known as _____

a) the Yerkes-Dodson law. b) the drive-reduction theory. c) the Lazarus theory. d) the James-Lange theory.