In addition to its role in motor behavior, acetylcholine has been suggested to be involved in attention, arousal, learning, and memory, and its degeneration related to Alzheimer's disease. Given what you have learned about the brain, in what structure would you expect to find a high percentage of acetylcholine receptors?

Medically-related mood disorders are caused by medical illness, prescribed medication, or abuse of substances

Indicate whether the statement is true or false

An infant responds less and less to a repeated sound, but increases its response to a slightly changed sound. What term applies to this increase of response?

a. Accommodation b. Habituation c. Dishabituation d. Desensitization