According to Hamilton, being interested in a romantic partner who isn't interested in you may be a form of _________

A patient suffering through delirium tremens reported frightening hallucinations of quickly moving insects and small animals. How have researchers explained this particular aspect of delirium tremens?

a) The hallucinations seem to be due to a REM rebound. b) Stopping the use of alcohol floods the brain with norepinephrine. c) A rapid rise in blood pressure leads to significant metabolic changes in the brain. d) As a result of a general absence of vitamins and other nutrients, the person is in a state of semi-starvation and the body is craving food.

Which of these is an example of a pleasant conditioned response (CR)?

a) the sight of your favorite food b) the sound of your favorite song c) blinking when a fly passes in front of your face d) a warm feeling when you hear your favorite song