A light-sensitive visual pigment called iodopsin is found in the

Unipolar depressive disorders are more common in ____________________, and rates for bipolar and cyclothymic disorders are ____________________.

Fill in the blank(s) with the appropriate word(s).

An assessment that measures the amount of stress in a person's life resulting from major life changes over one year is called the:

a) secondary appraisal. b) primary appraisal. c) social readjustment rating scale. d) college undergraduate stress scale.