A neuropeptide that may signal satiety is

If mild to moderate depression alternates with periods when a person's mood is elevated, expansive, or irritable, the disorder is called

a. dysthymia. b. cyclothymic disorder. c. a conversion reaction. d. dissociative disorder.

As we enter our 30s and 40s, slightly greater problems start to occur with respect to

a. long-term memory. b. intermittent memory. c. sensory memory. d. short-term memory.