"Cells that fire together wire together" is a good summary of the Hebb rule

Richard seems to vacillate between periods of extreme productivity and periods of deep depression. During his productive periods he sleeps little, feels good, and he talks a lot and very quickly. Another way to describe Richards productive periods might be:

a. ADHD b. Manic depressive disorder c. Bipolar disorder Incorrect d. Manic episodes e. Depressive episodes

The Thematic Apperception Test was developed by ________, and over the years it has proven to be a valid measure of ________

a. Harrison Gough; normal personality b. Starke Hathaway; clinic psychopathology c. J.R. McKinley; achievement motivation d. Henry Murray; needs for achievement