Short-term memory slips gradually until _______, when the decline becomes more pronounced

Piaget's third stage of cognitive development, which extends from about seven to eleven or twelve years of age is:

A) concrete operational. B) formal operational. C) preoperational. D) sensorimotor.

Which of the following drugs produces the most rapid effect on symptoms of depression?

a. Fluoxetine b. Ketamine c. Iproniazid d. Monoamine oxidase inhibitors