Some theorists have suggested that nicotine mimics the effects of which class of psychoactive medications?

Which of the following is NOT a function of the human magnocellular visual system?

A) movement perception B) perception of large objects C) brightness perception D) color vision E) perception of retinal disparity

In a six month study of elders living in Philadelphia

a. those with an optimistic explanatory style showed fewer symptoms of depression. b. those with a pessimistic explanatory style showed fewer symptoms of depression if a negative event occurred in the six month period. c. those with an optimistic explanatory style showed fewer symptoms of depression if a negative event occurred in the six month period. d. optimists and pessimists displayed an equal number of symptoms of depression if a negative event occurred in the six month period