Those with antisocial personality disorder have a lower fear threshold.

When children play video games ____________

A) they learn aggressive behaviors but do not improve their perceptual-spatial skills B) unlike TV, they are unaffected by the contents of the games they play C) a small percentage become addicted to game playing

Major depressive disorder with seasonal pattern seems to be related to

a. low levels of thyroxine. b. low levels of sunlight. c. high levels of thyroxine. d. high levels of sunlight. e. high levels of dopamine.