Alzheimer disease involves a deficiency in an important brain messenger chemical called

oxytocin.
serotonin.
acetylcholine.
dopamine.


acetylcholine.

Psychology

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If you want to train a killer whale to do a trick, what positive reinforcers would work best and when?

A. access to other killer whales about an hour after the whale correctly performs the specific behavior B. removing an unpleasant sound right after the whale correctly performs the specific behavior C. foods, toys, and back scratches right after the whale correctly performs the specific behavior D. foods, toys, and back scratches about 3 minutes after the whale correctly performs the specific behavior

Psychology

Evaluating the mental health of children can be particularly difficult due to the ____

a. cultural variations of what constitutes abnormal behavior b. difference in psychological theories c. limited amount of assessment tools available for children d. vague information often given by children

Psychology

Which factor is least representative of someone with a disease-resistant personality?

a. ?inability to adapt to changing conditions b. ?perception of stressful events as challenging opportunities c. ?strong involvement in personal values and goals d. ?belief in ability to deal with problems

Psychology

The use of red bracelets and the use of black dots on children's foreheads are cultural practices explicitly designed to:

a. enhance growth c. prevent sickness b. increase attractiveness d. ward off the evil eye

Psychology