Which hormone plays a role in relaxation and drowsiness in human beings?

A. Melatonin
B. Serotonin
C. Dopamine
D. Cortisol


A. Melatonin

Psychology

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Why do behaviorists argue that your thoughts do not cause your behaviors?

What will be an ideal response?

Psychology

Learned helplessness is demonstrated in laboratory animals by a. creating aversive stimuli (such as electrical shocks to the foot) that the animal can control. b. creating aversive stimuli (such as electrical shocks to the foot) that the animal cannot control. c. creating pleasant stimuli (such as a food pellet) that the animal cannot control

d. creating pleasant stimuli (such as a food pellet) that the animal can control.

Psychology

According to Piaget, children progress through multiple stages of cognitive development, occurring in a fixed order. Which of the following is the last stage of cognitive development?

a. concrete operational b. sensorimotor period c. preoperational period d. formal operational period

Psychology

The internal clock for humans is accurate to within a few minutes for most people

However, it tends to run on a 24-hour clock, and therefore must be reset each day. The brain region that is responsible for resetting the internal clock is the _____. A) fornix B) hippocampus C) suprachiasmatic nucleus D) reticular activating system

Psychology