At puberty, brain changes include
A. decline in gray matter in the prefrontal cortex.
B. no changes in brain development.
C. major changes in gray matter in frontal lobes.
D. under-activation of the amygdala.
Answer: C
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Leader-member exchange theory, or LMX, unlike other theories of leadership stresses the
a. quality of the relationship between the leader and each of his or her subordinates. b. how the leader adjusts to situational demands. c. leader’s emphasis on task versus socioemotional demands. d. leader’s ability to enhance, or transform, group members’ motivational levels. e. group members’ perceptions of their leader.
Which of the following is NOT one of the components of Sternberg's triangular theory of love?
a. intimacy b. commitment c. respect d. passion
According to studies by Ekman and others:
a. no changes in autonomic activities are discernible for emotions such as disgust or anger b. autonomic changes may be triggered by contractions of specific facial muscles c. there is no relationship between measures of behavioral, cortical and autonomic arousal d. emotional reactions are not fully measureable physiologically
Which of the following neurotransmitters is not a catecholamine?
a. serotonin b. epinephrine c. dopamine d. norepinephrine