According to recent research, which of these increase risk-taking behavior in adolescents?
A. synaptic expansion and the thinning of white matter
B. the neurotransmitters epinephrine and histamine
C. synaptic pruning and the thinning of gray matter
D. the neurotransmitters serotonin and dopamine
Answer: D
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According to the dual systems model, heightened risk-taking in early to mid-adolescence may be due to an imbalance or gap between the development of the ___________________
a. left hemisphere and the social network b. the right hemisphere and the reward network c. the social network and the attention systems of the brain d. reward network and the executive control network
One neurotransmitter that often produces inhibitory effects and stabilizes communication within the brain is:
a. dopamine b. acetylcholine c. serotonin d. GABA
A synapse is essentially a(n) ____
a. ?gap b. ?wire c. ?chemical d. ?electrical charge
The most frequent problem people encounter when they are developing a relaxation program is:
a. they can't find a suitable place to practice. b. they think it's too boring. c. they don't do it. d. they don't have time in the day.