The estimated heritability of attention-deficit/hyperactivity disorder is __________%.

A. 1-5
B. 10-20
C. 30-40
D. 75-90


Answer: D

Psychology

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Which brain area receives incoming messages from the sense organs and bombards the cortex with stimulation, keeping the brain active and alert?

a. hypothalamus b. medulla c. reticular activating system d. limbic system

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_______________ is learned through trial and error, whereas _______________ is a reflexive behaviour.

a. Grasping; rooting b. Walking; grasping c. Crawling; sucking d. Standing; crawling

Psychology

One population of people who are more likely to suffer from posttraumatic stress disorder are military veterans. What is the government's responsibility to care for the psychological well-being of veterans? How can the care provided to this important population be improved?

What will be an ideal response?

Psychology

Which brain waves between the thalamus and cortex appear necessary for coordinated brain activity that contributes to consciousness?

A. delta waves B. theta oscillations C. gamma oscillations D. alpha waves

Psychology