The biological indicator for generalized anxiety disorder (GAD) suggests ____
a. a disruption of the prefrontal cortex's ability to modulate the response of the amygdala to threatening situations
b. a predominant role of genetic factors in the manifestation of GAD
c. unusually low activity of the anxiety circuit in the brain
d. awareness of the source of the anxiety by the person suffering from the disorder
A
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Dr. Cabeza is working using a statistical technique in which he will combine results from 15 different other studies in a standardized way. This is an example of a _____
a. Single-participant study b. Randomized clinical trial c. Client-centered study d. Meta-analysis
Taking a folic acid supplement around the time of conception reduces by more than 70 percent
A) the risk of miscarriage. B) infantile hypothyroidism. C) the risk of Down syndrome. D) abnormalities of the neural tube.