Author Question: Psychologists using psychological challenge studies examine brain functioning through PET scans of ... (Read 64 times)

stephzh · **on:** Jun 22, 2018

Psychologists using psychological challenge studies examine brain functioning through PET scans of people affected by a disorder and of those not affected by it. For obsessive-compulsive disorder studies, this technique would

A) question participants in order to activate certain portions of the brain.
B) measure differences in response times for object recognition.
C) present subjects with contaminated objects and note differences in brain activity.
D) engage participants in storytelling in order to identify underactivated brain areas.

Question 2

There is controversy in the research concerning the incidence of anorexia nervosa in our country; some studies report stable rates, while others report an increase. This discrepancy may be explained by the way in which studies were conducted or

A) attrition rates in studies.
B) the fact that many people never seek treatment.
C) improvements in screening tools for the disorder.
D) the underestimate of males having the disorder.