You go to a neurologist because of headaches. You are told that the doctor would like to get some images of your brain and that the procedure involves a technique in which a narrow x-ray beam will be passed through your head. You know a little bit about brain study techniques and realize that the doctor is suggesting a(n)
a. CAT scan. c. PET scan.
b. MRI. d. autopsy.
A
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The opponent-process theory does better than the trichromatic theory at explaining which of these?
a. Motion blindness b. Color constancy c. Negative afterimages d. Dark adaptation
Surveys indicate most adults in middle adulthood are "afraid" or "very afraid" of __________.
A. having cancer B. developing diabetes C. natural disasters D. getting AIDS
According to the James-Lange theory, how can we explain why people with pure autonomic failure experience weaker than average emotional feelings? a. They have trouble interpreting the meaning of other people's facial expressions. b. They do not appraise dangerous situations as quickly as other people do
c. Sensory messages that reach the spinal cord fail to reach the brain. d. Their heart rate and breathing rate do not respond to experiences.
Which symptom is necessary for a diagnosis of illness anxiety disorder?
a. invention of physical issues for a purpose b. a neurological symptom c. concern with undetected physical illness d. depression