Which of the following is a characteristic of Rett's disorder?
A. The loss of previously acquired skills, such as the ability to walk and to communicate after three years of apparently normal development
B. Stereotyped behavior from birth
C. A loss of hearing at birth
D. A range of physical, behavioral, motor, and cognitive abnormalities that begin after a few months of normal development
Answer: D
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Which of these is the hallmark symptom of Social Phobia?
a. Becomes extremely anxious when involved in activities completed in the presence of other individuals. b. Is terrified of being in public places and may become housebound. c. Is unable to speak in the presence of other individuals. d. Exhibits paranoid symptoms, believing that others are plotting to hurt him or her.
The corpus callosum
A) facilitates communication between the two halves of the cerebral cortex. B) is made of fibrous muscle that holds the hemispheres together. C) causes a vegetative state when severed accidentally. D) is the boundary between the brainstem and the reticular activating system.