A condition caused by the presence of an extra chromosome on the 21st pair and
characterized by intellectual developmental disorder and various physical anomalies is ______.
a. Down syndrome c. fragile X syndrome
b. Klinefelter's syndrome d. Turner's syndrome
A
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Simple cells are found exclusively in the primary visual cortex
a. True b. False Indicate whether the statement is true or false
Substances that damage the nervous system are called _________
a. trace elements b. neurotoxins c. CNS inhibitors d. cortical blockers
The DSM-IV-TR contains ________ axes or dimensions, one of which classifies information based on ________
a. two; extraversion b. seven; genetic susceptibility c. five; general medical conditions d. four; self-concept
According to your authors, dysthymia can best be conceptualized as
A) a chronic state of depression. B) a fluctuating pattern of high and low moods. C) an intermittent period of deep depression. D) a disorder caused by genetic factors.