X and Y may covary because
(a) X causes Y
(b) Y causes X
(c) both X and Y are caused by some third factor
(d) any or all of the above
D
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The low-amplitude, irregular waves that are associated with Stage N1 sleep are called:
a. alpha waves b. delta waves c. theta waves d. gamma waves
Of the following, the most accurate statement with regard to the genetic influences of ADHD is that
A. there are no known genetic influences. B. there appears to be a single gene influence. C. there appear to be multiple genetic influences. D. defects on the Y chromosome are the major influence.
Answer the following statement(s) true (T) or false (F)
The medial prefrontal cortex (mPFC) is activated during tasks that require shifts of attention
Stefan has drunk heavily most of his life. When he experiences memory loss and confusion, __________ seems a likely diagnosis.
A. delirium tremens B. Korsakoff's syndrome C. delirium syndrome D. Korsakoff's disease