Your uncle returns home after visiting a sleep clinic. He says the sleep specialists diagnosed him as suffering from narcolepsy. Which of the following sets of symptoms probably led to his decision to seek an evaluation at the sleep clinic?
a. loud snoring and violent leg movements during sleep
b. early morning waking and an inability to get back to sleep
c. irresistible sleep attacks and sudden loss of muscle tone for brief periods of time
d. inability to breathe and sleep at the same time and difficulty getting to sleep
Answer: c.
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Which of the following does a correlation coefficient not tell us?
A. If the difference between two means reflects a real difference or can be attributed to chance fluctuation. B. The strength of a relationship between two measures. C. The direction of a relationship between two measures. D. How well a score on one measure can be predicted by a score on another.
is linear, time variant and noncausal.
Show that a system with excitation x(t) and response y(t) described by y(t) = x (t/2)
A woman's sex drive is related to the levels of which of the following in her bloodstream?
a. estrogen and testosterone b. serotonin and dopamine c. endorphins d. catecholamines
The fact that the CA1 region of the hippocampus has many ______________ is both a blessing and a curse
These receptors allow LTP and the ability to learn quickly, but they also can allow too much calcium into cells when activated by excess glutamate. a. NMDA receptors b. AMPA receptors c. MGluR receptors d. serotonin receptors