During a night's sleep, how many cycles of REM sleep will a person typically experience?
a. 1 or 2
b. 2 or 3
c. 4 or 5
d. 6 or 7
e. 8 to 10
c. 4 or 5
Psychology
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The average ages at which voluntary skills such as grasping, crawling, and walking occur are known as ______
a. developmental norms c. cephalocaudil norms b. proximodistal development d. median norms
Psychology
The reticular formation
A) maintains alertness and consciousness. B) aids in balance and control of body movement. C) plays a vital role in memory and in images of space that help us find our way. D) is a large bundle of fibers connecting the two cerebral hemispheres.
Psychology