The amount of motor cortex devoted to each body area is determined by
a. the size of the body area.
b. the location of the body area.
c. the diversity of movements of the body area.
d. none of these factors.
C
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Abby, age 2, awakens frequently throughout the night. Which of the following is true?
It is common for children under the age of 3 years to awaken frequently during the night. Abby is at high risk for SIDS, sudden infant death syndrome. Abby's frequent awakenings may be a sign of physical or psychological problems now, but she will most likely grow out of the problem. Abby's frequent awakenings may be a sign of physical or psychological problems now, and her sleep deprivation can cause long-term health problems.