The proportion of variability in intelligence due to heredity is highest in:
a. Infancy
b. Childhood
c. Adolescence
d. Adulthood
Question 2
The secondary motor areas include the:
a. Prefrontal cortex, premotor cortex, and supplemental motor area
b. Premotor cortex and supplementary motor area
c. Prefrontal cortex and basal ganglia
d. Primary motor cortex and areas of the cingulate gyrus