For most children, the left cerebral hemisphere __________.
A) is especially active between 3 and 6 years and then levels off
B) shows slow activity throughout early and middle childhood
C) shows a slight growth spurt between ages 8 and 10
D) peaks between 1 and 3 years and decreases slowly throughout early childhood
Question 2
By age 8 to 10, __________.
A) energy metabolism in the cerebral cortex peaks
B) the number of synapses in the prefrontal cortex is nearly half the adult value
C) energy consumption of most cortical regions diminishes to near-adult levels
D) brain size increases to about 70 percent of its adult weight
Synthesis of the active hormone formed from vitamin D or its precursor in skin.
Variation in coat pattern in zebras. The patterns show progressively more black left to right and to
By age 3, children develop scripts for common events such as eating at a restaurant.
The cerebral ventricles.
Close-up of a flat-disc amplifier (left) and a bell amplifier (right)
Position of cupula with head in still position (left) and when head rotates (right)