In humans, the brain reaches adult size by:

The focus of postformal thought, the possible fifth stage of cognition, is

analytic thinking. problem solving. problem finding. intuition.

Foods do not taste as good when you have a head cold because

a. fluid intake must be increased, and the diminished taste of food has evolved as an important signal in regulating body fluids. b. congestion makes it difficult for food odors to reach receptors for your sense of smell. c. your saliva becomes thicker and blocks some receptor cells. d. fever impairs the functioning of receptor cells. e. of previous taste-aversion conditioning experiences.