Why is it thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size?

a. ?The earliest Homo sapiens were as intelligent as contemporary humans.
b. ?Although brain size has remained constant, brain density has increased.
c. ?The physiological cost of a bigger brain exceeds its benefit.
d. ?More efficient neuronal connections account for modern human advancements.


ANSWER:
c

Psychology

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The increasing prevalence of obesity obviously relates to the increased availability of our diet and ____

a. depression b. psychological distress c. increased activity d. sedentary lifestyle

Psychology

After years of studying the harmfulness of marijuana, scientists have concluded that frequent marijuana use can cause all of the following EXCEPT

a. a decrease in the brain's ability to cope with pain and stress. b. some loss of coordination and concentration. c. an increased risk of prostate and cervical cancer. d. the lowering of sperm production in men and the production of more abnormal sperm.

Psychology

The "criminalization" of the mentally ill in the 1960s and 1970s refers to

A. Passing of legislation that made it illegal to be mentally ill without actively seeking care B. A sharp rise in the number of illegal activities committed by the mentally ill C. Mentally ill individuals not receiving needed care due to restrictions on involuntary commitment, eventually committing crimes because of their behavior D. All of these are correct.

Psychology

Identify the purpose of hormone replacement therapy in the past

What will be an ideal response?

Psychology