Rachel has a pessimistic attitude.She worries incessantly about things and can never seem to see the positive side of life.According to the biological perspective, Rachel's attitude could best be explained by low levels of

A) glutamate.
B) serotonin.
C) dopamine.
D) adrenaline.

Serotonin

A neurotransmitter that plays a key role in regulating mood, appetite, and sleep among other functions.

Pessimistic Attitude

A tendency to focus on the negatives of a situation or to expect the worst possible outcome.

Biological Perspective

An approach in psychology focusing on understanding human and animal behavior through biological processes, including genetics, the brain, and the nervous system.