Fields and Levine discovered that taking a placebo causes the brain to release:

A) endogenous opioids.
B) oxytocin.
C) GABA.
D) acetylcholine.


A) endogenous opioids.

Psychology

You might also like to view...

Most experts believe that between 4 percent and 10 percent of men and women are exclusively homosexual during extended periods of their lives.

Answer the following statement true (T) or false (F)

Psychology

____ is a person's overall sense of worth and well-being

a. Self-esteem b. Self-concept c. Self-efficacy d. Self as an individual

Psychology

A ______ family is one that is comprised of a biological parent and a nonrelated adult.

A. blended B. cohabiting C. same-sex parented D. nontraditional

Psychology

Cohort effects are most commonly associated with which type of research design?

A) Cross-sectional designs B) Longitudinal designs C) Sequential designs D) Quasi-experimental designs

Psychology