DrWelch Disagrees with the Idea That Our Weight Has a Set

question 90

Multiple Choice

Dr.Welch disagrees with the idea that our weight has a set point;instead,he prefers the term settling point.Which of the following observations seems to support the idea of a settling point?

• A) Although laboratory mice and rats will overeat if given a variety of foods to eat,animals in the wild will eat only enough to maintain a normal body weight.
• B) Sustained changes in body weight can alter one's set point,and psychological factors also sometimes drive our feelings of hunger.
• C) Even when people are given medications that boost brain levels of serotonin,their weight will gradually decrease with age.
• D) The prevalence of obesity is just as great in developing countries as in North America.

---

Definitions:

Misses

In a cognitive or perceptual task, failures to detect or respond to stimuli present.

Signal-Detection Theory

A framework used in psychology and cognitive neuroscience to explain how decisions are made under conditions of uncertainty, distinguishing between the ability to discern between information-bearing patterns and random noise.

Dim Light

A low level of illumination; light that is not bright or intense.

Receptors

Specialized cells or proteins in organisms that detect and respond to signals like hormones, neurotransmitters, and sensory stimuli.