List and Discuss Two Different Theories About the Regulation of Food

question 31

Essay

List and discuss two different theories about the regulation of food intake and the role of signal molecules and the brain.

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Definitions:

Allostasis

“Balance through adaptation.” In this model of stress processes, the central nervous system (CNS) controls multiple interacting regulatory processes so that the best balance for each specific challenge is found, rather than returning to a fixed set point.

General Adaptation Syndrome

A model that describes the body's short-term and long-term reactions to stress, developed by Hans Selye.

Set-Point Model

A theory in psychology that suggests individuals have a pre-set level of happiness or well-being, which is largely stable over time despite changes in circumstances.

Homeostasis

The regulatory process organisms use to maintain stable internal conditions despite external changes.