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Physiologic responses to sensory stimulation by food: nutritional implications
1Department of Foods and Nutrition, Purdue University, West Lafayette, IN 47907-1264, USA.
Journal of the American Dietetic Association
|April 1, 1997
Summary
Sensory food stimulation triggers rapid physiological responses, known as cephalic phase responses, which may prime the body for nutrient absorption. Further research is needed to understand their full impact on health and nutrition therapy.
Area of Science:
- Physiology
- Nutrition Science
- Food Science
Background:
- Sensory factors significantly influence food selection.
- Physiological effects of sensory food stimulation are less understood.
- Exposure to food's sensory properties initiates rapid bodily responses.
Purpose of the Study:
- To review stimuli triggering cephalic phase responses.
- To examine features of these physiological responses.
- To propose mechanisms linking cephalic phase responses to nutrient absorption.
Main Methods:
- Literature review of cephalic phase responses.
- Analysis of stimuli and physiological outcomes.
- Exploration of proposed mechanisms.
Main Results:
- Sensory food exposure elicits digestive, endocrinologic, cardiovascular, and renal responses.
- These cephalic phase responses are rapid, small, and transient.
- Hypothesized to prime the body for nutrient assimilation.
Conclusions:
- Cephalic phase responses play a role in preparing the body for nutrient intake.
- Limited knowledge hinders dietary recommendations for interventions.
- Further research can inform medical nutrition therapy.