Stimulus
Definition
A stimulus is anything that can trigger a physical or behavioral change. The plural of stimulus is stimuli.
Stimuli can be external or internal.
An example of external stimuli is your body responding to a medicine.
An example of internal stimuli is your vital signs changing due to a change in the body.
Stimuli include:
- Irritants
- Sights
- Smells
- Sounds
- Temperature changes
References
Taber's Medical Dictionary Online website. www.tabers.com/tabersonline. Accessed March 15, 2023.
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Review Date:
2/2/2023 Reviewed By: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. |
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