Stimulus
A stimulus is anything that can trigger a physical or behavioral change. The plural of stimulus is stimuli.
Stimuli can be external (a patient responds to a medication) or internal (a patient's vital signs change due to a change in a bodily system).
Examples of stimuli include irritants, sights, sounds, heat, cold, smells, or other sensations.
Learn more about Stimulus
Review Date: 2/20/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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Copyright 2011 A.D.A.M., Inc.
Copyright 2011 A.D.A.M., Inc.
