Search

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:

  • Your vital signs change due to a change in the body

Stimuli include:

  • Irritants
  • Sights
  • Smells
  • Sounds
  • Temperature changes

Information

Media

    Encyclopedia content is provided as information only and not intended to replace the advice and instruction from your personal physician.