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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:

      • Your body responding to a medicine

      An example of internal stimuli:

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

      Stimuli include:

      • Irritants
      • Sights
      • Smells
      • Sounds
      • Temperature changes