Sensation and Perception

Introduction to Perception

What you’ll learn to do: define perception and give examples of gestalt principles and multimodal perception

Poster depicting a drawing of an eye with circles of cyan, magenta, and yellow.

Seeing something is not the same thing as making sense of what you see. Why is it that our senses are so easily fooled? In this section, you will come to see how our perceptions are not infallible, and they can be influenced by bias, prejudice, and other factors. Psychologists are interested in how these false perceptions influence our thoughts and behavior.

Watch It

Watch this CrashCourse video for a good overview of perception:

You can view the transcript for “Perceiving is Believing: Crash Course Psychology #7” here (opens in new window).

Learning Objectives

  • Give examples of gestalt principles, including the figure-ground relationship, proximity, similarity, continuity, and closure
  • Define the basic terminology and basic principles of multimodal perception
  • Give examples of multimodal and crossmodal behavioral effects
  • Explain how and why psychologists use illusions
  • Apply the Ebbinghaus illusion to golf and describe Jessica Witt’s research
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