Heart Beat: Portion distortion

Heart Beat

Portion distortion

Published: November, 2006

If you are trying to lose weight, let your eyes do some of the work. The Ebbinghaus-Titchener size-contrast optical illusion might help you choose smaller portions that can nudge your weight in the right direction.

In the illusion, identical circles (the white ones) look larger or smaller depending on what's around them. How can this help you eat, and be satisfied with, less food? The trick is in your kitchenware.

To continue reading this article, you must log in.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »