How Brains Perform Normalization by Precisely Balancing Two Equal and Opposite Forces (image) National Centre for Biological Sciences Share Print E-Mail Caption Despite more than a million fold difference in the light intensity, our brains enable us to see the same scene in broad daylight and a dim night by the process of normalization. This article shows how brains perform normalization by precisely balancing two equal and opposite forces - excitation and inhibition. Credit Hrishikesh Nambisan Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.