Depression alters visual processing, study suggests
Fox News
Individuals battling major depressive episodes were found to have abnormal visual processing, according to a Finnish study suggesting altered perception involves changes in the cerebral cortex.
The team of researchers from the University of Helsinki conducted two visual tests, and participants reported back the brightness and contrast of simple visual patterns. The team followed up with 74 patients after seven months and ran repeat measurements. "What came as a surprise was that depressed patients perceived the contrast of the images shown differently from non-depressed individuals," said Viljami Salmela, Academy of Finland research fellow and corresponding study author, in a related release.
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