Convex/concave objects (IMAGE) NIH/National Eye Institute Caption Decision-signals about feature information, like object depth, are broadcast widely in the visual cortex via feedback during visual decision-making. Credit National Eye Institute Usage Restrictions No restrictions. License Public Domain 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.