Comparison with Control (IMAGE) Radiological Society of North America Caption This image illustrates the direct comparison between the different groups. The biggest difference is present between stable controls and MCI, indicated in red-yellow, notably in the posterior cingulate cortex. The comparison of stable versus deteriorating controls (blue) shows differences in the same region yet less pronounced. The comparison between deteriorating controls and MCI revealed no significant differences. Credit Radiological Society of North America Usage Restrictions With credit License Licensed content 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.