Predrag Petrovic, Karolinska Institutet (IMAGE) Karolinska Institutet Caption Scientists from Karolinska Institutet show that the affected brain areas in people with a clinical diagnosis are also affected in healthy individuals. "It is important to note that a diagnosis should not be seen as categorical, that you either have the condition or not. It should rather be seen as an extreme variant in the normal variability of the population", says Predrag Petrovic. Credit Ulf Sirborn/Karolinska Institutet Usage Restrictions None 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.