Delusions are fixed beliefs that do not change, even when a person is presented with conflicting evidence. Delusions are considered "bizarre" if they are clearly implausible and peers within the same ...

Rational beliefs are formed on the basis of solid evidence and are open for appropriate revision when emerging evidence makes them less likely to be true. In contrast, a person with a delusion will ...

People experiencing delusions during an episode of psychosis may be "living out" a deeply held emotion, according to new research that provides a "radically different perspective" on one of the most ...