Do people with Obsessive Compulsive Disorder have 'sticky brains'?

Obsessive Compulsive Disorder (OCD) is a common psychological problem that affects around 400,000 Australians (2% of the population). People with OCD experience repetitive and uncontrollable thoughts, images or fears which generate severe distress, commonly anxiety or guilt. They cope with their distress by performing repetitive compulsive behaviours or thought rituals. Common obsessions include a fear of dirt or contamination, fear of harming another or being responsible for something terrible happening. Common compulsions include washing and cleaning, checking, counting, ordering, and hoarding. To the observer, these symptoms are meaningless, excessive, and sometimes bizarre. However, to the sufferer the time...