They include repeated falls, syncope, transient loss of consciousness, systematized delusions, and hallucinations in other modalities.
Outside of these limits they produce imaginary objects, ahistoric delusions.
They were also significantly more likely to experience various delusions, including delusions of persecution and influence, and auditory hallucinations.
Interestingly, the patients who were not currently deluded performed worse on the autobiographical incidents section of the task compared to those with active delusions.
Using the example of delusions of control he explores the subjective feeling of ' agency ' and uses studies on motor control to postulate the neural correlates.
Paranoid delusions and auditory hallucinations were the predominant features, with formal thought disorder, catatonic features and negative symptoms being uncommon.
No subject reported any history of mania, delusions, or hallucinations.
Finally, support for a neurobiological contribution to the development of delusions has recently been reported.
