Attentional modulation of external speech attribution in patients with hallucinations and delusions.

A range of psychological theories have been proposed to account for the experience of auditory hallucinations and delusions in schizophrenic patients. Most influential theories are those implicating the defective self-monitoring of inner speech. Some recent studies measured response bias independently of self-monitoring and found the results inconsistent with the defective self-monitoring model, but explained by an externalizing response bias.

Chiari I malformation in adults: epileptiform events and schizophrenia-like psychosis.

We would like to report on a very interesting clinical case of recurrent psychotic events caused with Chiari I malformation in adults. The mediosagital reconstruction of MR image of the brain and cranio-cervical region is the most important diagnostic approach in finding the cause of epileptiform events, neurological signs and psychotic illness caused by Chiari malformation.