demonstrate 102 patients,62.7% were male. 51% having between 25-45 year old 84.3 lived in Bangkok and central region of Thailand More than 80% of patient are under graduate and 63.4% were less and need family or social support Most of samples were inpatient(81%). The main diagnosis was psychotic disorder 61.8%), follow by mixed psychosis(27.5%). For clinical course, 49% were chronic. 33.3% were intermittent and 17.6% were acute. 794% of cases were consulted and referred for EEG study_nom during inpatient admission. For EEG consulta ton reason. 82.2% were for ruling out epileptic disorder and the rest were for ruling out organe brain syndrome.