.png)
Objective: In this study, it has been aimed to investigate the relationship among the types of delusions and sociodemographic and clinical characteristics of patients with manic attack with psychotic features (bipolar affective disorder-BAD). Methods: This study was conducted with 105 patients with schizophrenia and 72 patients with BAD manic attack with psychotic features between in February 1st 2011 and February 1st 2012, in Osmangazi University, Medical School in Eskisehir, in Turkey. The first researcher has been interviewed with all patients face-to-face and has been applied to patients the Structured Clinical Interview for DSM-IV Axis I Disorders, Standardized Mini Mental Test, and Psychosocial and Environmental Problems Questionnaire. Every patient has been filled up the Sociodemographic and Clinical Information Form. SPSS 18.0 package program was used in the analysis of data. SPSS 18.0 package program was used in the analysis of data. Results: Persecution delusion was the most prevalent seen (n=136, 76.8%). The ratio of persecution delusion in patients with schizophrenia was 85.7% (n=90), and 63.9% (n=46) in patients with BAD. Reference delusion was in the second frequency (n=86, 48.6%). The ratio of reference delusion in patients with schizophrenia was 55.2% (n=58), and 38.9% (n=28) in patients with BAD, and the difference between two groups was found to be significant statistically. Grandiose delusion was in the third frequency (n=50, 28.2%); The ratio of grandiose delusion in patients with schizophrenia was 21.0% (n=22), and 38.9% (n=28) in patients with BAD, and the difference between two groups was found to be significant statistically. It was found to be significant relation between gender and grandiose and jealousy delusions, and between mothers age and religious/mystical delusions in patients with schizophrenia. It was found to be significant relation between age and grandiose delusion, and between mothers education duration and grandiose and jealousy delusions in patients with BAD. Conclusions: Schizophrenia has hallucination, delusion, disorganized behavior; and it is similar to manic attack with psychotic feature as clinically. The sociocultural factors have influence on the type and content of delusions. It is not avoided that the differences among studies that investigated the types of delusions are seen in BAD manic attack with psychotic features without use favorable scale. There is a few study in this issue therefore it is difficult that to identify the cultural differences of delusions. Key words: [Anadolu Psikiyatri Derg 2013; 14(4.000): 291-301]