Objective : This study was performed to confirm the hypothesis that the more one applies positive thinking, the less severe the symptoms of stress and the better the therapeutic responsein panic disorder and major depressive disorders. Methods : The study included 50 subjects with confirmed diagnoses of panic disorder or major depressive disorders. Positive thinking was assessed using Positive thinking scale. Beck Depression Inventory was used as a subjective measure for depression, and to ensure an objective measure for depression and anxiety, the Hamilton Depression and Hamilton Anxiety rating scales were implemented. Results : The positive thinking scale measured at the initial visit had shown a strong negative correlation with objective depression. Although patients with a high level of positive thinking had shown a tendency to respond better to the treatment, as compared with those with a lower level, the differences were not statistically significant. Conclusion : Positive thinking is likely to ameliorate major depressive disorder, panic disorder-induced depression, and anxiety. Nevertheless, it was not possible to confirm the effects of positive thinking on the patients' treatment responses.
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