... a "cardinal symptom"preceding and possibly causing schizophrenia.According to Chapman et al [7], there are two types ofanhedonia, physical anhedonia and social anhedonia.Physical ... Physical Anhedonia Scale, PANSS: Positive and Negative Syndrome Scale, EPSE: Rating Scale for Extrapyramidal Side-Effects, BARS: the Barnes Akathisia Rating Scale, AIMS: Abnormal Involuntary Movement ... (PANSS)[10,11], the Rating Scale for Extrapyramidal Side-Effects(EPSE) [12], the Barnes Akathisia Rating Scale (BARS)[13] and the Abnormal Involuntary Movement Scale(AIMS) [14,15]. The severity of depression...