Keywords: مقیاس ارزیابی عصبی; SZ; Schizophrenia; BD; Bipolar disorder; HC; Healthy controls; NSS; Neurological Soft Signs; CSS; Cerebellar Soft Signs; NES; Neurological Evaluation Scale; ICARS; International Cooperative Ataxia Rating Scale; CNI; Cambridge Neurological Inventory; fMRI;