According to Sherrington model of decerebrate rigidity is characterised by all except
A key feature of this decerebrate animal was that when the dorsal roots of spinal cord were cut ( differentiation ) the rigidity disappeared, showing that the cause of rigidity was a hyperactive stretch reflex in the antigravity muscles. (REF: TEXTBOOK OF MEDICAL PHYSIOLOGY GUYTON AND HALL, 12e Page no 779)