The Modified Rogers Scale It rates abnormalities in movement, volition, speech, and overall behaviour and aids in the distinction of catatonic signs from similar extrapyramidal side effects. It has eleven items, out of which three or more constitute a diagnosis of catatonic syndrome. Items The following are the items included in the Modified Rogers Scale. Stupor Mutism Negativism Opposition Posturing Catalepsy Automatic obedience Echophenomena Rigidity Verbigeration Withdrawal. For information on other scales used in catatonia, see Rating Scales for Catatonia .