The mutism, negativism, motor abnormalities, and stupors of catatonic patients are not treatable in office settings. 71 Sadly, even in inpatient psychiatry settings, these
[ncbi.nlm.nih.gov]
[…] evidenced by catalepsy (including waxy flexibility) or stupor (2) excessive motor activity (that is apparently purposeless and not influenced by external stimuli) (3) extreme negativism
[dnalc.org]
[…] concept of avolition as a negative symptom, 18 Kraepelin viewed several features of catatonia, including mutism, stupor, automatic obedience, stereotypy, mannerisms, and negativism
[doi.org]