catatonia

/ˌkætəˈtoʊniə/

cata·to·nia

BrE /ˌkætəˈtəʊniə/

NAmE /ˌkætəˈtoʊniə/

[U] (medical)

a condition resulting from a mental illness, especially schizophrenia, in which a person does not move for long periods