lip pursing

a facial contortion in which the lips protrude in a manner that resembles pouting or a snout. First described (as Schnauzkrampf) by German psychiatrist Karl Ludwig Kahlbaum (1828–1899), it is most commonly associated with catatonic schizophrenia.

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Psychology term of the day

May 8th 2024

axiom

n. in logic and philosophy, a universally accepted proposition that is not capable of proof or disproof. An axiom can be used as the starting point for a chain of deductive reasoning. Also called postulate. [from Greek axioma, “worthy thing”] —axiomatic adj.