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A drawing by Konrad Lorenz showing facial expressions of a dog. The grimace scale (GS), sometimes called the grimace score, is a method of assessing the occurrence or severity of pain experienced by non-human animals according to objective and blinded scoring of facial expressions, as is done routinely for the measurement of pain in non-verbal humans.
Tardive dyskinesia (TD) is an iatrogenic disorder that results in involuntary repetitive body movements, which may include grimacing, sticking out the tongue or smacking the lips, [1] which occurs following treatment with medication. [6] [7] Additional motor symptoms include chorea or athetosis. [1]
A type of facial expression usually of disgust, disapproval, or pain; Grimace (composer), a French composer active in the mid-to-late 14th century; Grimace (character), a McDonaldland marketing character developed to promote the restaurant's milkshakes; Grimace scale, a method of assessing the occurrence or severity of pain
An emoji representation of the Wong-Baker scale. The Wong–Baker Faces Pain Rating Scale is a pain scale that was developed by Donna Wong and Connie Baker. The scale shows a series of faces ranging from a happy face at 0, or "no hurt", to a crying face at 10, which represents "hurts like the worst pain imaginable".
The flehmen response (/ ˈ f l eɪ m ən /; from German flehmen, to bare the upper teeth, and Upper Saxon German flemmen, to look spiteful), also called the flehmen position, flehmen reaction, flehmen grimace, flehming, or flehmening, is a behavior in which an animal curls back its upper lip exposing its front teeth, inhales with the nostrils usually closed, and then often holds this position ...
To start, the researchers had an artist create 27 different smiles on a computer-animated face. The smile's angle, width, toothiness, and degree of crookedness varied across each face.
Risus sardonicus or rictus grin is a highly characteristic, abnormal, sustained spasm of the facial muscles that appears to produce grinning. It may be caused by tetanus , [ 1 ] [ 2 ] strychnine poisoning , or Wilson's disease , and has been reported after execution by hanging .
Indications of dystonic spasms include platysma spasms, mouth corner retractions, tongue dyskinesia, bruxism, lip pursing or sucking, facial grimacing, and nasal contractions. [1] Breathing issues or dysarthria are also infrequently reported. [8] The onset of symptoms is more common in women and typically occurs between the ages of 40 and 70.