corrugator muscle


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cor·ru·ga·tor su·per·ci·li·i (mus·cle)

[TA]
facial muscle of forehead; origin, from orbital portion of musculus orbicularis oculi and nasal prominence; insertion, skin of eyebrow; action, draws medial end of eyebrow downward and wrinkles forehead vertically, conveying facial expression of deep thought, worry, or concern; nerve supply, facial.
Synonym(s): musculus corrugator supercilii [TA], Coiter muscle, corrugator muscle, wrinkler muscle of eyebrow

corrugator muscle

Facial muscle. Origin: medial part of supraorbital margin. Insertion: skin above middle of eyebrow. Nerve: facial (CN VII). Action: pulls eyebrows toward midline and downward.
Synonym: Corrugator supercilii
See also: muscle
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References in periodicals archive ?
It is possible that a controlled processing mode was engaged to some degree by virtue of aesthetic instructions and corrugator muscle feedback, with the increase in cognitive effort and top-down control affecting preference judgments for the photographs.
Preference for visual art as a function of cognitive effort
The use of the electromyography instrument connected to the delivery needle appears to be an effective means of assuring that BTX is delivered accurately into the body of the corrugator muscles.
Botulinum A exotoxin for glabellar folds: a double-blind, placebo-controlled study with an electromyographic injection technique
The males had only one facial EMG peak that approached significance (F(1,23) = 3.49, p [less than] .080), and that was for the corrugator muscle at 10 to 12 seconds, which coincides exactly with the time period when the attractive opposite-sex model is removed from the screen and is replaced with a detailed full-screen view of an eye liner brush.
Emotional Response to Television Commercials: Facial EMG vs. Self-Report

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