Physicists at the University of California, San Diego have discovered a neural circuit in rats that could provide a powerful model for understanding a neurological condition known as ...

Blepharospasm describes a condition where a person experiences an involuntary spasm of the muscles surrounding the eyelid. “Blepharo” refers to the eyelids, while “spasm” describes twitching of the ...

Robert Graham said he tried not to panic when his eyes shut closed one morning, leaving him unable to do most of his daily tasks. Hoping his symptoms would be temporary, he went about his life until ...

The blink reflex is a conserved brainstem circuit that protects the eye from sudden stimuli, comprising an early oligosynaptic R1 component and a later polysynaptic R2 response. Beyond its basic ...

Blepharospasm is the medical name for a twitching eyelid. The name comes from the words “blepharal,” which means relating to the eyelid, and “spasm,” which is an involuntary muscle contraction.

Benign essential blepharospasm (BEB), a form of focal dystonia, is a disorder of involuntary spasms involving the eyelid protractor muscles. First reported in Western medical literature in 1857, BEB ...