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Diagnosis of blepharospasm has been enhanced by the proposal of objective diagnostic criteria that start from "stereotyped, bilateral and synchronous orbicularis oculi spasms" and proceed to the identification of a "sensory trick" or "increased blinking". [38] The criteria have been validated across multiple ethnicities in multiple centers. [39]
Another example is blinking to relieve an uncomfortable sensation in the eye. Some people with tics may not be aware of the premonitory urge. Children may be less aware of the premonitory urge associated with tics than are adults, but their awareness tends to increase with maturity. [12] Complex tics are rarely seen in the absence of simple tics.
Tourette syndrome or Tourette's syndrome (abbreviated as TS or Tourette's) is a common neurodevelopmental disorder that begins in childhood or adolescence. It is characterized by multiple movement (motor) tics and at least one vocal (phonic) tic.
Echopraxia is a typical symptom of Tourette syndrome but causes are not well elucidated. [1]Frontal lobe animation. One theoretical cause subject to ongoing debate surrounds the role of the mirror neuron system (MNS), a group of neurons in the inferior frontal gyrus (F5 region) of the brain that may influence imitative behaviors, [1] but no widely accepted neural or computational models have ...
Feeling soft or otherwise enjoyable textures is a common form of stimming. Self-stimulatory behavior, also known as "stimming" [1] and self-stimulation, [2] is the repetition of physical movements, sounds, words, moving objects, or other behaviors.
In animals, including humans, the startle response is a largely unconscious defensive response to sudden or threatening stimuli, such as sudden noise or sharp movement, and is associated with negative affect. [1]
Scientists have discovered a mysterious pulsating light—and they don’t know what it could be. It pulses at a rate of about once every 21 minutes, and has been doing so since at least 1988.
Autistic meltdown describes an intense, often uncontrollable response to an overwhelming situation experienced by some autistic individuals.. Angry outbursts in autistic people have been referred to as meltdowns that manifest as an intense reaction, [1] but such outbursts are different to true meltdowns, which always take some time to recover from. [2]