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A tic a repeated, impulsive action, reflexive in nature, which the actor feels powerless control or avoid. Only when the individual performs the tic, tension and anxiety released within the individual with tic disorder. Tics can be triggered by an emotional state sensation, or can happen for no obvious reason. General types tics include verbal tics, facial tics, other muscular tics. Physical and psychological therapy and medication cause tics to go away, often permanently. Muscular tics look something like twitches or quick grimaces, often affect the eyes and hands. Muscular tics can affect multiple muscles at once. Some forms of stuttering are caused by muscular tics in the throat, tongue, or vocal cords when speaking or preparing to speak.
