Medically reviewed by Brigid Dwyer, MD Key Takeaways Involuntary muscle movements happen when your body moves without you intending it, like with tics or tremors.  The causes of involuntary movements ...

Tourette syndrome involves involuntary motor and vocal tics that are widely misunderstood. Learning what the condition looks ...

Eye twitching, medically termed myokymia, is a frequent condition experienced by many people. While it is usually harmless, caused by stress, fatigue, lack of sleep, or excessive caffeine, persistent ...

Emerging evidence shows that small involuntary eye movements (saccades and microsaccades) are a promising new tool for shedding light on the hidden workings of mental processes like attention and ...

A company from Utah is gaining recognition with a new tech they assure can detect lies in 15 to 30 minutes by analyzing involuntary eye movement. From TV series like "Lie to Me" — based on clinical ...

image: Your eyes on the move: When you stare at the central black dot for about a minute and then look at the white dot next to it, you will notice a dark afterimage of the white grid, which -- as a ...

Recent investigations in vision science have revealed that eye movements play an active role beyond the mere stabilization of retinal images. Instead of serving a passive function, subtle ocular ...