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Alien hand syndrome ( AHS) or Dr. Strangelove syndrome[ 1] is a category of conditions in which a person experiences their limbs acting seemingly on their own, without conscious control over the actions. [ 2] There are a variety of clinical conditions that fall under this category, which most commonly affects the left hand. [ 3]
When a soldier points, he instinctively points at the feature on the object on which his eyes are focused. An impulse from the brain causes the arm and hand to stop when the finger reaches the proper position. When the eyes are shifted to a new object or feature, the finger, hand, and arm also shift to this point.
Classification. ALS is a motor neuron disease, which is a group of neurological disorders that selectively affect motor neurons, the cells that control voluntary muscles of the body. [ 3] Other motor neuron diseases include primary lateral sclerosis (PLS), progressive muscular atrophy (PMA), progressive bulbar palsy, pseudobulbar palsy, and ...
In people with Cushing syndrome, “too much cortisol leads to a more rounded face, pinkish red cheeks, thinner skin with easy bruises, a puffy neck, and a worsening upper back hump,” Dr. Ghalib ...
The detached retina was caused by a cancerous tumor that had wrapped around Hensley’s optic nerve. She was diagnosed with ocular melanoma that began when the freckle in the back of her eye ...
When you’re not up to getting too physical, there are other ways to give your hand-eye coordination a boost. Here are some options: Bouncing a ball. Playing catch. Playing video games. Learning ...
Emoji illustrating eye-rolling. Eye-rolling is a gesture in which a person briefly turns their eyes upward, often in an arcing motion from one side to the other. In the Anglosphere, it has been identified as a passive-aggressive response to an undesirable situation or person. The gesture is used to disagree or dismiss or express contempt for ...
Ocular dominance, sometimes called eye preference or eyedness, [ 1] is the tendency to prefer visual input from one eye to the other. [ 2] It is somewhat analogous to the laterality of right- or left- handedness; however, the side of the dominant eye and the dominant hand do not always match. [ 3] This is because both hemispheres control both ...