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ExploreLearning is a Charlottesville, Virginia -based company which operates a large library of interactive online simulations for mathematics and science education in grades 3–12 called 'Gizmos'. ExploreLearning also makes Reflex, an online, game-based system for math fact memorization. [1] ExploreLearning is a business unit of Cambium ...
People with oscillopsia describe symptoms like these: jumping, jittery, wobbly, or shimmering vision. blurred or fuzzy vision. trouble focusing. double vision. nausea. dizziness. vertigo, a ...
Hyporeflexia refers to a condition in which your muscles are less responsive to stimuli. If your muscles don’t respond at all to stimuli, this is known as areflexia. Your muscles may be so weak ...
Early symptoms will be similar to the flu, and they can develop over a matter of hours or even days. Symptoms include: sudden high fever. stiff neck. severe headache. nausea or vomiting. confusion ...
Muscle weakness. Loss of touch sensitivity in your fingers or toes. Unexplained pain. Paralysis or partial paralysis. Nerve damage can have a lot of causes, including illnesses and injuries. Some ...
The straight leg raise is a test that can be performed during a physical examination, with the leg being lifted actively by the patient or passively by the clinician. If the straight leg raise is done actively by the patient it is a test of functional leg strength, particularly the rectus femoris element of the quadriceps (checking both hip flexion and knee extension strength simultaneously).
Fencing response. The fencing response is an unnatural position of the arms following a concussion. Immediately after moderate forces have been applied to the brainstem, the forearms are held flexed or extended (typically into the air) for a period lasting up to several seconds after the impact. The fencing response is often observed during ...
The Babinski reflex — also called the plantar reflex — is a response to stimulation of the bottom of the foot. It can help doctors evaluate a neurological problem in people over age 2. If your ...