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causes of upper motor neuron lesion

A 53-year-old member asked:
Dr. Bert Liang
Specializes in Neurology
Extensor respons: The presence of a Babinski sign suggests an upper motor neuron lesion, although in infants the presence of the dorsiflexion of the great toe with plan ... Read More

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A 21-year-old member asked:
Dr. Gamal Boutros
39 years experience Neurology
RELEASE PHENOMENA: The brain inhibit the babinski sign by controlling the lower neuron--when the corticospinal tract is injured(umnl)there is a release.
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Dr. William Goldie
48 years experience Pediatric Neurology
Higher brain centers: Babies normally have babinski responses but lose it as they mature. The response remains deep in the brain and spinal cord but is suppressed by the h ... Read More
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A 22-year-old female asked:
Dr. Phillip Goebel
16 years experience Emergency Medicine
Neurologist: The physical exam findings will be more difficult to see, but a neurologist will be able to examine the patient and might elect to do testing such as ... Read More
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A 21-year-old female asked:
Dr. Bennett Machanic
52 years experience Neurology
Variable, but: Typical results of a stroke affecting brainstem and rostral structures, could see focal weakness over unilateral arm and leg, with possible problem wi ... Read More
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A 22-year-old female asked:
Dr. Adam Lewis
35 years experience Neurosurgery
Scoliosis : If the paralysis, incontinence, and spasticity are new findings then there is likely compression on the spinal cord. See the surgeon who operated on y ... Read More
A 22-year-old female asked:
Dr. Allan Levine
44 years experience Orthopedic Surgery
Ct/MRI of what?: Was the "normal" MRI and ct before or after surgery and were those procedures done of the entire spine-including the cervical spine ? Highly recommen ... Read More
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A female asked:
Dr. Paul Grin
Dr. Paul Grin answered
36 years experience Pain Management
Lesion Localization: The upper motor neurons also called “Cortical Motor Neurons” are located in the motor cortex of the brain. The the spinal motor neurons are the lower ... Read More
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A 45-year-old member asked:
Dr. Djamchid Lotfi
58 years experience Neurology
Unknown: In the etiology of this disease toxic substances (like heavy metals, specific chemicals) infectious e.g. Viral) genetic and environmental factors hav ... Read More
A 18-year-old female asked:
Dr. Mark Fisher
34 years experience Neurology
Maybe, if...: ... you're a lab rat being given huge doses. No evidence caffeine is "neurotoxic" in us. "Neurotoxicity" used as you are using it is like saying your ... Read More
A 39-year-old member asked:
Dr. Martin Tamler
33 years experience Physical Medicine and Rehabilitation
ALS: Nothing is known to be missing. Rather the nerves (motor neurons) just start dying. It is a degenerative process.

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