Causes of Babinski's Sign
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Neurological Disorders
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Babinski's reflex can be caused by neurological disorders affecting the brain, spinal cord and nervous system. For example, amyotrophic lateral sclerosis, also known as Lou Gehrig's disease, is a disease of the nerve cells in the brain and spinal cord which causes involuntary muscle movement, and is directly linked to people suffering from Babinski's reflex. Other neurological disorders which cause Babinski's sign include generalized tonic-clonic seizure, multiple sclerosis, stroke and syringomyelia.
Inherited Disorders
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Inherited disorders are a less common cause of Babinski's sign than other influences. Hypokalemic periodic paralysis, an inherited condition which causes episodes of extreme muscle weakness, can cause Babinski's reflex during a severe bout of paralysis. Another inherited disorder leading to Babinski's sign is Friedrich's ataxia, an inherited disease which affects the muscles and heart.
Illness or Infection
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Illness or infection can cause Babinski's reflex due to stress caused to the body. This happens in some severe cases of meningitis, a viral or bacterial infection which causes an inflammation of the membranes that cover the brain and spinal cord. Other illnesses or infections leading to Babinski's reflex include a brain or spinal cord tumor, hepatic encephalopathy, pernicious anemia, poliomyelitis, rabies and tuberculous arthritis.
Injury
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When severe injury to the body effects neurological function Babinski's reflex has the potential to occur. Head trauma, which has a high likelihood of damaging the brain, may cause Babinski's reflex. The reflex may also occur as a result of spinal cord injury.
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