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Common Conditions and Diseases of the Nervous System

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Term
Definition
Alzheimer's disease   chronic mental disorder of dementia and progressive disorientation  
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amyotrophic lateral sclerosis (ALS)   degeneration of the spinal cord and muscular weakness and atrophy  
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aphasia   unable to speak  
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asthenia   loss of strength, extreme weakness  
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astrocytoma   tumor of the brain or spinal cord  
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ataxia   loss of muscle coordination  
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Bell's palsy   one-sided facial paralysis  
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bradykinesia   slow movement  
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brain tumor   intracranial mass that can be benign or malignant  
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cephalgia   headache  
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cerebral palsy (CP)   nonprogressive paralysis resulting from defect or trauma to the brain at the time of birth  
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cerebrovascular accident (CVA)   stroke, loss of blood supply to an area of the brain, loss of function depends on location and size of damage in the brain  
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chorea   involuntary twitching of muscles  
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coma   abnormal deep sleep  
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concussion   injury to the brain from a blow or impact from an object  
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contusion   injury to the brain causing bruising to the brain  
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convulsion   severe involutary muscle tremors  
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craniocele   protusion of the brain from within the skull  
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degenerative disc disease   wearing away of invertebral disc causing spinal stenosis  
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dementia   progressive impairment of the thought process and loss of memory  
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dysphagia   impairment of speech  
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encephalitis   inflammation of the brain due to disease  
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encephalocele   protrusion of the brain through the cranial cavity  
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encephalosclerosis   hardening of the brain  
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epidural hematoma   mass of blood in the space outside the dura mater of the brain and spinal cord  
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epilepsy   disorder of the brain with convulsive seizures and a loss of consciousness can occur  
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Guillain-Barre Syndrome   acute progressive disease affecting the peripheral and spinal nerves  
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hematoma   mass of blood or swelling of the brain  
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hemiparesis   loss of movement on one side of the body  
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Huntington's chorea   disease of the CNS with progressive dementia and involuntary movements of parts of the body  
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hydrocephalus   accumulation of cerebrospinal fluid within the ventricles of the brain  
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insomnia   inablitiy to fall or stay asleep  
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meningioma   slow growing tumor in the meninges of the brain  
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meningitis   inflammation of the membranes of the brain and spinal cord from microorganisms  
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meningocele   congenital hernia, meninges protrude through an opening in the spinal column or brain  
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multiple sclerosis (MS)   inflammatory disease of the CNS with extreme weakness and numbness  
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myasthenia gravis   severe muscular weakness and fatigue  
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narcolepsy   chronic uncontrolled desire to sleep  
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neuritis   inflammation of a nerve or nerves  
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neuroblastoma   malignant hemorrhagic tumor that begins in the brain  
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Parkinson's disease   chronic disease of the nervous system with tremors, weakness, rigidity, and shuffling gait  
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Reye's syndrome   acute encephalopathy and organ damage from a viral infection  
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skull fracture   trauma causing bone fractures that may lead to temporary or permanent brain tissue damage  
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sleep apnea   periods of apnea during sleep  
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spina bifida   congenital defect, spinal cord is pushed out through an opening in the vertebra  
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subdural hematoma   mass of blood forming beneath the dura mater of the brain  
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transient ischemic attack (TIA)   temporary interference with the blood supply to the brain, may cause numbness, dizziness, and hemiparesis  
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