considering questions of bear in mind the etiology and clinical incurrence or aggravation in course of each separate disease. service considering conditions of consider both the circumstances of infectious origin infection and the incubation period. determining aggravation for be aware that increased symptomatology conditions such as multiple over a period of a few months may reflect sclerosis, progressive muscular natural progression of the disease. Base atrophy, and myasthenia gravis determinations on the developed medical evidence of record. b Identifying Seizures must be witnessed verified by a physician to warrant service or Epilepsy connection (SC) for epilepsy. Verification may be by an electroencephalogram (EEG), which measures electrical activity in the brain. A physician does not have to witness an actual seizure before a diagnosis of epilepsy can be accepted for evaluation purposes. Verification by a physician based upon factors other than observing an actual seizure is sufficient. For more information on References: identifying epilepsy, see , and psychomotor epilepsy, see . c. Evaluating Progressive muscular atrophy, , refers to progressive spinal muscular atrophy, Progressive which is a disease of the spinal cord. Spinal Muscular Progressive muscular atrophy is subject to presumptive SC because it is Atrophy an organic disease of the nervous system. d. Other For purposes of establishing presumptive SC under , the term other organic Organic includes any commonly recognized diseases of the nervous system Diseases of the neurological disease which is not otherwise specifically enumerated under . Nervous System This includes, the following conditions: but is not limited to, Under 38 CFR 3.309(a) carpal tunnel syndrome migraine headaches sensorineural hearing loss glaucoma progressive spinal muscular atrophy diseases of the cranial nervous system cranial nerve conditions, and peripheral nerve conditions. If is uncertainty as to whether or not a claimed disability Important: may be considered as an organic disease of the nervous system for purposes
considering questions of incurrence or aggravation in service bear in mind the etiology and clinical course of each separate disease. considering conditions of infectious origin consider both the circumstances of infection and the incubation period. determining aggravation for conditions such as multiple sclerosis, progressive muscular atrophy, and myasthenia gravis be aware that increased symptomatology over a period of a few months may reflect natural progression of the disease. Base determinations on the developed medical evidence of record. b Identifying Epilepsy Seizures must be witnessed or verified by a physician to warrant service connection (SC) for epilepsy. Verification may be by an electroencephalogram (EEG), which measures electrical activity in the brain. A physician does not have to witness an actual seizure before a diagnosis of epilepsy can be accepted for evaluation purposes. Verification by a physician based upon factors other than observing an actual seizure is sufficient. References: For more information on identifying epilepsy, see , and psychomotor epilepsy, see . c. Evaluating Progressive Spinal Muscular Atrophy Progressive muscular atrophy, , refers to progressive spinal muscular atrophy, which is a disease of the spinal cord. Progressive muscular atrophy is subject to presumptive SC because it is an organic disease of the nervous system. d. Other Organic Diseases of the Nervous System Under 38 CFR 3.309(a) For purposes of establishing presumptive SC under , the term other organic diseases of the nervous system includes any commonly recognized neurological disease which is not otherwise specifically enumerated under . This includes, but is not limited to, the following conditions: carpal tunnel syndrome migraine headaches sensorineural hearing loss glaucoma progressive spinal muscular atrophy diseases of the cranial nervous system cranial nerve conditions, and peripheral nerve conditions. Important: If is uncertainty as to whether or not a claimed disability may be considered as an organic disease of the nervous system for purposes
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