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Positive features of dissociative or non-epileptic seizures include prolonged motionless unresponsiveness, long duration episodes (>2minutes) and symptoms of dissociation prior to the attack. These signs can be usefully discussed with patients when the diagnosis is being made.
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...
These symptoms are attributed to conversion disorder when a medical explanation for the conditions cannot be found. [7] Symptoms of conversion disorder usually occur suddenly. Conversion disorder is typically seen in people aged 10 to 35, [8] and affects between 0.011% and 0.5% of the general population. [9]
Cases involving these symptoms are classified as functional disorders ("functional" in this context is usually contrasted with the old term "organic disease"). For example, in functional neurologic disorder (FND), those affected present with various neurological symptoms such as functional seizures, numbness, paresthesia, and weakness, among ...
The number of people with PNES ranges from 2 to 33 per 100,000. [6] PNES are most common in young adults, particularly women. [6] The prevalence for PNES is estimated to make up 5–20% of outpatient epilepsy clinics; 75–80% of these diagnoses are given to female patients and 83% are to individuals between 15 and 35 years old.
Single symptoms may be assigned a diagnostic label, such as "functional chest pain", "functional constipation" or "functional seizures". Characteristic collections of symptoms might be described as one of the functional somatic syndromes. [2] A syndrome is a collection of symptoms. Somatic means 'of the body'.
About 936 million adults around the world have sleep apnea. Past studies show that sleep apnea can increase a person’s risk for several conditions, including neurological diseases such as ...
Nervous system diseases, also known as nervous system or neurological disorders, refers to a small class of medical conditions affecting the nervous system.This category encompasses over 600 different conditions, including genetic disorders, infections, cancer, seizure disorders (such as epilepsy), conditions with a cardiovascular origin (such as stroke), congenital and developmental disorders ...