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PNES episodes can be difficult to distinguish from epileptic seizures without the use of long-term video EEG monitoring.Some characteristics which may distinguish PNES from epileptic seizures include gradual onset, out-of-phase limb movement (in which left and right extremities jerk asynchronously or in opposite directions, as opposed to rhythmically and simultaneously as in epileptic seizures ...
Non-epileptic seizures (NES), also known as pseudoseizures, non-epileptic attack disorder (NEAD), functional seizures, or dissociative seizures, are paroxysmal events that appear similar to an epileptic seizure, but do not involve abnormal, rhythmic discharges of neurons in the brain. [1]
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 February 2025. The following is a list of mental disorders as defined at any point by the Diagnostic and Statistical Manual of Mental Disorders (DSM) or the International Classification of Diseases (ICD). A mental disorder, also known as a mental illness, mental health condition, or psychiatric ...
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. [18] [19] [20] [21]
Symptoms of conversion disorder usually occur suddenly. Conversion disorder was typically observed in people ages 10 to 35, [7] affecting between 0.011% and 0.5% of the general population. [8] Conversion disorder presented motor or sensory symptoms including: Motor symptoms or deficits: Impaired coordination or balance
It is a type of pain seizure that can remain isolated or be followed by other manifestations of the seizure. [3] On the other hand, a ictal non-epileptic headache is a headache that occurs during a seizure but it is not due to an epileptic mechanism. When the headache does not occur in the vicinity of a seizure, it is defined as inter-ictal ...
Seizure prediction is a special case of seizure detection in which the developed systems are able to issue a warning before the clinical onset of the epileptic seizure. [ 76 ] [ 78 ] Computational neuroscience has been able to bring a new point of view on the seizures by considering the dynamical aspects.
Because epileptic seizures typically include convulsions, the term convulsion is often used as a synonym for seizure. [1] However, not all epileptic seizures result in convulsions, and not all convulsions are caused by epileptic seizures. [1] [2] Non-epileptic convulsions have no relation with epilepsy, and are caused by non-epileptic seizures. [1]