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  2. Psychogenic non-epileptic seizure - Wikipedia

    en.wikipedia.org/wiki/Psychogenic_non-epileptic...

    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 ...

  3. Non-epileptic seizure - Wikipedia

    en.wikipedia.org/wiki/Non-epileptic_seizure

    A provoked (or an un-provoked, or an idiopathic) seizure must generally occur twice before a person is diagnosed with epilepsy. When used on its own, the term seizure usually refers to an epileptic seizure. The lay use of this word can also include sudden attacks of illness, loss of control, spasm or stroke. [4]

  4. Transient epileptic amnesia - Wikipedia

    en.wikipedia.org/wiki/Transient_epileptic_amnesia

    Seizures in TEA patients commonly occur upon waking suggesting a link between TEA and sleep. It is possible that abnormal electrical activity during sleep disrupts the process of memory consolidation which normally occurs when we sleep. On-going subclinical seizure activity has implications for theories of memory consolidation, discussed below.

  5. SYT1-associated neurodevelopmental disorder - Wikipedia

    en.wikipedia.org/wiki/SYT1-associated...

    Patients present with neurodevelomental impairments and symptoms including: [1] Infantile hypotonia; Congenital ophthalmic abnormalities; Childhood onset hyperkinetic movement disorder; Stereotypical motor behaviour; Moderate to profound developmental delay or intellectual disability; Sleep disturbance; Episodic agitation

  6. Spike-and-wave - Wikipedia

    en.wikipedia.org/wiki/Spike-and-wave

    Absence seizures are generalized epileptic seizures that can be divided into two types, typical and atypical. Typical and atypical absence seizures display two different kinds of spike-and-wave patterns. Typical absence seizures are described by generalized spike-and-wave patterns on an EEG with a discharge of 2.5 Hz or greater.

  7. Neurological disorder - Wikipedia

    en.wikipedia.org/wiki/Neurological_disorder

    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 ...

  8. Gray matter heterotopia - Wikipedia

    en.wikipedia.org/wiki/Gray_matter_heterotopia

    The condition causes a variety of symptoms, but usually includes some degree of epilepsy or recurring seizures, and often affects the brain's ability to function. Symptoms vary in severity; the condition is occasionally discovered as an incidentaloma when brain imaging performed for an unrelated problem and has no apparent ill effect on the ...

  9. Landau–Kleffner syndrome - Wikipedia

    en.wikipedia.org/wiki/Landau–Kleffner_syndrome

    Seizures, especially during the night, are a heavily weighted indicator of LKS. The prevalence of clinical seizures in acquired epileptic aphasia (LKS) is 70–85%. In one third of patients, only a single episode of a seizure was recorded. The seizures typically appear between the ages of 4 and 10 and disappear before adulthood (around the age ...

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