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Related Concept Videos

Seizures: Classification01:13

Seizures: Classification

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Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
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Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
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Reflex Activity01:08

Reflex Activity

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A reflex activity is an automatic, involuntary response to specific stimuli. It is a part of our survival mechanism, designed to protect us from potential harm. For example, when a bright light suddenly shines into our eyes, we instinctively close them or look away. This is a simple reflex activity orchestrated by the nervous system without conscious thought or effort.
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
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Somatic Spinal Reflexes01:22

Somatic Spinal Reflexes

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Somatic spinal reflexes are rapid, involuntary muscular responses to external stimuli that involve the somatic musculature and the spinal cord.
One of the most well-known somatic spinal reflexes is the stretch reflex, which is activated by the sudden stretching of a muscle. This reflex involves the activation of specialized sensory receptors called muscle spindles, which are located in the muscle tissue and detect changes in the length and speed of muscle contractions. When a muscle is suddenly...
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Related Experiment Video

Updated: Dec 14, 2025

Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
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Location-specific reflex epilepsy: a novel reflex epilepsy phenotype.

A Whelehan1, M Colfer1, H Kearney1,2,3,4

  • 1Department of Neurology, Beaumont Hospital, Dublin 9, Ireland.

Epilepsy & Behavior Reports
|July 17, 2020
PubMed
Summary

Reflex epilepsies are rare seizure disorders triggered by specific stimuli. This study details a unique case of location-specific reflex epilepsy linked to higher cortical function, potentially a novel phenotype.

Area of Science:

  • Neurology
  • Epileptology
  • Neuroscience

Background:

  • Reflex epilepsies are characterized by seizures provoked by specific stimuli.
Keywords:
EpilepsyReflexSeizureTrigger

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  • Triggers can be diverse, encompassing motor, sensory, or cognitive activities.
  • Existing literature describes heterogeneous phenotypes of reflex epilepsies.