Related Experiment Video
Updated: May 27, 2026

Behavioral And Physiological Analysis In A Zebrafish Model Of Epilepsy
Published on: October 19, 2021
From migraine to epilepsy: a threshold mechanism?
Filippo Dainese1, Federico Mainardi, Giorgio Zanchin
1Neurological Division, Epilepsy Centre, Campo SS Giovanni and Paolo Hospital, 30120 Venice, Italy. fdainese@gmail.com
A patient experienced visual disturbances evolving from migraine aura to visual seizures, suggesting a shift in cortical hyperexcitability. This progression highlights a potential link between migraine and epilepsy development.
Area of Science:
- Neurology
- Clinical Neuroscience
- Epileptology
Background:
- Migraine with aura is a common neurological disorder characterized by transient sensory disturbances.
- Epilepsy is a chronic neurological disorder defined by recurrent seizures.
- Cortical hyperexcitability is a proposed underlying mechanism for both conditions.
Observation:
- A 67-year-old male presented with transient visual blurring and headache, consistent with migraine aura.
- Two weeks later, the patient reported recurrent visual disturbances described as spinning, round, brown images, indicative of visual seizures.
- Video-electroencephalography (EEG) correlated these episodes with seizure activity.
Findings:
- The patient's clinical presentation demonstrated a clear evolution from migraine aura to epileptic seizures.
- Video-EEG confirmation provided objective evidence of seizure activity coinciding with the reported visual phenomena.
- The observed progression suggests a modification in the threshold of cortical hyperexcitability.
Implications:
- This case supports the hypothesis that migraine may evolve into epilepsy due to altered cortical excitability.
- Understanding this transition can inform diagnostic and therapeutic strategies for patients with complex neurological symptoms.
- Further research into the relationship between migraine and epilepsy is warranted to elucidate shared pathophysiological mechanisms.
Related Concept Videos
Epilepsy and Seizures: Overview
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Seizures l: Introduction
Epilepsy ll: Types
Seizures: Classification
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:
Antiepileptic Drugs: Glutamate Antagonists
Antiepileptic Drugs: GABAergic Pathway Potentiators
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...

