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Related Concept Videos

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Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
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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.
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Antiepileptic drugs, such as levetiracetam (Keppra) and brivaracetam (Briviact), have emerged as crucial tools in managing epilepsy. These medications exert their therapeutic effects by targeting the synaptic vesicle protein SV2A, a transmembrane glycoprotein primarily found in the brain.
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Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
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Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
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Related Experiment Video

Updated: Jul 18, 2025

Electroconvulsive Seizures in Rats and Fractionation of Their Hippocampi to Examine Seizure-induced Changes in Postsynaptic Density Proteins
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Electroconvulsive therapy and seizure: a double-edged sword?

Hye-Rim Shin1, Minah Kim2, Kyung-Il Park3,4

  • 1Department of Neurology, Dankook University Hospital, Cheonan, Korea.

Encephalitis (Seoul, Korea)
|August 25, 2023
PubMed
Summary

Electroconvulsive therapy (ECT) can induce seizures but typically does not cause epilepsy. This review explores ECT

Keywords:
Electroconvulsive therapyEncephalitisSeizuresStatus epilepticusEpilepsy

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Epileptology

Background:

  • Electroconvulsive therapy (ECT) is a primary treatment for drug-resistant psychiatric disorders.
  • While ECT induces seizures, it rarely leads to prolonged seizures or epilepsy.
  • Paradoxically, ECT has been used to treat refractory status epilepticus.

Purpose of the Study:

  • To investigate the neurobiological mechanisms underlying epileptogenesis following ECT.
  • To explore the potential of ECT in managing hyperkinetic movement disorders and encephalitis symptoms.
  • To elucidate the anticonvulsant properties of ECT and its role in treating encephalitis.

Main Methods:

  • Systematic review of existing literature on ECT, epileptogenesis, and related neurological conditions.
  • Analysis of case reports and studies detailing prolonged seizures post-ECT.
  • Review of research on ECT's efficacy in treating status epilepticus, movement disorders, and encephalitis.

Main Results:

  • Evidence suggests ECT can, in rare instances, trigger prolonged seizures, necessitating further mechanistic studies.
  • ECT has demonstrated success in treating refractory status epilepticus, indicating complex modulatory effects on neuronal excitability.
  • Preliminary findings suggest ECT may offer therapeutic benefits for hyperkinetic movement disorders and psychiatric manifestations of encephalitis.

Conclusions:

  • The relationship between ECT and epileptogenesis is complex and warrants deeper investigation into neurobiological underpinnings.
  • ECT's anticonvulsant and anti-inflammatory properties present novel therapeutic avenues beyond traditional psychiatric indications.
  • Further research is crucial to fully understand and harness ECT's potential in neurological and psychiatric comorbidities.