Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 4, 2026

A Cost-Effective and Minimally Invasive Protocol for Chronic Multi-Site Electroencephalography Recording in Freely Moving Mice

A Cost-Effective and Minimally Invasive Protocol for Chronic Multi-Site Electroencephalography Recording in Freely Moving Mice

Published on: October 10, 2025

How long shall we record electroencephalography?

L Craciun¹, E Gardella, J Alving

¹Department of Clinical Neurophysiology, Danish Epilepsy Centre, Dianalund, Denmark; Department of Neurology, Emergency University Hospital of Bucharest, Bucharest, Romania.

Acta Neurologica Scandinavica

|January 10, 2014

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Cook4Keto: Bridging culinary expertise and clinical practice to improve adherence to ketogenic diet therapy in drug-refractory epilepsy.

Epileptic disorders : international epilepsy journal with videotape·2026

Same author

Level of consciousness, wakefulness and responsiveness in epileptic seizures.

Revue neurologique·2026

Same author

[Effectiveness of peripheral nerve blockade in pain management for patients undergoing anterior cruciate ligament reconstruction: a retrospective observational study].

Acta ortopedica mexicana·2025

Same author

Learn how to interpret and use intracranial EEG findings.

Epileptic disorders : international epilepsy journal with videotape·2023

Same author

Neurocognitive profile in patients with idiopathic generalized epilepsies: Differences between patients, their biological siblings, and healthy controls.

Epilepsy & behavior : E&B·2023

Same author

Corrigendum to "Clinical utility of EEG in diagnosing and monitoring epilepsy in adults" [Clin. Neurophysiol. 129 (2018) 1056-1082].

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2022

Same journal

Editorial.

Acta neurologica Scandinavica·2022

Same journal

Advances in sudden unexpected death in epilepsy.

Acta neurologica Scandinavica·2022

Same journal

Non-convulsive seizures and non-convulsive status epilepticus in neuro-intensive care unit.

Acta neurologica Scandinavica·2022

Same journal

Positron emission tomography in autoimmune encephalitis: Clinical implications and future directions.

Acta neurologica Scandinavica·2022

Same journal

Seizure detection based on wearable devices: A review of device, mechanism, and algorithm.

Acta neurologica Scandinavica·2022

Same journal

Walking confidence and perceived locomotion ability explain participation after stroke: A cross-sectional experimental study.

Acta neurologica Scandinavica·2022

See all related articles

For epilepsy diagnosis, electroencephalography (EEG) recordings should be at least 20 minutes for awake sessions and 30 minutes for sleep sessions to optimize abnormality detection.

Area of Science:

Clinical Neurophysiology
Epileptology

Background:

Electroencephalography (EEG) recording duration varies significantly across clinical settings.
Existing recommendations lack direct empirical evidence regarding optimal EEG duration.

Purpose of the Study:

To evaluate the impact of EEG recording duration on the detection of interictal abnormalities.
To establish evidence-based recommendations for EEG duration in epilepsy assessment.

Main Methods:

Retrospective analysis of 1005 electroencephalography (EEG) recordings.
Determination of the minimum recording duration required for identifying interictal EEG abnormalities.

Main Results:

Standard awake EEG recordings under 20 minutes showed significantly fewer abnormal findings compared to longer durations.

Keywords:

duration epilepsy interictal sleep standard

More Related Videos

A Method for Tracking the Time Evolution of Steady-State Evoked Potentials

A Method for Tracking the Time Evolution of Steady-State Evoked Potentials

Published on: May 25, 2019

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI

Published on: March 19, 2021

Related Experiment Videos

Last Updated: May 4, 2026

A Cost-Effective and Minimally Invasive Protocol for Chronic Multi-Site Electroencephalography Recording in Freely Moving Mice

A Cost-Effective and Minimally Invasive Protocol for Chronic Multi-Site Electroencephalography Recording in Freely Moving Mice

Published on: October 10, 2025

A Method for Tracking the Time Evolution of Steady-State Evoked Potentials

A Method for Tracking the Time Evolution of Steady-State Evoked Potentials

Published on: May 25, 2019

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI

Published on: March 19, 2021

Sleep EEG recordings did not demonstrate significant diagnostic yield improvement beyond 30 minutes.

Increasing awake EEG duration from 30 to 180 minutes showed a trend towards increased diagnostic yield, but not statistically significant.

Conclusions:

A minimum recording duration of 20 minutes is recommended for standard awake EEGs in epilepsy evaluations.
A minimum recording duration of 30 minutes is recommended for sleep EEG recordings in epilepsy evaluations.
Findings are specific to epilepsy indications and patients referred to a tertiary epilepsy center.