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 Videos

Electroencephalography as a diagnostic tool in dementia

¹Department of Clinical Neurophysiology, University Hospital, Lund, Sweden.

Dementia and Geriatric Cognitive Disorders

|March 1, 1997

Summary

Electroencephalography (EEG) effectively detects diffuse organic encephalopathy but has low specificity for diagnosis. Advanced EEG techniques may improve sensitivity and specificity in diagnosing dementia.

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

Time to epileptiform activity and EEG background recovery are independent predictors after cardiac arrest.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2018

Same author

SU-E-T-210: Surviving a Visit by the Radiological Physics Center.

Medical physics·2017

Same author

Epilepsy surgery in children with drug-resistant epilepsy, a long-term follow-up.

Acta neurologica Scandinavica·2013

Same author

Disturbed vibrotactile sense in finger pulps in patients with Type 1 diabetes--correlations with glycaemic level, clinical examination and electrophysiology.

Diabetic medicine : a journal of the British Diabetic Association·2011

Same author

Neuron-specific enolase correlates with other prognostic markers after cardiac arrest.

Neurology·2011

Same author

Generalized sarcoidosis.

Archives of dermatology and syphilology·2010

Area of Science:

Neurology
Neurophysiology

Background:

Clinical electroencephalography (EEG) is a valuable tool for diagnosing diffuse organic encephalopathy.
However, its specificity in identifying the exact diagnosis is limited.
EEG abnormalities correlate with disease severity in conditions like DAT and Parkinson dementia.

Purpose of the Study:

To evaluate the diagnostic utility of EEG in various encephalopathies and dementias.
To explore the role of quantitative EEG and advanced techniques in improving diagnostic accuracy.

Main Methods:

Analysis of clinical electroencephalography (EEG) findings in patients with various neurological conditions.
Correlation of EEG abnormalities with clinical dementia severity.
Review of emerging EEG techniques like topographical brain mapping and evoked potentials.

Main Results:

EEG shows high sensitivity for diffuse encephalopathy but low specificity for specific diagnoses.
Frontal lobe dementias and alcohol-related dementias often present with normal EEG.
EEG can differentiate organic dementia from pseudodementia, especially in early stages.

Conclusions:

EEG is a sensitive but not highly specific tool for diagnosing organic encephalopathy.
Quantitative EEG and new techniques like brain mapping show promise for enhancing diagnostic accuracy in dementia.
Repeated EEG recordings and advanced analyses can significantly improve diagnostic information over time.

Related Experiment Videos