Related Experiment Video
Updated: Apr 18, 2026

Performing Behavioral Tasks in Subjects with Intracranial Electrodes
Published on: October 2, 2014
A Handy EEG Electrode Set for patients suffering from altered mental state
Pasi Lepola1,2, Sami Myllymaa3,4, Juha Töyräs5,3
1Department of Clinical Neurophysiology, Kuopio University Hospital, POB 100, 70029, Kuopio, Finland. pasi.lepola@uef.fi.
A new Handy EEG Electrode Set simplifies electroencephalography (EEG) for altered mental state (AMS) diagnosis. This portable set shows high sensitivity and specificity, proving valuable for emergency neurophysiological evaluations.
Area of Science:
- Neuroscience
- Clinical Neurology
- Medical Devices
Background:
- Electroencephalography (EEG) is crucial for diagnosing unexplained altered mental state (AMS).
- Current EEG electrode application is cumbersome, hindering emergency use.
- A novel, user-friendly electrode set aims to overcome these limitations.
Purpose of the Study:
- To evaluate the clinical utility and diagnostic accuracy of a Handy EEG Electrode Set for AMS patients.
- To compare the Handy EEG Electrode Set with a standard 10-20 electrode system.
Main Methods:
- A prospective study involving 13 AMS patients (5 female, 8 male).
- Simultaneous EEG recordings using the Handy EEG Electrode Set and a standard 10-20 electrode set.
- Analysis of sensitivity and specificity for detecting EEG abnormalities.
Main Results:
- The Handy EEG Electrode Set demonstrated 83% sensitivity and 100% specificity in detecting EEG abnormalities in 12 patients.
- Excluding behind-ear electrodes (T9, T10) in the initial case limited clinically relevant posterior brain region information.
- The set was found to be easy to apply and provided valuable neurophysiological data.
Conclusions:
- The Handy EEG Electrode Set is a promising, easy-to-use tool for neurophysiological evaluation in AMS patients.
- The set offers high diagnostic accuracy for EEG abnormalities in this population.
- Further research with larger cohorts is needed to confirm its diagnostic accuracy and broad applicability.
More Related Videos
10:23Equipment Setup and Artifact Removal for Simultaneous Electroencephalogram and Functional Magnetic Resonance Imaging for Clinical Review in Epilepsy
Published on: June 23, 2023
13:32Recording Human Electrocorticographic ECoG Signals for Neuroscientific Research and Real-time Functional Cortical Mapping
Published on: June 26, 2012