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

Spatial sampling of head electrical fields: the geodesic sensor net

¹Department of Psychology, University of Oregon, Eugene 97403.

Electroencephalography and Clinical Neurophysiology

|September 1, 1993

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

CHARACTERISATION OF RADIOPHOTOLUMINESCENCE DOSIMETRY SYSTEM FOR INDIVIDUAL MONITORING.

Radiation protection dosimetry·2020

Same author

Regulatory Considerations for the Clinical and Research Use of Transcranial Direct Current Stimulation (tDCS): review and recommendations from an expert panel.

Clinical research and regulatory affairs·2015

Same author

A cognitive-anatomical approach to attention in lexical access.

Journal of cognitive neuroscience·2013

Same author

Localization of auditory evoked potentials related to selective intermodal attention.

Journal of cognitive neuroscience·2013

Same author

Towards normalization of soybean somatic embryo maturation.

Plant cell reports·2005

Same author

Localizing acute stroke-related EEG changes: assessing the effects of spatial undersampling.

Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society·2001

Same journal

Coming to terms with brain waves.

Electroencephalography and clinical neurophysiology·2014

Same journal

Habituation of lower leg stretch responses in Parkinson's disease.

Electroencephalography and clinical neurophysiology·2000

Same journal

Asymmetry of cortical excitability revealed by transcranial stimulation in a patient with focal motor epilepsy and cortical myoclonus.

Electroencephalography and clinical neurophysiology·2000

Same journal

Evoked isometric muscle contractions in myopathies: analysis of pathophysiological properties by different stimulus patterns.

Electroencephalography and clinical neurophysiology·2000

Same journal

Task-related coherence and task-related spectral power changes during sequential finger movements.

Electroencephalography and clinical neurophysiology·2000

Same journal

Electrophysiological studies in mild idiopathic carpal tunnel syndrome.

Electroencephalography and clinical neurophysiology·2000

See all related articles

A novel geodesic sensor net provides even scalp coverage for optimal brain electrical activity measurement. This dense array system ensures adequate spatial sampling, improving electroencephalography (EEG) data quality.

Area of Science:

Neuroscience
Biomedical Engineering
Electrical Engineering

Background:

Accurate measurement of brain electrical activity requires dense scalp sensor coverage to avoid spatial aliasing.
Existing methods may not provide uniform or sufficient sensor distribution for comprehensive brain surface potential field sampling.

Purpose of the Study:

To introduce a geodesic sensor net system for improved spatial sampling of brain electrical activity.
To ensure even distribution of sensors across the accessible head surface for high-density electroencephalography (EEG).

Main Methods:

Development of a geodesic sensor net using elastic threads and saline-sponge-enclosed sensors.
Tension structure design ensures even sensor distribution and head-radial vector compression at each pedestal.

Related Experiment Videos

Utilized geodesic partitioning frequencies (64, 128, 256) for dense sensor array configuration.

Main Results:

The geodesic sensor net achieves an even distribution of sensors across the scalp surface.
The tension-based design ensures uniform compression and radial vector alignment for each sensor.
Achieved high sensor density necessary for adequate spatial sampling of brain electrical events.

Conclusions:

The geodesic sensor net offers a robust solution for achieving optimal spatial sampling of brain electrical fields.
This system enhances the quality and reliability of electroencephalography (EEG) data by ensuring uniform, dense sensor coverage.