Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: May 23, 2026

P300-Based Brain-Computer Interface Speller Performance Estimation with Classifier-Based Latency Estimation
06:09

P300-Based Brain-Computer Interface Speller Performance Estimation with Classifier-Based Latency Estimation

Published on: September 8, 2023

A covert attention P300-based brain-computer interface: Geospell.

Fabio Aloise1, Pietro Aricò, Francesca Schettini

  • 1Neuroelectrical Imaging and BCI Lab, Fondazione Santa Lucia IRCCS, Rome, Italy. f.aloise@hsantalucia.it

Ergonomics
|March 30, 2012
PubMed
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

Beyond the lab: a review on neurophysiological mental states assessment in real-world settings.

Progress in biomedical engineering (Bristol, England)·2026
Same author

Improving P300 morphology through single-trial latency realignment: a comparative study of template-matching approaches.

Journal of neural engineering·2026
Same author

Mapping the Human Performance Envelope Through Multivariate Information Transfer.

Brain sciences·2026
Same author

EEG Correlates of Upper Limb Function During the Box and Block Test After Stroke.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2026
Same author

Investigating the role of therapist-patient interaction during robot-assisted gait training after incomplete spinal cord injury: the INTER-RO-GAIT randomized controlled trial.

Trials·2026
Same author

Multi-method characterization of neurophysiological and biological stress responses in surgical teams during real surgical procedures.

Frontiers in neuroergonomics·2026
Same journal

Layer-specific facial soft-tissue thickness in 1174 Chinese adults: Implications for finite-element headforms and ergonomic design.

Ergonomics·2026
Same journal

The dual effects of information presentation speed on operator performance in dynamic tasks: a study in supervisory control and data acquisition interfaces.

Ergonomics·2026
Same journal

Evaluating generative AI teaching assistants in simulated learning environments: how instructor type and support type affect students' perceptions.

Ergonomics·2026
Same journal

Swipe smart, not hard: hand health of smartphone users in a university population.

Ergonomics·2026
Same journal

Couriers' work-related musculoskeletal disorders and psychological distress: Insights for work errors and traffic safety.

Ergonomics·2026
Same journal

Quantity and thumbnail display effects on semi-autonomous ground vehicle operators' performance and mental workload: the moderating role of spatial ability.

Ergonomics·2026
See all related articles

The GeoSpell, a new brain-computer interface (BCI), offers comparable performance to the P300 speller for text communication. This gaze-independent BCI is effective even with impaired eye movement, demonstrating its potential for broader accessibility.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Human-Computer Interaction

Background:

  • The P300 speller is a common brain-computer interface (BCI) for text communication.
  • Impaired eye movement significantly reduces P300 speller accuracy.
  • A novel BCI is needed to overcome limitations in visual attention and eye movement.

Purpose of the Study:

  • Introduce and evaluate the GeoSpell (Geometric Speller) interface.
  • Assess GeoSpell's effectiveness, efficiency, and user satisfaction compared to the P300 speller.
  • Determine GeoSpell's viability for individuals with impaired eye movement.

Main Methods:

  • Developed the GeoSpell, a P300-based BCI optimized for covert visual attention.
  • Compared GeoSpell (covert attention) with the P300 speller (overt attention) in 10 healthy subjects.

More Related Videos

Assessment and Communication for People with Disorders of Consciousness
07:37

Assessment and Communication for People with Disorders of Consciousness

Published on: August 1, 2017

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

Related Experiment Videos

Last Updated: May 23, 2026

P300-Based Brain-Computer Interface Speller Performance Estimation with Classifier-Based Latency Estimation
06:09

P300-Based Brain-Computer Interface Speller Performance Estimation with Classifier-Based Latency Estimation

Published on: September 8, 2023

Assessment and Communication for People with Disorders of Consciousness
07:37

Assessment and Communication for People with Disorders of Consciousness

Published on: August 1, 2017

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

  • Evaluated performance using accuracy, efficiency, user satisfaction, and NASA Task Load Index (TLX).

    • Main Results:

    • GeoSpell's performance in covert attention was comparable to the P300 speller in overt attention.
    • Effectiveness of spelling decreased with GeoSpell in covert attention, as expected.
    • No significant difference in workload (NASA TLX) was found between the two interfaces.

    Conclusions:

    • GeoSpell provides a viable gaze-independent BCI alternative to the P300 speller.
    • Despite reduced effectiveness in covert attention, GeoSpell's accuracy meets the threshold for practical spelling.
    • GeoSpell demonstrates potential for users with impaired eye movement, enhancing BCI accessibility.