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 7, 2026

Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies

Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies

Published on: September 22, 2014

EEG-response consistency across subjects in an active oddball task.

Yvonne Höller¹, Aljoscha Thomschewski, Jürgen Bergmann

¹Department of Neurology, Paracelsus Medical University, Salzburg, Austria ; Neuroscience Institute & Center for Neurocognitive Research, Paracelsus Medical University, Salzburg, Austria.

|September 28, 2013

Summary

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

Incidence and causes of traumatic and non-traumatic spinal cord injury in Salzburg, Austria: a multi-center hospital network-based study.

Frontiers in neurology·2026

Same author

Long-Term Survival and Life Expectancy After Spinal Cord Injury in Salzburg, Austria: A Retrospective Population-Based Study.

European journal of neurology·2026

Same author

Intranasal Seletracetam in a Patient with Reading Epilepsy: First-in-Human Use to Prevent Reflex Seizures.

Annals of neurology·2025

Same author

Data Set Instrument for Epidemiologic Studies of Spinal Cord Injury: Traumatic and Non-traumatic.

Neurology and therapy·2025

Same author

Epilepsy and employment: A qualitative interview study with heads of human resources and occupational physicians in Austria - A call for legislative optimization according to the WHO Intersectoral Global Action Plan.

Epilepsia·2025

Same author

Influence of sports on cortical excitability in patients with spinal cord injury: a TMS study.

Frontiers in medical technology·2024

The active oddball task shows inconsistent results across individuals, questioning its reliability for detecting consciousness in unresponsive patients using electroencephalography (EEG). Single-subject analysis is crucial for accurate interpretation.

Area of Science:

Neuroscience
Cognitive Neuroscience
Clinical Neurophysiology

Background:

The active oddball paradigm is explored for assessing voluntary brain activation.
Previous studies focused on group effects, neglecting interindividual variability.
Interindividual differences complicate the interpretation of group-level findings.

Purpose of the Study:

To assess the consistency of the active oddball task across subjects.
To determine if the task reliably detects conscious target processing in unresponsive patients.
To evaluate the utility of electroencephalography (EEG) analysis techniques.

Main Methods:

18 subjects performed an auditory active oddball task.
Event-related potentials (ERPs) and time-frequency data were analyzed at the single-subject level.

More Related Videos

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners

Published on: May 31, 2018

Related Experiment Videos

Last Updated: May 7, 2026

Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies

Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies

Published on: September 22, 2014

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners

Published on: May 31, 2018

Permutation t-tests were used to evaluate statistical significance.

Main Results:

All participants showed significant target/distractor vs. standard discrimination in the P300 range.
Only 8 subjects exhibited significant target vs. distractor differences in the P3a/b range.
Time-frequency analysis was less informative than ERPs for task performance.

Conclusions:

The active oddball task's ERP and time-frequency analyses may lack sensitivity for detecting voluntary brain activation in unresponsive patients.
Single-subject analysis in electroencephalography is vital, as group-effect interpretations can be misleading.
More sensitive paradigms and analysis techniques are recommended for clinical neurophysiology.