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 Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Understanding Navon: Different designs of local-global tasks capture different bias effects.

Attention, perception & psychophysics·2026
Same author

Validation of the English Social Attunement Questionnaire (SAQ): associations with substance use, impulsivity and sensation seeking across the lifespan.

European addiction research·2026
Same author

A collaborative guide to Rapid Invisible Frequency Tagging (RIFT): Methods, insights, and recommendations.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

Variations across Europe in national guidelines and clinical practice regarding screening of cognitive and emotional consequences after aneurysmal subarachnoid hemorrhage.

Cerebrovascular diseases (Basel, Switzerland)·2026
Same author

AI assists adversarial collaboration in debate on minority salience.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Multitarget Visual Search Flexibly Switches Between Concurrent and Sequential Search Modes.

Psychological science·2026

Related Experiment Video

Updated: Sep 26, 2025

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation
07:26

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation

Published on: November 26, 2019

8.2K

The orienting response drives pseudoneglect-Evidence from an objective pupillometric method.

Christoph Strauch1, Christophe Romein1, Marnix Naber1

  • 1Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, the Netherlands.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
|April 24, 2022
PubMed
Summary

Spatial attention bias, known as pseudoneglect, was objectively measured using pupil responses. This study suggests the orienting response influences the degree of attention bias, potentially explaining varied findings and aiding clinical diagnosis.

Keywords:
Covert attentionGreyscalesLine bisectionOrienting responsePseudoneglectPupillometrySequence effectsSpatial attentionUnilateral neglect

More Related Videos

Author Spotlight: An Accurate and Quantitative Approach to Study Visual Feature Selectivity of the Optokinetic Reflex in Mice
09:28

Author Spotlight: An Accurate and Quantitative Approach to Study Visual Feature Selectivity of the Optokinetic Reflex in Mice

Published on: June 23, 2023

3.1K
Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
11:12

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

Published on: September 18, 2012

17.5K

Related Experiment Videos

Last Updated: Sep 26, 2025

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation
07:26

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation

Published on: November 26, 2019

8.2K
Author Spotlight: An Accurate and Quantitative Approach to Study Visual Feature Selectivity of the Optokinetic Reflex in Mice
09:28

Author Spotlight: An Accurate and Quantitative Approach to Study Visual Feature Selectivity of the Optokinetic Reflex in Mice

Published on: June 23, 2023

3.1K
Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
11:12

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

Published on: September 18, 2012

17.5K

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Ophthalmology

Background:

  • Spatial attention is often biased leftward (pseudoneglect), but traditional tasks have limitations.
  • Pseudoneglect findings vary, lacking a unified explanation.
  • Pupil changes can objectively reflect spatial attention allocation.

Purpose of the Study:

  • To objectively assess lateralized attention over time using pupillometry.
  • To investigate the relationship between pupil responses, visual stimuli, and attention bias.
  • To propose a hypothesis explaining pseudoneglect variability.

Main Methods:

  • 41 healthy participants fixated a center point with differential background luminance.
  • Pupil size changes were recorded and analyzed in relation to visual stimuli.
  • Time-based analyses within trials and across trials were conducted.

Main Results:

  • Pupil size was more influenced by left-side background luminance, indicating a leftward attention bias.
  • Differences in pupil size correlated with greyscale scores.
  • The initial leftward bias shifted centrally with increasing trial number, suggesting the orienting response's role.

Conclusions:

  • Pupil light responses can objectively reveal pseudoneglect.
  • The orienting response may determine the degree of attention bias (quantity).
  • Higher-order factors might determine the direction of pseudoneglect (quality), unifying previous findings and suggesting potential for clinical diagnosis of hemispatial neglect.