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Related Experiment Video

Updated: May 22, 2026

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Visual search in spatial neglect studied with a preview paradigm.

Julia Fellrath¹, Vanessa Blanche-Durbec, Armin Schnider

¹Division of Neurorehabilitation, University Hospitals Geneva Geneva, Switzerland.

Frontiers in Human Neuroscience

|April 25, 2012

Summary

This summary is machine-generated.

Spatial neglect patients struggle with visual search, especially for combined features. Their attention is biased towards the right side, hindering effective search in the left visual field.

Keywords:

parietal lobe pop-out saliency selective attention spatial neglect temporal processing visual search

More Related Videos

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Published on: March 10, 2021

Related Experiment Videos

Last Updated: May 22, 2026

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Published on: March 10, 2021

Area of Science:

Neuroscience
Cognitive Psychology
Ophthalmology

Background:

Spatial neglect is characterized by impaired visual search.
Patients with neglect show deficits in conjunction visual search, suggesting an impairment in serial attention deployment.

Purpose of the Study:

To investigate the deficit in serial attention deployment in spatial neglect using a preview paradigm.
To understand how preview conditions affect visual search strategies in neglect patients.

Main Methods:

A preview paradigm was used where neglect patients searched for a conjunction target among distracters.
Presentation times varied, including simultaneous presentation and preview conditions (300ms and 600ms).
Performance was compared between left and right hemifield search conditions.

Main Results:

Healthy participants showed serial search only in simultaneous conditions, with pop-out in preview conditions.
Neglect patients exhibited similar patterns in the right hemifield.
In the left hemifield, neglect patients showed prolonged serial search, even with preview, indicating a failure to benefit from preview effectively.

Conclusions:

The visual search deficit in spatial neglect involves a biased attentional priority towards ipsilesional information.
Exaggerated capture of attention by ipsilesional abrupt onsets contributes to the search impairment.
Failure to benefit from item preview in neglect is likely independent of time perception accuracy.