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Related Experiment Video

Updated: Apr 12, 2026

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

Spatial attention systems in spatial neglect.

Hans-Otto Karnath¹

¹Center of Neurology, Division of Neuropsychology, Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany; Department of Psychology, University of South Carolina, Columbia, SC, USA.

Neuropsychologia

|May 26, 2015

Summary

This summary is machine-generated.

Spatial neglect patients show impaired stimulus-driven attention but intact goal-directed attention. This suggests a disruption in the body-related matrix for spatial processing, not top-down attention itself.

Keywords:

Attention Dorsal Egocentric Eye movements Human Reference frames Space representation Spatial neglect Stroke Top-down control Ventral

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Area of Science:

Neuroscience
Cognitive Psychology

Background:

Spatial attention involves top-down and bottom-up cortical networks.
Spatial neglect is often viewed as a disorder of these attention networks.

Purpose of the Study:

To investigate the functioning of top-down and bottom-up attention systems in spatial neglect.
To re-evaluate the role of spatial neglect as a model for spatial attention disturbances.

Main Methods:

Behavioral studies analyzing orienting and exploration behavior in spatial neglect patients.
Examination of patient responses to sudden targets versus voluntary spatial exploration.

Main Results:

Spatial neglect patients exhibit disturbed stimulus-driven attention, particularly for contralesional targets.
Goal-directed (top-down) attention and voluntary exploration are preserved in spatial neglect.
The findings suggest an affected body-related matrix rather than the top-down attention control itself.

Conclusions:

Spatial neglect may not solely be a disorder of spatial attention but involves the neural substrate for spatial representation.
The study refines our understanding of how the brain encodes topographical information and organizes spatially oriented actions.
This research offers insights into the stimulus-driven attentional system and its relation to body position.