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Updated: Sep 24, 2025
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Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection
Published on: March 10, 2021
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Endpoints and viewpoints on spatial neglect
Robert D McIntosh1, Sumio Ishiai2
1Human Cognitive Neuroscience, Psychology, University of Edinburgh, Edinburgh, UK.
Journal of Neuropsychology
|May 4, 2022
Summary
In neglect, the right endpoint heavily influences line bisection tasks, suggesting spatial representation limits. This finding offers new ways to measure neglect performance and understand subjective experiences.
Area of Science:
- Neuropsychology
- Cognitive Psychology
- Neuroscience
Background:
- Abe and Ishiai (2022) investigated subjective experiences in line bisection tasks among individuals with neglect.
- Re-analysis of their data provides novel insights into characterizing neglect performance.
Purpose of the Study:
- To probe the subjective experience of line bisection in neglect.
- To develop sensitive measures for quantifying neglect performance.
- To explore the influence of endpoints on response determination in neglect.
Main Methods:
- Quantifying the differential influence (weighting) of left and right endpoints on responses.
- Analyzing data from line bisection and endpoint reproduction tasks.
Main Results:
- The right endpoint exerts significantly greater influence than the left endpoint in individuals with neglect.
- This asymmetry in endpoint influence was observed in both line bisection and endpoint reproduction tasks.
Conclusions:
- Neglect may impair the simultaneous representation of two locations, leading to responses primarily determined by the right endpoint.
- The findings challenge the notion that neglect is always accompanied by the subjective experience of a complete line.
- Sensitive measures of neglect can be derived from endpoint influence analysis.
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