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Related Concept Videos

Prosopagnosia01:24

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Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
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Related Experiment Video

Updated: Dec 9, 2025

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

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The reliability of pseudoneglect is task dependent.

A G Mitchell1, J M Harris2, S E Benstock2

  • 1School of Psychology, Philosophy & Language Sciences, The University of Edinburgh, UK; School of Psychology & Neuroscience, The University of St Andrews, UK.

Neuropsychologia
|September 6, 2020
PubMed
Summary
This summary is machine-generated.

Pseudoneglect, a leftward spatial attention bias, shows inconsistent reliability within individuals across different tasks and time. The landmark task emerged as the most dependable method for measuring this phenomenon.

Keywords:
AttentionPerceptionPseudoneglectReliability

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Behavior

Background:

  • Bisection tasks assess spatial attention biases, revealing pseudoneglect, a leftward bias in healthy individuals.
  • Pseudoneglect, initially observed in tactile domains, has been documented across visual and other sensory modalities.
  • The within-individual reliability of pseudoneglect across tasks and time remains under-investigated.

Purpose of the Study:

  • To investigate the reliability of spatial attention bias (pseudoneglect) within individuals across multiple sessions and tasks.
  • To compare the reliability of three line bisection tasks: landmark, line bisection, and tactile rod bisection.

Main Methods:

  • Assessed within-individual response bias across four testing sessions.
  • Utilized three distinct line bisection tasks: landmark, line bisection, and tactile rod bisection.
  • Analyzed data for pseudoneglect and its reliability across tasks and sessions.

Main Results:

  • Pseudoneglect was observed in the overall sample when averaged across tasks.
  • Individual data revealed significant variability, with some participants showing rightward or no bias.
  • Reliable within-individual bias was found for landmark and tactile rod tasks across sessions, but not for the standard line bisection task.

Conclusions:

  • Pseudoneglect exhibits considerable inconsistency within individuals, particularly across different sensory modalities.
  • The landmark task demonstrates the highest reliability for measuring individual pseudoneglect.
  • Findings underscore the importance of task selection for consistent assessment of spatial attention biases.