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Related Experiment Video

Updated: Mar 23, 2026

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection
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Auditory lateralisation deficits in neglect patients.

Alma Guilbert1, Sylvain Clément1, Latifa Senouci2

  • 1Équipe "Neuropsychologie, Audition, Cognition, Action" (NACA), Laboratoire "Psychologie: Interactions, Temps, Emotions, Cognition" (PSITEC), Université Lille Nord de France, France.

Neuropsychologia
|March 29, 2016
PubMed
Summary

Unilateral spatial neglect (USN) patients show sound lateralization deficits, with severe cases impairing leftward sound perception and mild cases exhibiting egocentric bias. These findings reveal distinct auditory processing profiles in USN.

Keywords:
HearingSound lateralisationUnilateral spatial neglect

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Area of Science:

  • Neuroscience
  • Auditory Perception
  • Clinical Psychology

Background:

  • Unilateral spatial neglect (USN) is primarily studied for visual deficits, with less research on directional hearing impairment.
  • Understanding auditory processing in USN is crucial for a comprehensive view of neglect syndromes.

Purpose of the Study:

  • To investigate sound lateralization deficits in patients with unilateral spatial neglect (USN).
  • To differentiate auditory processing profiles in patients with varying severity of USN.

Main Methods:

  • Utilized a sound lateralization paradigm using interaural time differences (ITD) to simulate sound movement.
  • Employed a single-case method analyzing 15 right-hemisphere stroke patients (5 severe USN, 5 mild USN, 5 no USN) and 11 healthy controls.

Main Results:

  • Confirmed sound lateralization deficits in USN patients.
  • Identified two distinct deficit profiles: severe USN patients showed left sound lateralization impairment, while mild USN patients exhibited egocentric deviation bias.

Conclusions:

  • USN is associated with distinct auditory processing deficits, not a uniform impairment.
  • Further research is needed to elucidate the mechanisms behind these two identified profiles in USN.