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Related Experiment Video

Updated: May 8, 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

Semantic processing and orthographic specificity in hemispatial neglect.

R McGlinchey-Berroth¹, W P Milberg, M Verfaellie

¹Department of Veterans Affairs Medical Center, West Roxbury and Harvard University Medical School.

Journal of Cognitive Neuroscience

|August 24, 2013

Summary

This summary is machine-generated.

Patients with visual neglect can process words in the neglected visual field (LVF) semantically, even if they cannot consciously discriminate them. This suggests underlying semantic processing relies on full perceptual and orthographic information.

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Area of Science:

Neuroscience
Cognitive Psychology
Visual Perception

Background:

Visual neglect is a condition where patients fail to attend to stimuli in one visual field.
Lexical information processing in the neglected visual field (LVF) is not fully understood.
Previous research suggests some level of processing may occur even without conscious awareness.

Purpose of the Study:

To investigate the processing of lexical information in the neglected visual field.
To determine if semantic priming effects occur for words presented to the LVF.
To examine the nature of this priming, considering perceptual and orthographic information.

Main Methods:

Two sets of experiments involving semantic priming and discrimination tasks.
Subjects performed lexical decisions on target words preceded by lateralized word primes.
Discrimination tasks assessed the ability to identify target words in the left visual field (LVF) and right visual field (RVF).

Main Results:

Patients could not discriminate words in the LVF but showed significant semantic priming.
Priming effects were replicated, and negative priming was observed for orthographically similar LVF primes.
Performance in discrimination tasks for LVF targets remained at chance levels.

Conclusions:

Semantic processing of neglected lexical information involves fully specified perceptual and orthographic information.
A lateral inhibitory mechanism may attempt, unsuccessfully, to bring neglected orthographic information to awareness.
Despite lack of conscious awareness, semantic understanding of neglected stimuli is possible.