Related Experiment Video
Updated: Aug 14, 2026

Virtual Prism Adaptation Therapy: Protocol for Validation in Healthy Adults
Published on: February 12, 2020
Ineffectiveness of prism adaptation on spatial neglect signs
Marc Rousseaux1, Thérèse Bernati, Arnaud Saj
1Service de Rééducation Neurologique and EA 2691, Hôpital Swynghedauw, CHRU de Lille, France. mrousseaux@chru-lille.fr
Background And Purpose:
To evaluate the effect of prism adaptation (PA) on spatial neglect signs.
Methods:
Ten patients (hemianopia in 6) and 8 control subjects were included. Tasks were reading single words, nonwords, and a text, bell cancellation, line bisection, and scene drawing, before and after adaptation, with either deviating or neutral prisms.
Results:
Errors were more frequent in patients but without any specific effect of PA. We found partial improvement at the late sessions, independent of prisms.
Conclusions:
We did not confirm the efficacy of PA on spatial neglect.
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