Prism Adaptation Alters Electrophysiological Markers of Attentional Processes in the Healthy Brain

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
Elisa Martín-ArévaloL Pisella

Abstract

Neglect patients typically show a rightward attentional orienting bias and a strong disengagement deficit, such that they are especially slow in responding to left-sided targets after right-sided cues (Posner et al., 1984). Prism adaptation (PA) can reduce diverse debilitating neglect symptoms and it has been hypothesized that PA's effects are so generalized that they might be mediated by attentional mechanisms (Pisella et al., 2006; Redding and Wallace, 2006). In neglect patients, performance on spatial attention tasks improves after rightward-deviating PA (Jacquin-Courtois et al., 2013). In contrast, in healthy subjects, although there is evidence that leftward-deviating PA induces neglect-like performance on some visuospatial tasks, behavioral studies of spatial attention tasks have mostly yielded negative results (Morris et al., 2004; Bultitude et al., 2013). We hypothesized that these negative behavioral findings might reflect the limitations of behavioral measures in healthy subjects. Here we exploited the sensitivity of event-related potentials to test the hypothesis that electrophysiological markers of attentional processes in the healthy human brain are affected by PA. Leftward-deviating PA generated asymmetries in att...Continue Reading

Citations

Jul 30, 2017·Experimental Brain Research·Christopher L Striemer, Carley A Borza
Sep 26, 2020·Frontiers in Psychology·Yong-Chun CaiLi-Juan Luo
Dec 21, 2016·Cerebral Cortex·Elisa Martín-ArévaloKaren T Reilly
Oct 9, 2018·Cerebral Cortex·Judith NicolasDenis Pélisson
Feb 2, 2019·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Yves RossettiTanja Nijboer
May 28, 2019·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Alessio FacchinAlessandro Farnè
Nov 13, 2021·Frontiers in Neuroscience·Alexia BourgeoisRadek Ptak

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