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Brief Report

No Evidence of Perceptual Pseudoneglect in Alexithymia

1
Dipartimento di Scienze Cognitive, Psicologiche, Pedagogiche e Degli Studi Culturali (COSPECS), Università di Messina, 98121 Messina, Italy
2
Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy
3
Faculty of Human and Social Sciences, UKE-Kore University of Enna, Cittadella Universitaria, 94100 Enna, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Domenico De Berardis
Brain Sci. 2021, 11(3), 376; https://doi.org/10.3390/brainsci11030376
Received: 13 February 2021 / Revised: 10 March 2021 / Accepted: 12 March 2021 / Published: 15 March 2021
(This article belongs to the Special Issue Prefrontal Cortex and Cognitive-Emotional Functions)
Neuroscience research links alexithymia, the difficulty in identifying and describing feelings and emotions, with left hemisphere dominance and/or right hemisphere deficit. To provide behavioral evidence for this neuroscientific hypothesis, we explored the relationship between alexithymia and performance in a line bisection task, a standard method for evaluating visuospatial processing in relation to right hemisphere functioning. We enrolled 222 healthy participants who completed a version of the 20-item Toronto Alexithymia Scale (TAS-20), which measures alexithymia, and were asked to mark (bisect) the center of a 10-cm horizontal segment. The results document a significant rightward shift in the center of the line in participants with borderline and manifest alexithymia compared with non-alexithymic individuals. The higher the TAS-20 score, the greater the rightward shift in the line bisection task. This finding supports the right hemisphere deficit hypothesis in alexithymia and suggests that visuospatial abnormalities may be an important component of this mental condition. View Full-Text
Keywords: alexithymia; right hemisphere; line bisection; pseudoneglect alexithymia; right hemisphere; line bisection; pseudoneglect
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MDPI and ACS Style

Vicario, C.M.; Martino, G.; Marcuzzo, A.; Craparo, G. No Evidence of Perceptual Pseudoneglect in Alexithymia. Brain Sci. 2021, 11, 376. https://doi.org/10.3390/brainsci11030376

AMA Style

Vicario CM, Martino G, Marcuzzo A, Craparo G. No Evidence of Perceptual Pseudoneglect in Alexithymia. Brain Sciences. 2021; 11(3):376. https://doi.org/10.3390/brainsci11030376

Chicago/Turabian Style

Vicario, Carmelo Mario, Gabriella Martino, Alex Marcuzzo, and Giuseppe Craparo. 2021. "No Evidence of Perceptual Pseudoneglect in Alexithymia" Brain Sciences 11, no. 3: 376. https://doi.org/10.3390/brainsci11030376

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