A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting

Bisection tasks are commonly used to assess biases and asymmetries in visuospatial attention in both patients and neurologically intact individuals. In these tasks, participants are usually asked to identify the midpoint and manually bisect a horizontal line. Typically, healthy individuals tend to s...

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Main Authors: Francesca Strappini, Amihai Ben-Nun, Anna Pecchinenda
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Symmetry
Subjects:
Online Access:https://www.mdpi.com/2073-8994/15/3/729
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author Francesca Strappini
Amihai Ben-Nun
Anna Pecchinenda
author_facet Francesca Strappini
Amihai Ben-Nun
Anna Pecchinenda
author_sort Francesca Strappini
collection DOAJ
description Bisection tasks are commonly used to assess biases and asymmetries in visuospatial attention in both patients and neurologically intact individuals. In these tasks, participants are usually asked to identify the midpoint and manually bisect a horizontal line. Typically, healthy individuals tend to show an attention processing advantage for the left visual field, known as “pseudoneglect.” Here, performance at two computerized versions of the task was compared to assess pseudoneglect in neurologically intact individuals. Specifically, we used a hybrid online setting in which subjects (<i>n</i> = 35) performed the online tasks under the video guidance of the experimenter. We measured attentional biases in the line bisection and landmark tasks. We found pseudoneglect in both tasks, although the bias was larger in the line bisection task. Overall, these findings show that hybrid online tasks may provide a valid setting to assess attentional biases and suggest their feasibility in the clinical setting.
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spelling doaj.art-8fec952a1e574314bdf4bf610d9f1d7b2023-11-17T14:10:09ZengMDPI AGSymmetry2073-89942023-03-0115372910.3390/sym15030729A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online SettingFrancesca Strappini0Amihai Ben-Nun1Anna Pecchinenda2Department of Psychology, Sapienza University of Rome, 00185 Rome, ItalyTechnion, Israel Institute of Technology, Haifa 3200003, IsraelDepartment of Psychology, Sapienza University of Rome, 00185 Rome, ItalyBisection tasks are commonly used to assess biases and asymmetries in visuospatial attention in both patients and neurologically intact individuals. In these tasks, participants are usually asked to identify the midpoint and manually bisect a horizontal line. Typically, healthy individuals tend to show an attention processing advantage for the left visual field, known as “pseudoneglect.” Here, performance at two computerized versions of the task was compared to assess pseudoneglect in neurologically intact individuals. Specifically, we used a hybrid online setting in which subjects (<i>n</i> = 35) performed the online tasks under the video guidance of the experimenter. We measured attentional biases in the line bisection and landmark tasks. We found pseudoneglect in both tasks, although the bias was larger in the line bisection task. Overall, these findings show that hybrid online tasks may provide a valid setting to assess attentional biases and suggest their feasibility in the clinical setting.https://www.mdpi.com/2073-8994/15/3/729pseudoneglectperceptual asymmetrieslateralizationvisual neglectattention biasonline testing
spellingShingle Francesca Strappini
Amihai Ben-Nun
Anna Pecchinenda
A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting
Symmetry
pseudoneglect
perceptual asymmetries
lateralization
visual neglect
attention bias
online testing
title A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting
title_full A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting
title_fullStr A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting
title_full_unstemmed A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting
title_short A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting
title_sort comparative study on line bisection and landmark task performance using a hybrid online setting
topic pseudoneglect
perceptual asymmetries
lateralization
visual neglect
attention bias
online testing
url https://www.mdpi.com/2073-8994/15/3/729
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