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 (n = 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.

A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting / Strappini, Francesca; Ben-Nun, Amihai; Pecchinenda, Anna. - In: SYMMETRY. - ISSN 2073-8994. - 15:3(2023), p. 729. [10.3390/sym15030729]

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

Francesca Strappini;Anna Pecchinenda
2023

Abstract

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 (n = 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.
2023
pseudoneglect; perceptual asymmetries; lateralization; visual neglect; attention bias; online testing
01 Pubblicazione su rivista::01a Articolo in rivista
A Comparative Study on Line Bisection and Landmark Task Performance Using a Hybrid Online Setting / Strappini, Francesca; Ben-Nun, Amihai; Pecchinenda, Anna. - In: SYMMETRY. - ISSN 2073-8994. - 15:3(2023), p. 729. [10.3390/sym15030729]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1678189
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