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Related Experiment Video

Updated: Jun 25, 2025

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

Modulation of reaching by spatial attention.

Rossella Breveglieri¹, Riccardo Brandolani^1,2, Stefano Diomedi¹

¹Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.

Frontiers in Integrative Neuroscience

|May 31, 2024

Summary

This summary is machine-generated.

Covert attention direction influences motor control dynamics, particularly in contralateral reaching. Leftward attention increases feedback-driven motor control, irrespective of handedness, offering insights into neurological conditions.

Keywords:

Principal Components Analysis covert attention hemispatial effects left handed people reaching right-handed people

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Related Experiment Videos

Last Updated: Jun 25, 2025

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

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Published on: March 18, 2019

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Published on: January 23, 2017

Assessing Corticospinal Excitability During Goal-Directed Reaching Behavior

Assessing Corticospinal Excitability During Goal-Directed Reaching Behavior

Published on: December 2, 2022

Area of Science:

Neuroscience
Motor Control
Cognitive Psychology

Background:

Goal-directed, vision-guided movements require attention.
The influence of covert attention direction on motor control dynamics is not fully understood.

Purpose of the Study:

To investigate how the direction of covert attention affects movement outcomes and dynamics.
To determine if attention direction modulates motor control strategies.

Main Methods:

Participants (right-handed and left-handed) planned reaching movements.
Covert attention was directed to ipsilateral, contralateral, or unconstrained locations.
Behavioral outcomes and motor control dynamics (via principal component analysis of trajectories) were measured.

Main Results:

Covert attention direction significantly impacted motor control dynamics during contralateral reaching.
Motor control was more feedback-driven with leftward attention compared to rightward or unconstrained attention.
This effect was independent of handedness.

Conclusions:

Covert attention direction plays a crucial role in modulating motor control dynamics.
Leftward attention appears to engage more feedback-dependent motor control strategies.
Findings may inform our understanding of neurological disorders with spatial asymmetry, such as hemispatial neglect.