Directional tuning for eye and arm movements in overlapping regions in human posterior parietal cortex

Magri, Caterina and Fabbri, Sara and Caramazza, Alfonso and Lingnau, Angelika (2019) Directional tuning for eye and arm movements in overlapping regions in human posterior parietal cortex. NEUROIMAGE, 191. pp. 234-242. ISSN 1053-8119, 1095-9572

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Abstract

A network of frontal and parietal regions is known to be recruited during the planning and execution of arm and eye movements. While movements of the two effectors are typically coupled with each other, it remains unresolved how information is shared between them. Here we aimed to identify regions containing neuronal populations that show directional tuning for both arm and eye movements. In two separate fMRI experiments, the same participants were scanned while performing a center-out arm or eye movement task. Using a whole-brain searchlight-based representational similarity analysis (RSA), we found that a bilateral region in the posterior superior parietal lobule represents both arm and eye movement direction, thus extending previous findings in monkeys.

Item Type: Article
Uncontrolled Keywords: SENSORIMOTOR TRANSFORMATIONS; EFFECTOR INFORMATION; COORDINATE SYSTEM; HAND ORIENTATION; NEURAL ACTIVITY; REPRESENTATIONS; SIGNALS; AREA; ORGANIZATION; INTEGRATION; directional tuning; arm movements; saccadic eye movements; representational similarity analysis; posterior parietal cortex
Subjects: 100 Philosophy & psychology > 150 Psychology
Divisions: Human Sciences > Institut für Psychologie > Lehrstuhl für Cognitive Neuroscience – Prof. Dr. Angelika Lingnau
Depositing User: Dr. Gernot Deinzer
Date Deposited: 01 Jul 2022 11:24
Last Modified: 01 Jul 2022 11:24
URI: https://pred.uni-regensburg.de/id/eprint/27130

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