ArticleExperimental brain research2016
Hand-independent representation of tool-use pantomimes in the left anterior intraparietal cortex.
Article in Experimental brain research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 10 citations in OpenAlex.
- Effects of anodal stimulation and motor practice on limb-kinetic apraxia in Parkinson's disease.Experimental brain research · 2022Trial
- fNIRS-Based Differences in Cortical Activation during Tool Use, Pantomimed Actions, and Meaningless Actions between Children with and without Autism Spectrum Disorder (ASD).Brain sciences · 2023Article
- Plasticity based on compensatory effector use in the association but not primary sensorimotor cortex of people born without hands.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Abstract Representations of Object-Directed Action in the Left Inferior Parietal Lobule.Cerebral cortex (New York, N.Y. : 1991) · 2018Article
- Apraxia: Review and Update.Journal of clinical neurology (Seoul, Korea) · 2017Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
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Abstract
Previous neuropsychological studies of ideomotor apraxia (IMA) indicated impairments in pantomime actions for tool use for both right and left hands following lesions of parieto-premotor cortices in the left hemisphere. Using functional magnetic resonance imaging (fMRI) with multi-voxel pattern analysis (MVPA), we tested the hypothesis that the left parieto-premotor cortices are involved in the storage or retrieval of hand-independent representation of tool-use actions. In the fMRI scanner, one of three kinds of tools was displayed in pictures or letters, and the participants made pantomimes of the use of these tools using the right hand for the picture stimuli or with the left hand for the letters. We then used MVPA to classify which kind of tool the subjects were pantomiming. Whole-brain searchlight analysis revealed successful decoding using the activities largely in the contralateral primary sensorimotor region, ipsilateral cerebellum, and bilateral early visual area, which may reflect differences in low-level sensorimotor components for three types of pantomimes. Furthermore, a successful cross-classification between the right and left hands was possible using the activities of the left inferior parietal lobule (IPL) near the junction of the anterior intraparietal sulcus. Our finding indicates that the left anterior intraparietal cortex plays an important role in the production of tool-use pantomimes in a hand-independent manner, and independent of stimuli modality.
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