ArticleiScience2025
Frequency-tagging EEG reveals spontaneous categorical discrimination of visual self-identity.
Article in iScience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
From early development, visual and sensorimotor representations of our hands are continually linked, allowing to develop a bodily self-representation. Here, we investigated the neural mechanisms of bodily self-identity discrimination, combining electroencephalography with fast periodic visual stimulation. In two experiments, participants' self-hand images appeared as oddball stimuli among others' hands. To control for statistical regularity and familiarity, oddball hand images could belong to a stranger (Exp1) or the partner (Exp2). In a third behavioral experiment, we verified participants could explicitly detect the presence of the self-hand in the sequence. Results revealed a neural marker for automatic hand identity discrimination, with greater responses in egocentric than allocentric perspective only for self-hand images. This interaction effect emerged over occipital, consistently with the visual nature of the task, and also over fronto-central regions, compatibly with the involvement of a sensorimotor network. These findings support that self-hand processing relies on associating visual and sensorimotor representations.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.