ArticleBrain sciences2026
EEG Evidence for Dynamic Cross-Modal Adaptation Under Progressive Visual-Tactile Impairment.
Article in Brain sciences, 2026. 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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Abstract
backgroundThis study examined condition-dependent electroencephalography (EEG) changes under progressive degradation of visual and tactile information.
methodsUsing a controlled visual-tactile paradigm, we systematically manipulated visual degradation and tactile impairment at multiple levels and analyzed time-frequency activity and P300 responses.
resultsThe results showed condition-dependent changes in oscillatory activity and P300 amplitude across graded visual-tactile degradation conditions. In several conditions, degradation in one modality was accompanied by increased neural responses in the other modality. However, this pattern was not monotonic: stronger responses were observed under some moderate degradation combinations, whereas responses were reduced under severe dual-modal degradation.
conclusionsIn addition, the relative balance between visual-task and tactile-task responses varied across conditions, suggesting flexible but condition-dependent changes in modality weighting rather than a fixed hierarchy between modalities. Overall, these findings are consistent with graded neural adaptation under visual-tactile uncertainty, but they do not by themselves establish a specific causal mechanism of sensory reallocation.
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