ArticleiScience2026
Primary visual cortex BOLD responses to relative localization of sounds at 7T.
Article in iScience, 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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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
7 authors.
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Abstract
To clarify the computational role and dynamics of auditory-driven cross-modal activations in visual cortices, we investigated the recruitment of the primary visual cortex (V1) during auditory spatial perception using fMRI and dynamic causal modeling (DCM). Ten participants estimated the relative position of sounds with respect to two spatial landmarks. We found significant activation of V1 in response to the sound to localize, along with bilateral activation in the primary auditory cortex (A1) and intraparietal sulcus (IPS; pFWE < 0.001). Moreover, we observed task-dependent changes in the effective connectivity between V1, A1, and IPS: in particular, the coupling between A1 to IPS, as well as from IPS to V1 increased positively. This study suggests that judgments of the relative distance between sounds elicit activity in V1, and V1 recruitment is likely explained by an increased effective connectivity from IPS. This network may support the brain ability to perform high-level spatial computations in the auditory domain.
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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.