layerfmri.bsky.social
I try to collect talks, papers, and news regarding layer-fMRI. Focusing on acquisition. https://researchers.mgh.harvard.edu/profile/42655591/Renzo-Huber
👤 Joined on 21 September 2023
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- 21 Eyl 2023, 20:39
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@layerfmri.bsky.social - 10 Kas 2023, 16:34
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7/7 The study was carried out at the MRI center @giga-crc-hi.bsky.social and supported by #FNRS @uclouvain
Show Post5/7 In conclusion: Early visual deprivation allows auditory info to recruit ascending, feedforward pathways. In congenital blindness, the occipital cortex switches from vision to audition while preserving its functional architecture.
Show Post4/7 What we found: In early-blind participants, auditory motion produced a feedforward-like laminar profile in hMT+/V5 remarkably similar to the profile of visual motion in sighted people.
Show Post3/7 Why look at cortical layers? Feedforward and feedback inputs leave unique laminar signatures. Beyond asking if a region show enhanced responses to another modality, 7T layer-fMRI reveals HOW that information actually enters the cortical circuitry.
Show Post2/7 We have known for more than 3 decades that the occipital cortex of early blind people enhances its response to sounds. In particular, moving (vs static) sounds recruit hMT+/V5, a region typically engaged in processing visual motion in sighted. A result we again reproduce in our study.
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