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Hybrid Hyperalignment: A single high-dimensional model of shared information embedded in cortical patterns of response and functional connectivity [article]

Erica L. Busch, Lukas Slipski, Ma Feilong, J. Swaroop Guntupalli, Matteo Visconti di Oleggio Castello, Jeremy F. Huckins, Samuel A. Nastase, M. Ida Gobbini, Tor D. Wager, James V. Haxby
2020 bioRxiv   pre-print
These results suggest that a single common information space could encode both shared cortical response and functional connectivity profiles across individuals.  ...  The dimensions of this common model can encode any kind of functional profiles shared across individuals, such as cortical response profiles collected during a common time-locked stimulus presentation  ...  Halchenko for helpful discussions and software advice. We also thank John Hudson from Dartmouth Research Computing for support with feisty environments and conflicting multiprocessing packages.  ... 
doi:10.1101/2020.11.25.398883 fatcat:57xxbi3q3fg2fpalnseui7hoya

Hybrid Hyperalignment: A single high-dimensional model of shared information embedded in cortical patterns of response and functional connectivity

Erica L. Busch, Lukas Slipski, Ma Feilong, J. Swaroop Guntupalli, Matteo Visconti di Oleggio Castello, Jeremy F. Huckins, Samuel A. Nastase, M. Ida Gobbini, Tor D. Wager, James V. Haxby
2021 NeuroImage  
These results suggest that a single common information space can encode both shared cortical response and functional connectivity profiles across individuals.  ...  In this study, we developed a new hyperalignment algorithm, hybrid hyperalignment, that derives transformations based on both response-based and connectivity-based information.  ...  Halchenko for helpful discussions and software advice. We also thank John Hudson from Dartmouth Research Computing for support with feisty environments and conflicting multiprocessing packages.  ... 
doi:10.1016/j.neuroimage.2021.117975 pmid:33762217 fatcat:kjkord5yyzevhjgl5c4glp62u4

Endogenous variation in ventromedial prefrontal cortex state dynamics during naturalistic viewing reflects affective experience

Luke J Chang, Eshin Jolly, Jin Hyun Cheong, Kristina M Rapuano, Nathan Greenstein, Pin-Hao A Chen, Jeremy R Manning
2021 Science Advances  
To elucidate the role of the vmPFC in processing our ongoing experiences, we developed a computational framework and analysis pipeline to characterize the spatiotemporal dynamics of individual vmPFC responses  ...  Through a combination of functional magnetic resonance imaging, facial expression tracking, and self-reported emotional experiences across four studies, our data suggest that the vmPFC slowly transitions  ...  Molani, and A. Hoidal who assisted in the data collection. performed all data analyses. All authors wrote the manuscript.  ... 
doi:10.1126/sciadv.abf7129 pmid:33893106 pmcid:PMC8064646 fatcat:lue4gfiglnadlf3vwvouoc3imm