Nature CommunicationsUltraFast Layer-Resolved Encoding (uFLARE) functional MRI deciphers bidirectional signaling from spontaneous activityJoana CarvalhoFrancisca F. FernandesMafalda ValenteKoen V. HaakNoam Shemesh2026-05-04Full textDOI https://doi.org/10.1038/s41467-026-71506-9