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Year of Publication: 2021
Project: Layer Specific fMRI
FIM Authors:
Authors:
  • Peter Bandettini
  • Laurentius Huber
  • Emily Finn
Abstract: Layer fMRI, requiring high field, advanced pulse sequences, and sophisticated processing methods, has emerged in the last decade. The rate of layer fMRI papers published has grown sharply as more groups are overcoming the substantial technical challenges and the unique advantages are becoming clear. Rather than simple delineation of functional activation, layer fMRI promises to provide directional activity and connectivity measures as they are inferred by the layer-specific location. This short review highlights the methods used to achieve layer fMRI as well as the challenges in acquisition, processing and interpretation. It emphasizes the utility of extensive individual averaging as well as the extreme difficulty of cross subject averaging. It also highlights recent studies that have explored layer fMRI in cognitive tasks as well as resting state connectivity studies that have revealed cortical hierarchy.
Journal: Current Opinion in Behavioral Neurosciences
Volume: 40
URL:
DOI: doi.org/10.1016/j.cobeha.2021.06.002