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- W4285391509 abstract "Functional magnetic resonance imaging (fMRI) with optogenetic neural manipulation is a powerful tool that enables brain-wide mapping of effective functional networks. To achieve flexible manipulation of neural excitation throughout the mouse cortex, we incorporated spatiotemporal programmable optogenetic stimuli generated by a digital micromirror device into an MR scanner via an optical fiber bundle for the first time. This approach offered versatility in space and time in planning the photostimulation pattern, combined with in situ optical imaging and cell-type or circuit-specific genetic targeting in individual mice. Brain-wide effective connectivity obtained by fMRI with optogenetic stimulation of atlas-based cortical regions is generally congruent with anatomically defined axonal tracing data but is affected by the types of anesthetics that act selectively on specific connections. fMRI combined with flexible optogenetics opens a new path to investigate dynamic changes in functional brain states in the same animal through high-throughput brain-wide effective connectivity mapping." @default.
- W4285391509 created "2022-07-14" @default.
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- W4285391509 date "2022-07-13" @default.
- W4285391509 modified "2023-10-16" @default.
- W4285391509 title "Whole-brain mapping of effective connectivity by fMRI with cortex-wide patterned optogenetics" @default.
- W4285391509 doi "https://doi.org/10.1101/2022.07.12.499420" @default.
- W4285391509 hasPublicationYear "2022" @default.
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