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Abstract #0387

0.1-Hz oscillation in fMRI BOLD signals and full-band LFPs in rat cortex

Wen-Ju Pan 1 , Garth Thompson 1 , Jacob Billings 1 , Josh Grooms 1 , Sadia Shakil 1,2 , and Shella Keilholz 1

1 Biomedical Engineering, Emory University/ Georgia Institute of Technology, Atlanta, GA, United States, 2 Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States

Cerebral slow vasomotion, termed 0.1-Hz oscillation, might confound neurovascular coupling in resting-state fMRI BOLD signal. To explore neural contribution to the 0.1-Hz oscillation, simultaneous fMRI and full-band LFP recording in rat cortex were performed. Coherence analyses on the concurrent BOLD, infraslow LFPs and high-frequency LFPs revealed close relationship between each others at ~0.1 Hz during spontaneous oscillation.

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