Focused ultrasound (FUS) is an emerging technology for non-invasive and controlled blood-brain barrier (BBB) opening for drug delivery successfully tested in clinical trials. To improve the safety of this method, we use optical imaging techniques to better understand the relationship between repeated FUS-BBB opening, neuroinflammation, and alteration of neurovascular coupling in an animal model. We perform 1- and 2-photon microscopy in awake mice to image neuronal activity hemodynamics. Before and following FUS treatment, optical imaging sessions access changes in neuronal activity and/or hemodynamics; FUS treatments are repeated several times to approximate a clinical schedule.
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