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Project Acronym: PHOTATopics: Brain, Cells, Photoacoustic ImagingDisciplinary Fields: Biology, Optical Imagery, Neurobiology, Acoustics, PhysicsSummary: The objective of the PHOTA project is to develop a photoacoustic imaging technique to image neuronal activity at great depths (&#62;1mm) in the brain, particularly in mice. Thanks to an optical measurement of the acoustic field, this technique guarantees a quasi-cellular spatial resolution and a temporal resolution of the order of a millisecond. It provides access to a wide range of fields of view, from a few hundred micrometers to several millimeters. The ability to image the electrical activity of individual neurons at great depths in the brain is likely to have a significant impact in neuroscience.Project Interlocutor: Thomas Chaigne (Institut Fresnel, UMR 7249, équipe MOSAIC)Project Duration: 04/20/2019 - 04/20/2021Call of Proposal: Pépinière d'Excellence 2018Photography credits: Photo by Robina Weermeijer on Unsplash