1.Institute for Biological and Medical Imaging (IBMI), Helmholtz Center Munich, Neuherberg, Germany
2.Institute of Developmental Genetics, Helmholtz Center Munich, Neuherberg, Germany
3.Department of Medicine, Technical University of Munich, Munich, Germany
4.Department of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa, Israel
GG Westmeyer, Email: gil.westmeyer@tum.de
S Shoham, Email: shy@technion.ac.il
D Razansky, Email: dr@tum.de
纸质出版日期:2016-12,
网络出版日期:2016-08-15,
收稿日期:2016-03-21,
修回日期:2016-08-09,
录用日期:2016-08-11
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Functional optoacoustic neuro-tomography for scalable whole-brain monitoring of calcium indicators[J]. LSA, 2016,5(4).
Deán-Ben, X. L. et al. Functional optoacoustic neuro-tomography for scalable whole-brain monitoring of calcium indicators. Light: Science & Applications, 5, e16201 (2016).
Functional optoacoustic neuro-tomography for scalable whole-brain monitoring of calcium indicators[J]. LSA, 2016,5(4). DOI: 10.1038/lsa.2016.201.
Deán-Ben, X. L. et al. Functional optoacoustic neuro-tomography for scalable whole-brain monitoring of calcium indicators. Light: Science & Applications, 5, e16201 (2016). DOI: 10.1038/lsa.2016.201.
Non-invasive observation of spatiotemporal activity of large neural populations distributed over entire brains is a longstanding goal of neuroscience.
We developed a volumetric multispectral optoacoustic tomography platform for imaging neural activation deep in scattering brains. It can record 100 volumetric frames per second across scalable fields of view ranging between 50 and 1000 mm
3
with respective spatial resolution of 35–200 μm. Experiments performed in immobilized and freely swimming larvae and in adult zebrafish brains expressing the genetically encoded calcium indicator GCaMP5G demonstrate
for the first time
the fundamental ability to directly track neural dynamics using optoacoustics while overcoming the longstanding penetration barrier of optical imaging in scattering brains. The newly developed platform thus offers unprecedented capabilities for functional whole-brain observations of fast calcium dynamics; in combination with optoacoustics' well-established capacity for resolving vascular hemodynamics
it could open new vistas in the study of neural activity and neurovascular coupling in health and disease.
functional neuro-imaginggenetically encoded calcium indicatorshigh spatiotemporal resolutionlarge-scale brain activityoptoacoustic tomographyphotoacousticsreal-time imaging
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