ArticleLight, science & applications2026
Two-photon 3D imaging of optically stimulated neural activity at 100 Hz.
Article in Light, science & applications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
4 authors.
Funding
Abstract
Understanding how neurons integrate synaptic inputs requires imaging techniques capable of capturing rapid, three-dimensional dendritic events. These processes occur on millisecond timescales and submicron spatial scales, exceeding the speed of conventional two-photon microscopy (2PM). We developed dual-view Bessel two-photon projection microscopy (dv-B2PM), a high-speed volumetric imaging approach that achieves 100 Hz whole-volume acquisition with synaptic-level resolution. dv-B2PM simultaneously records two orthogonal projections of the same 3D volume, preserving spatial information while minimizing ambiguity from structural overlap. Combining dv-B2PM with two-photon glutamate uncaging, we visualized 3D Ca²⁺ dynamics in neurons following localized stimulation. Multi-timescale analysis revealed dendrite-to-soma Ca²⁺ signal propagation, back propagated Ca²⁺ signal from the soma, and multi-frequency (5-40 Hz) Ca²⁺ transients activated along apical dendrites at speeds from ten of microns per second to millimeters per seconds. These findings demonstrate dv-B2PM as a powerful tool for direct visualization of 3D calcium dynamics associated with dendritic integration across extended neuronal structures, bridging the gap between optical imaging and the dynamic biophysics of neuronal integration.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.