Scanless two-photon voltage imaging

RR Sims, I Bendifallah, C Grimm… - Nature …, 2024 - nature.com
Two-photon voltage imaging has long been heralded as a transformative approach capable
of answering many long-standing questions in modern neuroscience. However, exploiting …

Multicore fiber optic imaging reveals that astrocyte calcium activity in the mouse cerebral cortex is modulated by internal motivational state

YTA Gau, ET Hsu, RJ Cha, RW Pak, LL Looger… - Nature …, 2024 - nature.com
Astrocytes are a direct target of neuromodulators and can influence neuronal activity on
broad spatial and temporal scales in response to a rise in cytosolic calcium. However, our …

Advantages of internal reference in holographic sha** ps supercontinuum pulses through multimode optical fibers

L Piscopo, L Collard, F Pisano, A Balena… - Optics …, 2024 - opg.optica.org
The use of wavefront sha** has found extensive application to develop ultra-thin
endoscopic techniques based on multimode optical fibers (MMF), leveraging on the ability to …

Fourier holographic endoscopy for imaging continuously moving objects

M Kang, W Choi, W Choi, Y Choi - Optics Express, 2023 - opg.optica.org
Coherent fiber bundles are widely used for endoscopy, but conventional approaches require
distal optics to form an object image and acquire pixelated information owing to the …

Reconfigurable Integrated Thermo-Optics for Aberration Correction

JM Panadés, N Rutz, HML Robert, RT Steffen… - ACS …, 2024 - ACS Publications
As miniaturization becomes a growing trend in optical systems, the ability to precisely
manipulate wavefronts within micrometric pupils becomes crucial. Extensive efforts to …

Close-packed dual-color micro-LEDs enable cortical-layer-specific bidirectional in vivo optogenetic electrophysiology

D Mao, F Sun, B Driscoll, Z Li, G Xu - Cell Reports Physical Science, 2023 - cell.com
Optogenetics promises to manipulate the brain circuitry by exciting or inhibiting the same
neurons via different colors of light (ie, bidirectionality), and furthermore, to co-work with …

A paradigm for ethanol consumption in head-fixed mice during prefrontal cortical two-photon calcium imaging

A Kalelkar, G Sipe, ARCE Costa, IM Lorenzo… - …, 2024 - Elsevier
The prefrontal cortex (PFC) is a hub for cognitive behaviors and is a key target for
neuroadaptations in alcohol use disorders. Recent advances in genetically encoded …

Updated Toolbox for Assessing Neuronal Network Reconstruction after Cell Therapy

A Gonzalez-Ramos, C Puigsasllosas-Pastor… - Bioengineering, 2024 - mdpi.com
Cell therapy has proven to be a promising treatment for a range of neurological disorders,
including Parkinson Disease, drug-resistant epilepsy, and stroke, by restoring function after …

Multicolor two-photon light-patterning microscope exploiting the spatio-temporal properties of a fiber bundle

A Lorca-Cámara, C Tourain, V de Sars… - Biomedical Optics …, 2024 - opg.optica.org
The development of efficient genetically encoded indicators and actuators has opened up
the possibility of reading and manipulating neuronal activity in living tissues with light. To …

Miniature Two-Photon Microscopic Imaging Using Dielectric Metalens

C Wang, Q Chen, H Liu, R Wu, X Jiang, Q Fu… - Nano Letters, 2023 - ACS Publications
Miniature two-photon microscopy has emerged as a powerful technique for investigating
brain activity in freely moving animals. Ongoing research objectives include reducing probe …