Title: Calcium imaging at kHz frame rates resolves millisecond timing in neuronal circuits and varicosities
Authors: Martens, Michiel
Boesmans, Werend
Vanden Berghe, Pieter # ×
Issue Date: Aug-2014
Series Title: Biomedical optics express vol:5 issue:8 pages:2648-61
Article number: 10.1364/BOE.5.002648
Abstract: We have configured a widefield fast imaging system that allows imaging at 1000 frames per second (512x512 pixels). The system was extended with custom processing tools including a time correlation method to facilitate the analysis of static subcellular compartments (e.g. neuronal varicosities) with enhanced contrast, as well as a dynamic intensity processing (DIP) algorithm that aids in data size reduction and fast visualization and interpretation of timing and directionality in neuronal circuits. This system, together with our custom developed processing tools enables efficient detection of fast physiological events, such as action potential dependent calcium steps. We show, using a specific blocker of nerve communication, that with this setup it is possible to discriminate between a pre and post synaptic event in an all optical way.
ISSN: 2156-7085
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Translational Research in GastroIntestinal Disorders
× corresponding author
# (joint) last author

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