Jan 19, 2012

Modeling two-photon calcium fluorescence of episodic V1 recordings using multifrequency analysis

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Henry W ZhengEmery N Brown

Abstract

The use of two-photon microscopy allows for imaging of deep neural tissue in vivo. This paper examines frequency-based analysis to two-photon calcium fluorescence images with the goal of deriving smooth tuning curves. We present a multifrequency analysis approach for improved extraction of calcium responses in episodic stimulation experiments, that is, when the stimulus is applied for a number of frames, then turned off for the next few frames, and so on. Episodic orientation stimulus was applied while recording from the primary visual cortex of an anesthetized mouse. The multifrequency model demonstrated improved tuning curve descriptions of the neurons. It also offers perspective regarding the characteristics of calcium fluorescence imaging of the brain.

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Mentioned in this Paper

Calcium [EPC]
Calcium
Neurons
Brain
Fluorescence
Microscopy
Brodmann Area 17
Area Striata Structure
Calcium Supplements
Calcium Measurement

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