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Bayesian hypothesis testing and experimental design for two-photon imaging data.


ABSTRACT: Variability, stochastic or otherwise, is a central feature of neural activity. Yet the means by which estimates of variation and uncertainty are derived from noisy observations of neural activity is often heuristic, with more weight given to numerical convenience than statistical rigour. For two-photon imaging data, composed of fundamentally probabilistic streams of photon detections, the problem is particularly acute. Here, we present a statistical pipeline for the inference and analysis of neural activity using Gaussian Process regression, applied to two-photon recordings of light-driven activity in ex vivo mouse retina. We demonstrate the flexibility and extensibility of these models, considering cases with non-stationary statistics, driven by complex parametric stimuli, in signal discrimination, hierarchical clustering and other inference tasks. Sparse approximation methods allow these models to be fitted rapidly, permitting them to actively guide the design of light stimulation in the midst of ongoing two-photon experiments.

SUBMITTER: Rogerson LE 

PROVIDER: S-EPMC6693774 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Bayesian hypothesis testing and experimental design for two-photon imaging data.

Rogerson Luke E LE   Zhao Zhijian Z   Franke Katrin K   Euler Thomas T   Berens Philipp P  

PLoS computational biology 20190802 8


Variability, stochastic or otherwise, is a central feature of neural activity. Yet the means by which estimates of variation and uncertainty are derived from noisy observations of neural activity is often heuristic, with more weight given to numerical convenience than statistical rigour. For two-photon imaging data, composed of fundamentally probabilistic streams of photon detections, the problem is particularly acute. Here, we present a statistical pipeline for the inference and analysis of neu  ...[more]

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