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8ad6950 Jan 14, 2016
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neuroGLM

Supports flexible regression analyses of trial-based spike train data using a Generalized Linear Model (GLM). This modeling framework aims to discover how neural responses encode both external (e.g., sensory, motor, reward variables) and internal (e.g., spike history, LFP signals) covariates of the response.

This MATLAB code is a reference implementation for the analyses found in Park et al. 2014.

Downloading the repository

  • From command line:

    git clone git@github.com:pillowlab/neuroGLM.git

  • In browser: click to Download ZIP and then unzip archive

Example Script

Open tutorial.m to see it in action using a simulated dataset

Simple Overview

Suppose we record spike responses from a single neuron during a complex behavioral experiment, and would like to know what aspects of the stimulus or behavior are encoded in the neural response. This code package allows us to discover such dependencies using Poisson GLM regression.

Consider a simple example in which a neuron encodes two experimental variables: the time at which a visual target appears, and the motion strength of a moving-dots stimulus. The regressors are the time at which the targets appear, and the time, duration, and strength ("coherence") of the moving dots on each trial.

Extra documentation

Reference