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neuRosim (version 0.2-14)

Simulate fMRI Data

Description

Generates functional Magnetic Resonance Imaging (fMRI) time series or 4D data. Some high-level functions are created for fast data generation with only a few arguments and a diversity of functions to define activation and noise. For more advanced users it is possible to use the low-level functions and manipulate the arguments. See Welvaert et al. (2011) .

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Version

Install

install.packages('neuRosim')

Monthly Downloads

303

Version

0.2-14

License

GPL (>= 2)

Maintainer

Karsten Tabelow

Last Published

October 18th, 2023

Functions in neuRosim (0.2-14)

Generate design matrix.

Generate temporally correlated noise

Generate activation image

Generate a stimulus boxcar function.

Double-gamma Haemodynamic reponse function

neuRosim-package

Functions to Generate fMRI Data Including Activated Data, Noise Data and Resting State Data

Simulate 3D or 4D fMRI data

GaussSmoothKernel

Calculates a discrete Gaussian smoothing kernel (adopted from AnalyzeFMRI)

Simulate fMRI time series

The Rice Distribution

Single Gamma Haemodynamic response function.

Generate physiological noise

Prepare spatial structure of the data

simTSrestingstate

Simulate fMRI resting state time series

Generate task-related noise

simprepTemporal

Prepare temporal structure of the data

Generate spatially correlated noise

Generate low frequency drift

Simulate a GRF (adopted from AnalyzeFMRI)

Generate system noise