browse_data: Browse EEG data

In craddm/eegUtils: Utilities for Electroencephalographic (EEG) Analysis

Browse EEG data

Description

A Shiny gadget for browsing EEG data and ICA decompositions interactively. With EEG data (epoched or continuous), data can be viewed as a butterfly plot (all electrodes overlaid) or as individual traces (electrodes "stacked"). For eeg_ICA objects, you will instead be shown a composite of multiple properties of the decomposition - a topography, an ERP image, an ERP, and a power spectral density plot from 4-50 Hz.

Usage

browse_data(data, ...)

## S3 method for class 'eeg_ICA'
browse_data(data, ...)

## S3 method for class 'eeg_data'
browse_data(data, sig_length = 5, downsample = TRUE, ...)

## S3 method for class 'eeg_epochs'
browse_data(data, sig_length = 5, downsample = FALSE, ...)

Arguments

data	eeg_data, eeg_epochs, or eeg_ICA object to be plotted.
...	Other parameters passed to browsing functions.
sig_length	Length of signal to be plotted initially (seconds if continuous, epochs if epoched).
downsample	Only works on eeg_data or eeg_epochs objects. Reduces size of data by only plotting every 4th point, speeding up plotting considerably. Defaults to TRUE for eeg_data, FALSE for eeg_epochs

Value

A character vector of component names selected for rejection.

Methods (by class)

• browse_data(eeg_ICA): View eeg_ICA component properties

• browse_data(eeg_data): Browse continuous EEG data.

• browse_data(eeg_epochs): Browse epoched EEG data.

Author(s)

Matt Craddock [e-mail]

craddm/eegUtils documentation built on March 1, 2025, 3:23 p.m.