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Visualization

Functions for visualization of HD-EEG data

animate_scalp()
3D scalp plot animation in time
animate_topo()
Topographic map animation in time
animate_topo_mean()
Animate EEG average topographic map with confidence bounds
boxplot_epoch()
Plot boxplots of EEG amplitude on epoch level
boxplot_subject()
Plot boxplots of EEG amplitude across subjects
boxplot_rt()
Plot boxplots of response times
interactive_waveforms()
Plot interactive waveform graph
interactive_surfaceplot()
Interactive 3D surface topographic plot of EEG signal
interactive_surfaceplot_curves()
Interactive 3D surface plot of EEG signal over time
plot_point_mesh()
Plot point mesh
plot_time_mean()
Plot time curve of average EEG signal with confidence interval
plot_topo_mean()
Plot topographic map of average EEG signal
scalp_plot()
Plot scalp map of EEG signal
topo_plot()
Plot topographic map of EEG signal

Computational and Utility Functions

Functions supporting HD-EEG data processing, analysis and visualization

baseline_correction()
Baseline correction
compute_mean()
Calculate mean in temporal or spatial domain
check_structure()
Check data structure and print inferred hierarchy
create_scale()
Create colour scale used in topographic figures
make_triangulation()
Make triangulation of 2D point mesh
outliers_epoch()
Select outlier epochs
pick_data()
Subsets EEG data by group, subject, sensor, time, experimental condition or epoch
pick_region()
Choose region of interest
point_mesh()
Create regular mesh of points
summary_stats_rt()
Compute summary statistics of reaction times

Datasets

Example HD-EEG data for practicing package functionality

HCGSN256
Coordinates of 256-channel HCGSN sensors
biosemi128
Coordinates of the spherical BioSemi system with 128 electrodes
biosemi256
Coordinates of the spherical BioSemi system with 256 electrodes
system1005
Coordinates of the spherical 10-05 system sensors
epochdata
Example high-density (HD-EEG) epoched data
rtdata
Example response time data