GUI

 

Letswave

  • Letswave interface
  • Simple view
  • Simple map
  • Find tags

File

  • Copy datafiles
  • Move datafiles
  • Rename datafiles
  • Delete datafiles
  • Delete folder
  • Create folder

Import/Export

Import signals

  • Import Brainvision VHDR files
  • Import EEPROBE/ASA CNT files
  • Import Micromed TRC files
  • Import Letswave 4 structured MAT files
  • Import EEGLAB SET files
  • Import Biosemi BDF files
  • Import CED Signal SGR files
  • Import ASCII
  • Import ASCII (one file, multiple epochs)
  • Import ASCII (multiple files, single epochs)
  • Import MAT
  • Import MAT files
  • Import MAT variable

Export signals

  • Export ASCII
  • Export EEGLAB SET files
  • Export Letswave 4 structured MAT files
  • Export MAT file
  • Export MAT variable
  • Export Fieldtrip structure

Edit

  • Edit properties

History

  • Browse history
  • Generate methods

Tags

  • Add tag
  • Edit tags

Events

  • Add/Edit events
  • Delete duplicate events

Conditions

  • Add/Edit conditions
  • Create conditions from events

Electrodes

  • Edit channel labels
  • Assign standard spherical channel locations
  • Build spline file
  • Assign spline file

Check and fix file associations

  • Check and fix consistency of matrix files
  • Check and fix consistency of spline files
  • Check and fix consistency of headmodel files
  • Check and fix consistency of MRI data

Preprocess

Filters

  • FFT filter
  • Butterworth notch filter
  • Butterworth lowpass filter
  • Butterworth highpass filter
  • Butterworth bandpass filter

Rereference
Segmentation

  • Segmentation relative to events
  • Segmentation relative to events (separate epochs)
  • Segmentation in successive chunks

Baseline operations

  • Baseline correction
  • Advanced baseline operations
  • Baseline operations using two datasets
  • Frequency spectrum SNR transforms

Artifacts

  • Reject artifacted epochs (amplitude criterion)
  • Interpolate noisy electrodes

Frequency transforms

  • FFT
  • Inverse FFT

Time-frequency transforms

  • Continuous Wavelet Transform (CWT)
  • Short-term FFT

Time-frequency filter

  • Build wavelet filter
  • Apply wavelet filter

Scalp Current Density (SCD)
Independent Component Analysis (ICA)

  • Compute ICA matrix (runica)
  • Compute ICA matrix (jader)
  • Assign ICA matrix file
  • Apply ICA filter
  • ICA unmix signals (chans>ICs)
  • ICA remix signals (ICs>chansl)

Resample signals

  • Downsample signals
  • Crop signals
  • Resample (interpolate) signals
  • Chunk epochs

Arrange signals

  • Reorder/Delete epochs
  • Reorder/Delete channels
  • Reorder/Delete indexes
  • Merge epochs of multiple datasets
  • Merge channels of multiple datasets
  • Merge indexes of multiple datasets

Postprocess

Average

  • Average epochs
  • Average (pool) channels

Single-trial analyses

  • Multiple linear regresstion (MLR)
  • Multiple linear regression with distortion factor (MLRd)

Statistics

  • Compare two datasets
  • t-test
  • Wilcoxon test
  • Compare multiple datasets
  • Repeated-measures ANOVA
  • Cross-correlation

Math

  • Math. operations using two datasets
  • Math. operations using a constant
  • Square signals
  • Rectify signals
  • Derivate

Source analysis

  • Dipole fitting
  • Assign channel locations
  • Assign 3-shell head model
  • Assign MRI data
  • Fit dipole(s)

View

  • Multiviewer
  • Wave scalparray
  • Map multiviewer
  • Complex FFT viewer
  • Peak viewer
  • Conditions viewer

Figures

  • Wave figure
  • Map figure
  • Peak figure
  • Conditions figure