NeuroAnalyzer stable releases

v0.25.5 (01/05/2025)

• plot: plot_connectivity_circle()
• plot: plot_heatmap(), plot_topo() and plot_spectrogram() now can also draw thresholded region
• analyze: topo_var(), diss(), gfp() and gfp_norm() for ERP/ERF objects
• code cleanup
• many minor additions and fixes

v0.25.4 (01/04/2025)

• breaking change: channel_cluster() returns channel numbers, not names
• breaking change: referencing changes locs labels
• plot: default palette changed to bluesreds for some plots (topomap, heatmap, matrix)
• exclude_bads preference was added (default is false) to automatically ignore channels marked as bad from analysis
• all tutorials are automatically generated using Quarto-based Markdown notebooks
• code cleanup
• many minor additions and fixes

v0.25.3 (01/03/2025)

• Julia ≥1.11 is required
• greedy threads scheduler is used: significant speed increase of many functions
• statistical functions moved to (NeuroStats.jl)
• code cleanup
• many minor additions and fixes

v0.25.2 (01/02/2025)

• gui: ifilter() – interactive filter design
• code cleanup
• many minor additions and fixes

v0.25.1 (01/01/2025)

• io: import_ft() imports EEG channels data for MEG+EEG recordings
• analyze: lat_idx() – calculates lateralization index
• analyze: tpt_detect() and tpt_analyze() – detects and analyzes pinches in TPT recordings
• recorder: tpt() – records Two-point Pinch Test
• channels list may now be defined using Julia regex, e.g. plot(eeg, ch=r"Fp.*")
• new data types: TPT
• code cleanup
• many minor additions and fixes

v0.24.12 (01/12/2024)

• io: import_ft() – FieldTrip EEG, MEG, events
• io: import_fiff() imports SSP projections
• gui: iedit() – move locs origin
• process: generate_ssp_projectors() and apply_ssp_projectors()
• code cleanup
• many minor additions and fixes

Breaking changes:

• markers field description renamed to value
• MEG recording header must contain SSP labels, SSP channels and SSP data fields

v0.24.11 (01/11/2024)

• plot: plot_heatmap()
• tested against Julia 1.11 release
• code cleanup
• many minor additions and fixes

v0.24.10 (01/10/2024)

• return types added to all functions for better error handling
• code cleanup
• many minor additions and fixes

v0.24.9 (01/09/2024)

• gui: iview():
  • butterfly / mean mode
  • time/epoch slider
• gui: ipsd():
  • time/epoch slider
  • new channel selector
• gui: ispectrogram():
  • time/epoch slider
  • new channel selector
• gui: itopo():
  • time/epoch entry field
  • compatible with EEG/MEG
• gui: iview_ica():
  • preview and remove ICA components
• code cleanup
• many minor additions and fixes

v0.24.8 (01/08/2024)

• breaking change: channels are addressed by their labels, not numbers; to convert numbers to labels, use get_channel(obj, type="eeg") or get_channel(obj, ch=["Fp1", "Fp2"])
• breaking change: channels are stored as they are in the recording (physical order); list of channels sorted by their type is stored in OBJ.header.recording[:channel_order] (logical order)
• breaking change: channels label is stored in OBJ.header.recording[:label], channel unit is stored in OBJ.header.recording[:unit]
• list of bad channels is stored in the OBJ.header.recording[:bad_channel]
• utils: get_channel()
  • channels may be addressed by name, e.g. ch="Fp1" or ch=["C3", "C4"] or by type, e.g. ch="all", ch="eeg" or ch=["mag", "grad"]
  • supports exclude options (default value is “bad”, so bad channels are excluded from the list)
• initial support for MEG data
• io: import_fiff() – both MEG and EEG data
• gui: iview() – lots of changes:
  • select time segment
  • delete time segment / epoch
  • left click channel label to display its properties
  • right click channel label to mark it as bad
  • zoom in and out
  • scroll with mouse wheel
  • toggle scale bars, monochromatic mode, snapping
• plot: plot_signal() – lots of changes:
  • finally displays properly data with > 100 channels
  • gets list of bad channels from the header
  • channels of different type are not displayed separately, but in logical order
  • scale bars and units are drawn for each channel type
• process: denoise_cwt() – denoise using continuous wavelet transformation
• process: remove_cwt() – remove artifacts using continuous wavelet transformation
• analyze: cwtspectrogram() – improved CWT scaleogram
• analyze: psd() – new methods: :gh, :cwt
• code cleanup
• many minor additions and fixes

v0.24.7 (01/07/2024)

• stim: tdcs_dose(), tacs_dose(), tpcs_dose() – calculate effective parameters of tES dosages
• process: filter_create() – new filter type: weighted least-squares FIR filter
• gui: iview() can show bad channels
• process: erp() – baseline segment is defined by two time points, may be subtracted before or after averaging
• analyze: PSD- and spectrogram-, EROS-, EROP-related functions – log scaling of frequencies removed, moved to plotting functions
• code cleanup
• many minor additions and fixes

v0.24.6 (01/06/2024)

• recorder: eda() and ieda() – record electrodermal activity using GSR sensor and Arduino via serial port
• recorder: ftt() and iftt() – can record data from a console attached to Raspberry Pi via GPIO pin or to Raspberry Pi/Arduino via serial port
• edit: add_channel() and add_chanel!() – channel(s) may be added to an object already containing channels
• analyze: symmetry() – calculate signal symmetry
• misc: iplay() and play() – play signal as audio file
• code cleanup
• many minor additions and fixes

v0.24.5 (01/05/2024)

• process: mlinterpolate_channel() – interpolate bad channel using MLJ regressor
• process: use reference epochs for mlinterpolate_channel() and lrinterpolate_channel()
• edit: subepoch() – extract sub-epochs of reduced time range
• plugins: na_plugin_install() – plugins can be installed from a local .zip/.tar.gz archive or using Git repository URL
• code cleanup
• many minor additions and fixes

v0.24.4 (01/04/2024)

• NeuroAnalyzer has been added to JuliaHealth
• submodule NeuroTester added – design and run psychological studies
• submodule NeuroStim added – process and model neurostimulation techniques
• recorder: ftt() – Finger Tapping Test (CLI mode)
• analyze: cpsd() – cross-power spectral density
• analyze: pacf() – partial auto-correlation
• analyze: coherence()
• plot: plot_coherence()
• code cleanup
• many minor additions and fixes

v0.24.3 (01/03/2024)

• submodule NeuroRecorder added – record neurophysiological data
• recorder: iftt() – Finger Tapping Test
• gui: iselect_seg() – select matrix segment
• analyze: hjorth()
• analyze: peak_frq()
• analyze: sef() – spectral edge frequency
• analyze: phsd() – phase spectral density
• analyze: axc2frq() – detect peaks in auto-/cross- correlation/covariance and transform them into frequencies
• plot: plot_phsd()
• statistics: seg_extract() – extract rectangular or circular segment from a matrix
• code cleanup
• many minor additions and fixes

v0.24.2 (01/02/2024)

• NeuroAnalyzer is registered in the Julia general registry
• new data types: iEEG, sEEG, ECoG
• new channel types: ieeg, seeg, ecog
• io: import_ncs()
• io: import_xdf()
• gui: itopo()
• gui: iselect_ts()
• plots: plot_ci()
• analysis: gradient()
• analysis: biased or unbiased auto-/cross- correlation/covariance
• edit: sort_epochs()
• statistics: many new statistical functions
• code cleanup
• many minor additions and fixes

v0.24.1 (01/01/2024)

• Julia ≥1.10 is required
• new data type: MEP
• io: import_cnt()
• io: import_duomag()
• io: import_thymatron()
• io: load_locs_dat()
• io: load_locs_asc()
• io: detect montage when importing EEG files
• plots: plot_mep()
• analysis: mep_peaks()
• process: improved artifacts detection (using tkeo())
• process: rename channels when referencing
• gui: iview() use mouse wheel to scroll channels
• code cleanup
• many minor additions and fixes

v0.23.12 (01/12/2023)

• locs: locs_generate() – generate spherical coordinates according to 10/10 system
• io: import_npy()
• statistics: ci_median(), ci_r(), ci2z(), r_test()
• code cleanup
• many minor additions and fixes

v0.23.11 (01/11/2023)

• gui: iplot_icatopo() – interactive ICA viewer
• gui: iview() plots components and two NEURO objects
• gui: iedit() snapping to time points
• edit: delete_optode()
• locs: load_locs() generates locs for EMG/EOG/M1/M2/A1/A2 electrodes
• new data type: sensors
• code cleanup
• many minor additions and fixes

v0.23.10 (01/10/2023)

• gui: iedit_ch() – interactive channel and locations editor
• gui: iview_plot() – interactive plot viewer
• gui: iplot_locs3d() – interactive 3D locs preview
• gui: improved iview(), iplot(), ipsd(), ispectrogram()
• locs: improved locs architecture and functions
• plot: rewritten plot_locs(), plot_topo(), plot_weights() and plot_connections() functions – locs can be projected in 3 planes (XY, XZ and YZ)
• plot: add_locs() – locs preview can be placed over another plot
• analysis: improved methods of calculating PSD and spectrogram
• fix: FFTW provider on non-Intel/AMD architectures
• plot: GLMakie dependencies removed – significantly reduced startup time
• code cleanup
• many minor additions and fixes

v0.23.9 (01/09/2023)

• updated interactive editor
• plot: iplot(), ipsd(), ispectrogram()
• plot: plot PSD and spectrograms for a time segment
• initial SEEG support
• IO: import_montage()
• IO: import_nwb() (WIP)
• created lite branch (with graphical functions removed)
• code cleanup
• many minor additions and fixes

v0.23.8 (01/08/2023)

• license changed to 2-clause BSD
• analysis: heart rate variability hrv_detect(), hrv_analyze()
• process: ica_decompose(), ica_reconstruct(), ica_remove()
• plot: plot_icatopo()
• plot: plot(obj1, obj2)
• plot: preview(obj1, obj2)
• locs: locs_rotx(), locs_roty(), locs_rotz()
• tested against upcoming Julia 1.10 release
• code cleanup
• many minor additions and fixes

v0.23.7 (01/07/2023)

• plot: preview(): interactive (Gtk-based) preview and edit epoched/continuous signal
• process: remove_powerline()
• process: remove_pops()
• initial support for ECoG data
• Docker container
• code cleanup
• many minor additions and fixes

v0.23.6 (01/06/2023)

• edit: create()
• edit: join() and join!()
• analyze: acor(), xcor(), acov(), xcov()
• Julia ≥ 1.9.0 is now required
• code cleanup
• many minor additions and fixes

v0.23.5 (01/05/2023)

• new data type: ERP
• IO: GDF files
• IO: improved import_set() (epochs, locs, markers)
• IO: improved import_bv()
• IO: import_edf() accepts multi-sampling rate files
• analyze: amp_at() and avgamp_at() for ERPs
• edit: ch2marker()
• utils: to_df()
• time segments are in seconds
• code cleanup
• more tutorials
• many minor additions and fixes

v0.23.4 (01/04/2023)

• complete rewriting of NeuroAnalyzer functions
• new architecture allows easy expanding with new types of neurophysiological data
• new data types: EEG, NIRS, MEG
• new channel types (csd, nirs, mag, grad, meg)
• IO: NIRS/SNIRF/NIRX files (NIRS)
• IO: MEG FIFF files (very WIP)
• process: convert intensity to optical density (NIRS)
• process: convert optical density to HbO/HbR/HbT concentrations (NIRS)
• plot: new way of plotting channels of different types
• plot: 2D dipole plot (WIP)
• unit tests were completely rewritten
• code cleanup
• more tutorials
• many minor additions and fixes

v0.23.3 (01/03/2023)

• IO: EEGLAB .set files (WIP)
• IO: CSV files
• IO: GEO electrode locations
• process: transform using surface Laplacian
• process: improved FIR filter (automated filtering window)
• process: improved polynomial filter
• plot: 3D dipole plot (WIP)

v0.23.2 (01/02/2023)

• import Philips Alice4 polysomnography EDF (non-standard, multi-sampling rate)
• user defined number of Slepian tapers for PSD
• processing of electrode locations updated, added rotating and scaling
• code cleanup
• more tutorials
• many minor additions and fixes

v0.23.1 (01/01/2023)

• automated epoching by event markers
• ERP: create, plot
• interpolate EEG channel using linear regression
• continuous integration (CI): tests, documentation, website
• more tutorials
• many minor additions and fixes

v0.22.12 (01/12/2022)

• plotting functions were completely rewritten
• new plot types added (multi-channel PSD, eeg_plot_stats())
• import BrainVision
• tutorials at https://neuroanalyzer.org/#tutorials
• eeg_*() functions now operate on specified channels
• improved auto-detection of bad channels/epochs
• many minor additions and fixes

v0.22.11 (01/11/2022)

• user-managed preferences
• virtual channels
• progress meter
• continuous and discrete wavelet transformations
• Hilbert transformation envelope
• improved connectivity plot
• proper handling of negative frequencies in FFT spectrum
• Jupyter notebook
• many minor additions and fixes

v0.22.10 (01/10/2022)

• project website: https://neuroanalyzer.org
• IO: Digitrack, CSD
• Pluto notebook
• study object (WIP)
• automatically process only EEG/MEG signals where necessary (WIP)
• new logo
• many minor additions and fixes

v0.22.9 (01/09/2022)

• name changed to NeuroAnalyzer to comply with Julia package naming policy
• IO: EDF+, BDF and BDF+ with annotations
• view/edit annotations
• interactive 3D preview of electrodes
• PSD topomap
• edit electrode locations
• automated processing of signal channels only (WIP)
• benchmarking module (WIP)
• many minor additions and fixes

v0.22.8 (01/08/2022)

• initial CUDA support
• new reference mode: simple (planar) Laplacian
• plugins use git
• many minor additions and fixes

v0.22.7 (01/07/2022)

• first official release

Git commits

Stable branch

Devel branch