ASA 4.7.3.1 New Features: * FFT transformation is able to use block lengths up to 120 seconds. * New Telefactor format is supported * Valor / Nervus importer * Offline motor mapping algorithm improved. A flag "positive correlation" distinguishes between fixed-stimulation- and fixed-MEP experimental designs. A cuttoff factor f for efield values smaller than f*E_max reduces artefacts in the map. Bug fixes: * Support of montages with Rate_Coefficient 0 in Micromed importer. * Sampling frequencies are rounded to ints in the Brainvision importer to support. * Trigger latency is now correct in the Neuroscan exporter. * Fixed bug in DICOM importer. * Removed number of trigger limitation in the Schwarzer EEG importer. * electric field calculation for TMS * offline motor mapping * import old TMS sessions * Fixed crash on ERD / ERS feature dialog (prevent zero sample intervals) * Removed beep when creating a new study * Several fixes in Spectrum view * Fixed crash when editing of artefact feature * Fixed crash when executing R-peak detection * Fixed error in export of MRI in Talairach coordinate system to Analyze format * Some Nifti file weren't readable. * Configuration for dual installation (acquisition and stimulation PC) was fixed. * Several fixes in the Spectrum view and the 3D FFT map view. * Measurements with blank first page are now correctly displayed. * Neuroscan importer / exporter. * Telefactor TUFF importer. |
ASA 4.7.0 New Features:* Disabled Visor option in the installer. Visor will get its own installer. * Improved uninstall process, minor registry changes * "Unit" is translated to "uV" when read from .cnt file * Snap to MRI slices * Added possibility to delete coils * Added message box querying user to continue with head shape fit after head shape points have been generated * Adapted image marker setting COM function to set image markers at current crosshair position * Added "Refresh" button to Talairach goto-dialog * Talairach goto-dialog shows x,y,z instead of Sagittal, Coronal, Axial * Talairach MRI display for easy navigation to Talairach coordinates * Motor Mapping * R-Peak Detection * Multiple Acquisition * Offline E-Field Review * Location Picking on Curvilinear Brain Surface * Head Shape Tracking with automatic Coordinate System Correction * Installer automatically adjusts view layouts, depending on whether or not Visor components are selected * New Installer: Introduced new installer which dynamically loads additional data on request * New Installer: Installer now supports silent install * Montage Files: Extended installation so that montages for all supported caps are provided * Documentation: New ASA manual and sample data is added Bug fixes: * EEG and MRI toolbars are visible by default after fresh installation. * Fixes in wrong serialization method * Fixed crash caused by CDSA and list views if a head model or MRI was loaded without EEG * Implemented missing shading on stimulus markers * Image markers can now be deleted using the DEL button without causing a crash * Calculation artefacts (sharp spikes when using filters while recording) removed * Scaling problem in 3D frequency view fixed * Fixed crash when parsing MSR files * E-field mapping now shows correct units * Software not any longer ignores electrode positions loaded before acquisition * Filtering is not any longer executed on pre-filtered data using settings from toolbar * Reaction time example script shows correct number of trigger/response pairs * Talairach positive x is now always towards right ear, independent of local coordinate system * Fixed reading error for old studies * Fixed marker error in MicroMed exporter * Set frequency of rTMS to infinity if stimulus length is zero * Fixed filtering artefacts in single trial extraction * Rendering: Improved thresholds handling for 3D mapping * MEG Data: Application crashed after reading MEG data and head model * Rendering: Under certain circumstances rendering accessed non-valid, switched off channels from montage * Fixed crash when parsing .msr files * Difference Feature: Feature is now able to handle previously created mean results as input |
ASA 4.6.0.8 Build 4.6.0.8 14-October-2008Bug fixes: * Difference Feature: Feature is now able to handle previously created mean results as input |
ASA 4.6.0.7 Build 4.6.0.7 09-October-2008Bug fixes: * Multiple Averages: Having multiple averages with same condition label caused wrong event display * Multiple Inputs: Incorrect averaging of several cnt files (problems with conditions) |
ASA 4.6.0.6 Bug fixes:* Artefact Markers: Setting of artefact markers could result in crash of application * Visor Functionality: Could not switch on display of maximum value for E-Field * Visor Functionality: Could not select item for targetting |
ASA 4.6.0.4 Bug fixes:* Blue Screen: Resolved problem which under certain circumstances could produce a blue screen when drawing lines through Windows API * View Layout Matching: When working with multiple data items the view layouts could have been in wrong order * Channel Selection: Resolved a problem which could crash the application when selecting some channel * Update Rate Settings: Changed update rates so that values best match EEG recordings |
ASA 4.6.0.3 New Features:* Filters now use Butterworth filters (previous implementation using FFT filter with cosine windowing) * New Spike detection feature * New Seizure detection feature * New Artifact Correction feature (e.g., for EOG correction) * EEG/MEG View: multiple events can be inserted by a single click on the EEG Toolbar button * Dongle Licensing: improved handling of dongle licensing (CodeMeter dongle) * New BioSemi EEG file importer * Micromed EEG file importer: added trigger support Notes: * Users have to be aware that the behavior of the new Butterworth filters may be different (but certainly improved) to the behavior of the previous FFT filters. * On Windows Vista a standard user can only start ASA once it has been started once using the option "Run as Administrator". |
ASA 4.5.1.0 * Licensing via CodeMeter dongles is supported* Changes have been applied to target the new TMSI amplifiers |
ASA 4.5.0.5 * Bugfix: Visor targeting helper was not visible* Added Stellate/Nihon Koden importer DLL |
ASA 4.5.0.3 * fixed an issue with the windows registry |
ASA 4.5.0.2 * Bugfix: Previous version could not read studies with Nervus data in it* Basic implementation of online spike detection |
ASA 4.5.0.1 Build 4.5.0.1 12-Oct-2007* Revised Experiment Manager and P300 case study * Reading EEProbe format recorded in Windows Chinese, bug fix * Wavelet feature, output folder is now relative * Segmentation, eraser-pen work (if no markers are set yet) * Several bug fixes in neuronavigation module Build 4.5.0.0 25-Sep-2007 * New Features: Signal Analysis and Transformation & Source Reconstruction - New feature s(w)LORETA in frequency domain: Analysis of s(w)LORETA source localization in frequency domain. - FFT averaging over events: Time intervals relating to events can be averaged in FFT domain. Trigger codes and conditions result in one FFT average per trigger code/condition. Grand averaging is now also available for FFT averages. - Improved EOG Correction: ICA and PCA methods can be used for the correction of ocular artefacts. - New TMS Artefact Correction: feature TMS artefacts are detected and corrected by using a regression method. - New Difference feature: Differences of EEG/MEG, FFT and Wavelet data items can be calculated and saved in a separate data file. - New parameter for Wavelet Analysis: Parameter "Number of Cycles" allows a more precise specification of the resolution in time and frequency domain. - Source Localization features provide option "Generalized Cross Validation": This additional option uses the EEG/MEG data for regularization instead of using a general signal-to-noise ratio. - New feature Sensor Manipulation: Feature provides automatic and manual options for adapting sensor positions to head model shape. - New feature to rearrange 3D images: Feature creates from an image an isotropic image with equal pixel distances in all 3 dimensions. - New feature to create surface for curvilinear reformatting: Feature creates a set of boundaries from a head model to be used for curvilinear reformatting of 3D images - New features to read and write 3D image markers: Feature exports and imports positions of 3D image markers to ASCII file. View - Major improvements in 3D Image view (MRI view): Cutting planes can be freely moved and rotated. - Current frequency in 3D frequency view: Scrolling through frequencies is possible in 3D frequency view. Specifying a certain frequency is also possible by clicking into the spectrum view. - Improved current latency display options: EEG and EEG average view offer advanced display options for the current frequency. - Wavelet display in EEG view: EEG view allows the display of the single components of the wavelet transformation results. - Wavelet display in 3D mapping: 3D Voltage view allows the display of the single components of the wavelet transformation results. - Improved 2D layouts: Added 2D positions for sensors allow improved EEG/MEG and spectrum data in 2D layout. Other - New menu structure: Features are grouped and are thus more easily accessible. Groups (Data, Signal Analysis, Signal Transformation, Source Reconstruction) - New MRI file format: Nifti - PET DICOM images: PET DICOM images are now read by DICOM importer - EEG file formats again usable: Nihon Kohden, Stellate, Valor/Nervus, XLTEK - Import of headshape points: Headshape points can be read with the menu option Data / Electrodes (file types BESA and Neuroscan). - Neuromag .fiff files: Support of 32 bit integer data. Headshape points and head coils are imported together with the MEG/EEG data. Trigger codes are now encoded as binary code. FFT MEG 3D mapping is working again for magnetometer only montage and for gradiometer montages containing one sensor per sensor location. - CTF MEG data: ASA reads now also v 5.0 MEG data files - New control to select data items in views: Tree control allows now to select single components of the Wavelet transformation in views. - New script examples: New script examples are added to evaluate reaction times and to perform peak scoring Bug fixes - Talairach Markers in MRI are loaded correct - Reenabled ASCII export of electrodes - A complete negative averaging interval (e.g. -1.0 - -0.2) can be defined - Conditioning crash, due to look back in event list is removed - Merge channel sets has a correct trigger (.trg) file as a result - Resampling has a correct trigger (.trg) file as a result - Resampling of 5000 KHz results in correct timing of events in .evt und .trg file - Reloading a study witch channel interpolation feature shows correct feature name - EEProbe .avr files are created without .trg file - ASCII EEG/MEG export gives now also for MEG data reasonable values - ASA-LAB recording provides now simple start and stop recording to file from HTML user interface |
ASA 4.1.0.5 * Delivery and reading of 3D source spaces for 'standard' headmodels (including pre-computed matrices)* Talairach markers can be imported and exported to ASA MRI files * Introduction of sLORETA and improved swLORETA feature * Improved description of LORETA, sLORETA and swLORETA feature in online help and manual * Bckaground information is added for of LORETA, sLORETA and swLORETA feature in online help and manual * Faster 3D mapping of EEG and MEG and combined data * Improved sensitivity control for data with more than one unit (e.g. EEG and MEG) * Easy to use notch filter button * Support for Neuromag .fiff float data (e.g. ssst filtered data) * Reading of fiducial points of Neuromag .fiff mri files * New values in high pass filter control of EEG toolbar: 0.6, 0.7, 0.8, 1.0 and 1.2 Hz * Merge Channels Sets works now with multiple segment data * Merge Channels Sets works now with 'uncalibrated' amplifiers (without sampling rate correction) * Group name can be used now as virtual reference in montage * Update of 'Experiment Manager' * Bug fix for dipole scaling of cortical ERD results * Bug fix for crash in conditioning feature * Bug fix for crash in EOG correction feature * Bug fix for ASA EEG exporter * Bug fix in averaging feature (crash after averaging of average) |
ASA 4.1.0.4 * New swLORETA feature* Improved matrix regularization in LORETA feature * Compatibility to 64 bit Windows systems * Improved channel grouping for 4D BTI MEG data * Bug fix in reading of events for Elekta Neuromag MEG data * Bug fix in reading CTF MEG data * Bug fix in conditioning feature for criteria looking back in event list * Event intervals in conditioning feature can be set now to completely negative interval related to event time * Bug fix in EOG correction feature * Bug fix in global maxima/minima computation in EP/ERP marker list view * Improved look back in EEG recording |
ASA 4.1.0.3 * New feature to interpolate 'bad' channels.* Improved feature for channel concatenation (now called: Merge Channels Sets) with new parameter to set target sampling frequency for merged data. Original sampling frequencies are corrected by the evaluation of first and last trigger epoch event. * New items in status view, which show sampling frequency and sample count for EEG/MEG data. * Now standard deviation values are again available after baseline correction. * Rounding problem solved in writing of sampling rate in writing EEProbe format data files. * Bug fix in reading of internal event chunk in EEProbe format data files. * 3D view shows min/max mapping data values * Bug fix in EDF and Neuroscan exporter for zero recording date (00:00:00 00.00.0000) EEG data files * Bug fix in dipole list view fro talairach co-ordinates in positive x-axes to the right mode |
ASA 4.1.0.2 * Bug fix in audio recording for simultaneous recording of video and EEG* Bug fix in resample feature for multi-segment data * New EEG exporter to Micromed EEG data format |
ASA 4.1.0.1 * Improved navigation in offline EEG view during recording* Bug fix in wavelet averaging * Changed result EEProbe data type format of process raw data feature for non averages to raw3 * Bug fix for vanishing maps of derived data items in 3D voltage view * Improved sampling frequency check in spectrum export (add to average option) |
ASA 4.1.0.0 This version allows upgrading your existing ASA-Lab towards synchronized video-EEG. Another new feature creates epoch events from a channel applying thresholds, e.g. from an EMG channel. The MRI view has been improved; it can show multiple slices of the same orientation with adjustable number of slices and distance. A full-screen mode is available for ASA. Several bugs (e.g. performance of export with average reference, computation of standard deviation in averaging, montage editor and others) have been corrected. |
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