神经数据SNR计算.rar_spike_spike数据_神经信号_神经信号信噪比_神经元数据

function varargout = openNEV(varargin) % openNEV % % Opens an .nev file for reading, returns all file information in a NEV % structure. Works with File Spec 2.1 & 2.2 & 2.3. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Use OUTPUT = openNEV(fname, 'read', 'report', 'noparse', 'nowarning', % 'nosave', 'nomat', 'uV', 'overwrite'). % % NOTE: All input arguments are optional. Input arguments may be in any order. % % fname: Name of the file to be opened. If the fname is omitted % the user will be prompted to select a file using an open % file user interface. % DEFAULT: Will open Open File UI. % % 'read': Will read the spike waveforms if user passes this argument. % DEFAULT: will not read spike waveform. % % 'report': Will show a summary report if user passes this argument. % DEFAULT: will not show report. % % 'parse': The code will not parse the experimental parameters in digital I/O. % See below for guidelines on how to format your parameters. % DEFAULT: will not parse the parameters. % % 'nowarning': The code will not give a warning if there is an error in % parsing. % DEFAULT: will give warning message. % % 'nosave': The code will not save a copy of the NEV structure as a % MAT file. By default the code will save a copy in the same % folder as the NEV file for easy future access. % DEFAULT: will save the MAT file. % % 'nomat': Will not look for a MAT file. This option will force % openNEV to open a NEV file instead of any available MAT % files. % DEFAULT: will load the MAT file if available. % % 'uV': Will read the spike waveforms in unit of uV instead of % raw values. Note that this conversion may lead to loss of % information (e.g. 15/4 = 4) since the waveforms type will % stay in int16. It's recommended to read raw spike % waveforms and then perform the conversion at a later % time. % DEFAULT: will read waveform information in raw. % % '8bits': Indicates that 8 bits on the digital IO port was used % instead of 16 bits. % DEFAULT: will assumes that 8 bits of digital IO were used. % % 't:': Indicats the time window of the NEV file to be read. For % example, if t: is set to 2 (i.e. 't:0.6') % then only the first 2 seconds of the file is to be read. If set % to 2-50 (i.e. 't:2:50) then the time between 2 seconds % and 50 seconds will be read. % DEFAULT: the entire file will be read if 't:xx:xx' is not % passed to the function. % % 'overwrite': If MATLAB loads a NEV file using 'nomat' and a MAT file % already exists, by default it will prompt the user to % allow for overwriting the old MAT. Passing the % 'overwrite' flag will automatically overwrite the newly % opened NEV file ont the old MAT file. % DEFAULT: will ask the user whether to overwrite the old % MAT. % % OUTPUT: Contains the NEV structure. % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % USAGE EXAMPLE: % % openNEV('report','read'); % % In the example above, the file dialogue will prompt for a file. A % report of the file contents will be shown. The digital data will not be % parsed. The data needs to be in the proper format (refer below). The % spike waveforms are in raw units and not in uV. % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % DIGITAL PARAMETERS/MARKERS FORMAT: % % In order for this function to parse your experimental parameters they % need to be in the following format: % % *ParamLabel:Parameter1=value1;Parameter2=value2;Parameter3=value3;# % % TWO EXAMPLES: % *ExpParameter:Intensity=1.02;Duration=400;Trials=1;PageSegment=14;# % % *Stimulation:StimCount=5;Duration=10;# % % In the first example, the parameter is of type "ExpParameter". The % parameters are, "Intensity, Duration, Trials, and PageSement." The % values of those parameters are, "1.02, 400, 1, and 14," respectively. % The second example is of type "Stimulation". The name of the parameters % are "StimCount" and "Duration" and the values are "5" and "10" % respectively. % ----------------------------------------------------------------------- % It can also read single value markers that follow the following format. % % *MarkerName=Value;# % % EXAMPLES: *WaitSeconds=10;# OR *JuiceStatus=ON;# % % The above line is a "Marker". The marker value is 10 in the first % and it's ON in the second example. % ----------------------------------------------------------------------- % Moreover, the marker could be a single value: % % *MarkerValue# % % EXAMPLES: *JuiceOff# OR *HandsOnSwitches# % ----------------------------------------------------------------------- % The label, parameter name, and values are flexible and can be anything. % The only required formatting is that the user needs to have a label % followed by a colon ':', followed by a field name 'MarkerVal', followed % by an equal sign '=', followed by the parameter value '10', and end % with a semi-colon ';'. % % NOTE: % Every line requires a pound-sign '#' at the very end. % Every line requires a star sign '*' at the very beginning. If you % use LabVIEW SendtoCerebus.vi by Kian Torab then there is no need for % a '*' in the beginning. % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Kian Torab % [email protected] % Blackrock Microsystems % % Version 4.3.3.0 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Defining structures NEV = struct('MetaTags',[], 'ElectrodesInfo', [], 'Data', []); NEV.MetaTags = struct('Subject', [], 'Experimenter', [], 'DateTime', [],... 'SampleRes',[],'Comment',[],'FileTypeID',[],'Flags',[], 'openNEVver', [], ... 'DateTimeRaw', [], 'FileSpec', [], 'PacketBytes', [], 'HeaderOffset', [], ... 'DataDuration', [], 'DataDurationSec', [], 'PacketCount', [], ... 'TimeRes', [], 'Application', [], 'Filename', [], 'FilePath', []); NEV.Data = struct('SerialDigitalIO', [], 'Spikes', [], 'Comments', [], 'VideoSync', [], ... 'Tracking', [], 'TrackingEvents', [], 'PatientTrigger', [], 'Reconfig', []); NEV.Data.Spikes = struct('TimeStamp', [],'Electrode', [],... 'Unit', [],'Waveform', [], 'WaveformUnit', []); NEV.Data.SerialDigitalIO = struct('InputType', [], 'TimeStamp', [],... 'TimeStampSec', [], 'Type', [], 'Value', [], 'InsertionReason', [], 'UnparsedData', []); NEV.Data.VideoSync = struct('TimeStamp', [], 'FileNumber', [], 'FrameNumber', [], 'ElapsedTime', [], 'SourceID', []); NEV.Data.Comments = struct('TimeStamp', [], 'TimeStampSec', [], 'CharSet', [], 'Color', [], 'Text', []); NEV.Data.Tracking = struct('TimeStamp', [], 'TimeStampSec', [], 'MarkerCount', [], 'X', [], 'Y', []); NEV.Data.TrackingEvents = struct('TimeStamp', [], 'TimeStampSec', [], 'Text', []); NEV.Data.PatientTrigger = struct('TimeStamp', [], 'TriggerType', []); NEV.Data.Reconfig = struct('TimeStamp', [], 'ChangeType', [], 'CompName', [], 'ConfigChanged', []); Flags = struct; NEV.MetaTags.openNEVver = '4.3.3.0'; %% Check for multiple versions of openNEV in path if size(which('openNEV', '-ALL'),1) > 1 disp('WARNING: There are multiple openNEV functions in the path. Use w