unlock/analysis/andres/Code/loadUnlockFile.m File Reference

Functions
Number of EEG leads and extra	channels (EMG, EOG, triggers) nChs
total number of sample	iterations (times data from all channels is collected) rawData
end of	rawData (iIter,:)
place data in bulks of nCols	posData (iIter,:)
if	~isequal (rawData, rawDataRead) warning('Loaded file does not match the one loaded with textread!!') end else%textread will not be supported in the future warning('File%s does not exist in the specified folder!!\n'
if unlockInfo main fileName end	fclose (fileID)
Checking orientation of data Always columns will be rows samples if	szData (1)< szData(2) rawData
resolution factor to multiply raw data to get in µV otherwise	warning ('The specified system,%s, is not supported...yet!', systemID) end%%Getting events
resolution factor to multiply raw data to get in µV otherwise end of trial flags and decoded	target (from the harmonic sum decision-HSD-) unlockData.endTrl
end of trial	flags (-1 by default) unlockData.dcdTgt
Variables
	function [unlockData, unlockInfo]
number of channels Loading file	fileID = fopen(unlockInfo.main.parentFile)
all data in one stream	nIter = length(rawCol{1})/nCols
initializing data vble	posData = nan(nIter,2)
sample number of data sampling iteration Build the matrix with data per sampling clock time for	iIter
start of trial	iEnd = (iIter)*nCols
closing file	szData = size(rawData)
Checking orientation of data Always columns will be	channels
end Data processing done in the	bioamplifier
end Data processing done in the sampling frequency and resolution This should originally be saved in an info structure included in the loaded files switch unlockInfo main systemID Enobio case enobio	Fs = 512
	chSensit = ''
channel sensitivity is	microvolts
channel sensitivity is passing from micro to millivolts	filtHigh = ''
high pass bound for filter	filtLow = ''
low pass bound for filter	resolutFactor = ''
low pass bound for filter	data
decoded	target
data size unlockInfo main	nTrials = sum(unlockData.endTrl)
total number of trials unlockInfo main	nChs = nChs
number of channels unlockInfo main	len = unlockInfo.main.szData(1)

---

Function Documentation

Number of EEG leads and extra channels	(	EMG	,
		EOG	,
		triggers
	)

if unlockInfo main fileName end fclose

(

fileID

)

end of trial flags

(

-1 by

default

)

total number of sample iterations

(

times data from all channels is

collected

)

place data in bulks of nCols posData	(	iIter	,
		:
	)

end of rawData	(	iIter	,
		:
	)

Checking orientation of data Always columns will be rows samples if szData

(

1

)

resolution factor to multiply raw data to get in µV otherwise end of trial flags and decoded target

(

from the harmonic sum decision-HSD-

)

resolution factor to multiply raw data to get in µV otherwise warning	(	'The specified	system,
		%	s,
		is not supported...yet!'	,
		systemID
	)

if ~isequal	(	rawData	,
		rawDataRead
	)

---

Variable Documentation

end Data processing done in the bioamplifier

Checking orientation of data Always columns will be channels

sampling frequency unlockInfo main chSensit = ''

decoded given by the HSD Taken only the channels with real info unlockData data

Initial value:

 (int16 value)*(2*5/(2^16*4))*(Channel Sensitivity in µV) [µV]  
        resolutFactor = (2*5/(2^16*4))*(chSensit)

if fileID = fopen(unlockInfo.main.parentFile)

channel sensitivity is passing from micro to millivolts unlockInfo main filtHigh = ''

high pass bound for filter filtLow = ''

length in samples unlockInfo main Fs = 512

function[unlockData, unlockInfo]

Initial value:

 loadUnlockFile(unlockInfo)
% function [unlockData,unlockInfo] = loadUnlockFile(unlockInfo.main.)
% 
% Loads the recorded data and creates structures with useful information
% for further analysis. Data from recorded EEG channels is in milliVolts. 
%
%
%
% Andres. V1. 17 Dec 2013

nCols = unlockInfo.main.nCols

start of trial iEnd = (iIter)*nCols

sample number of data sampling iteration Build the matrix with data per sampling clock time for iIter

Initial value:

 1:nIter
        iStart = (iIter-1)*nCols + 1

number of channels unlockInfo main len = unlockInfo.main.szData(1)

channel sensitivity is microvolts

total number of trials unlockInfo main nChs = nChs

all data in one stream nIter = length(rawCol{1})/nCols

data size unlockInfo main nTrials = sum(unlockData.endTrl)

initializing data vble posData = nan(nIter,2)

low pass bound for filter [Hz] unlockInfo main resolutFactor = ''

Multiplying by to get data from µV to mV Getting file info unlockInfo main szData = size(rawData)

decoded target