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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Hope this email reaches you well. I am trying to save the data from specific EEG frequencies for each participant so that I can analyse the data off-line. My data was acquired
with the 128-channel HCGSN Net station. I am using the below code which is functioning OK.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">%%%%%%%%%%%%%%%%%%%<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">% for your epoched data, channel 2<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">[spectra,freqs] = spectopo(EEG.data(2,:,:), 0, EEG.srate);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">% delta=1-4, theta=4-8, alpha=8-13, beta=13-30, gamma=30-80<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">deltaIdx = find(freqs>1 & freqs<4);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">thetaIdx = find(freqs>4 & freqs<8);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">alphaIdx = find(freqs>8 & freqs<13);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">betaIdx = find(freqs>13 & freqs<30);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">gammaIdx = find(freqs>30 & freqs<80);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">% compute absolute power<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">deltaPower = 10^(mean(spectra(deltaIdx))/10);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">thetaPower = 10^(mean(spectra(thetaIdx))/10);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">alphaPower = 10^(mean(spectra(alphaIdx))/10);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">betaPower = 10^(mean(spectra(betaIdx))/10);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">gammaPower = 10^(mean(spectra(gammaIdx))/10);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">%%%%%%%%%%%%%%%%%<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">But when I try to save the data I get the below error even though the file is accurately loaded in the EEGlab gui:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">%%%%%%%%%%%%%%%%%<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Error using finfo (line 27)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">File 'G:\eeglab\eyesclosed48' not found.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Error in uiimport>useAlternateImportTool (line 927)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""> type = finfo(fn);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Error in uiimport (line 150)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""> if useAlternateImportTool(isSynchronous,fileAbsolutePath,useLegacyModeForCSV)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Error in filemenufcn (line 61)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""> uiimport('-file')<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Error while evaluating uimenu Callback<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">%%%%%%%%%%%%%%%%%<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">My questions are:
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">How can solve the above error? How can I save each frequency data separately (Delta, Gamma, so on) for each participant for all channels? Furthermore, if I want to analyse the
data from specific 18 channels only shall I write the code as follows:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">[spectra,freqs] = spectopo(EEG.data(1, 18,:), 0, EEG.srate)?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">I need the raw data so that I can analyse the data off-line so any help will be appreciated.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Thanks and best wishes,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif"">Ahmedje<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Cambria","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">-------------------------------------------------------
<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">Dr. Ahmed Dahir Mohamed, PhD (Cantab) CPsychol<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">Post-Doctoral Fellow in Psychology
<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">Cognitive and Affective Neuroscience<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">School of Psychology, Faculty of Science,<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">The University of Nottingham Malaysia Campus<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">Jalan Broga, 43500 Semenyih<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">Selangor Darul Ehsan<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">Malaysia<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black">Email:
<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black"><a href="http://www.nottingham.edu.my/Psychology/People/ahmed.mohamed" target="_blank"><span style="color:black">http://www.nottingham.edu.my/Psychology/People/ahmed.</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-MY" style="font-family:"Trebuchet MS","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS","sans-serif";color:black">Current research</span><span style="font-family:"Trebuchet MS","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-family:"Trebuchet MS","sans-serif";color:black">http://preview.tinyurl.com/mjyamv5</span></b><span style="font-family:"Trebuchet MS","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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