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<p class="MsoNormal"><span style="font-size:12.0pt">Dear Community, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">I am Sofia and I work at the Brain Paris institute. I am currently looking at rodent’s brain activity within different brain’s region simultaneously by using deep multi-electrodes.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">I am trying to use ft_correlationanalysis function in order to compare the power correlation of different channel through the time.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">I was expecting to observe some fluctuation in the correlation but I obtained a matrix of 1…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Can someone help me in order to get the correct correlation between 2 channels ?
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">stat = ft_connectivityanalysis(cfgtemp, timefreq_alldata);
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">disp( stat);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">>> label: {2×1 cell}</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> dimord: 'chan_chan_freq_time'</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> powcorrspctrm: [2×2×50×801 double]</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> time: [1×801 double]</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> freq: [1×50 double]</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> dof: 1</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> cfg: [1×1 struct]</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">data_corr_temp = stat.powcorrspctrm(1,1,:,:);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">data_corr = permute(data_corr_temp ,[3 4 1 2 ]);
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">disp(data_corr);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">>> 1 1 1 1 1 1 1 1 1 1 . .
</span><span lang="EN-US" style="font-size:12.0pt;color:black">. => actually return a Matrix of 50x801 of 1</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:12.0pt;color:black">I thank you for your help !<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:12.0pt;color:black">Best Regards,
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:12.0pt;color:black">Sofia<o:p></o:p></span></p>
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