<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">Dear FT community,</font><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class=""><br class=""></div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class="">I'm currently analyzing sleep EEG data and therefore I'm also interested in frequency ranges around 0.5/1 Hz. However, when I plot the data, it starts only from 1.25Hz and the cluster-based permutation can't be conducted when I include frequency ranges below 1.5 Hz. </div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class=""><br class=""></div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class="">Any ideas on this issue based on the information provided blow? </div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class=""><br class=""></div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class="">Best regards,</div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class="">Mick</div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class=""><br class=""></div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class="">The raw data was read using the following script:</div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class=""><br class=""></div><div style="font-family: 'Sans Serif', Verdana, Arial, Helvetica, sans-serif;" class=""><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">VP = dir('*.dat'); </font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg = [];</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg.dataset = (VP.name); % dataset </font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""><br class=""></font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg.trialdef.eventtype = 'Comment';</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg.trialdef.prestim = 3;</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg.trialdef.poststim = 5;</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> </font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg.trialdef.eventvalue = {'HitHitReakt_LL' 'GainReakt_LL'}; </font></div><div class=""><br class=""></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg = ft_definetrial(cfg);</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""><br class=""></font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg.demean = 'yes';</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">cfg.baselinewindow = [-1 -.1];</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">HH_SlowOsc = ft_preprocessing(cfg);</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""><br class=""></font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">HH_SlowOsc = renamechannels(HH_SlowOsc);</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""><br class=""></font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">save HH_SlowOsc HH_SlowOsc</font></div><div class=""><br class=""></div></div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class=""><br class=""></div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class=""><br class=""></div><div style="font-family: Verdana, Arial, Helvetica, sans-serif;" class="">Afterwards, TF analysis was conducted using this script:</div><div style="font-family: 'Sans Serif', Verdana, Arial, Helvetica, sans-serif;" class=""><div class=""><br class=""></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> load HH_SlowOsc</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> </font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""><br class=""></font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> cfg = [];</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> cfg.channel = 'all';</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> cfg.method = 'wavelet';</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> cfg.with = 2; HERE, I'VE TRIED 2 AND 7 CYCLES. BOTH DIDN'T WORK</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> cfg.output = 'pow';</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> cfg.foi = 0.5:0.5:25; % Analysis from 2 to 30 Hz in 0.5 Hz steps</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> cfg.toi = -3:0.05:5; % time window "slides" from -1 to 2 sec in steps of 0.05 sec (50 ms)</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class="">% cfg.keeptrials = 'yes'; % für Single Trial Analysen</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""><br class=""></font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> TF_HH_SlowOsc = ft_freqanalysis(cfg, HH_SlowOsc);</font></div><div class=""><font face="Verdana, Arial, Helvetica, sans-serif" class=""> save TF_HH_SlowOsc TF_HH_SlowOsc; </font></div></div></body></html>