small update to flexibly handle VEO/VEOG HEO/HEOG naming differences

example_scripts/alcstress/stdize_chanlocs_32scalp_03PNS.m

@@ -1,13 +1,26 @@
-elec_locations_file = 'curry_sphrad1_n35.ced';
+locations_file = 'curry_sphrad1_n35.ced';
 if exist(elec_locations_file, 'file'), %through this and pre-steps, we lose connection to "urchanlocs"
    chanlocs        = readlocs(elec_locations_file);
+   if ~isempty(strmatch('HEO',{EEG.chanlocs.labels},'exact')),
+       chanlocs(strmatch('HEOG',{chanlocs.labels},'exact')).labels = 'HEO';
+   end
+   if ~isempty(strmatch('VEO',{EEG.chanlocs.labels},'exact')),
+       chanlocs(strmatch('VEOG',{chanlocs.labels},'exact')).labels = 'VEO';
+   end
    [junk, oridx]   = ismember({EEG.chanlocs.labels}, {chanlocs.labels});
-   chanlocs        = chanlocs(oridx);
-   [junk, sorti]   = sort(oridx);
+   chanlocs        = chanlocs(oridx(oridx>0));
+   [junk, sorti]   = sort(oridx(oridx>0));
    EEG.chanlocs    = chanlocs(sorti);
    EEG.data        = EEG.data(sorti,:,:);
 end
 
+if ~isempty(strmatch('HEO',{EEG.chanlocs.labels},'exact')),
+    EEG.chanlocs(strmatch('HEO',{EEG.chanlocs.labels},'exact')).labels = 'HEOG';
+end
+if ~isempty(strmatch('VEO',{EEG.chanlocs.labels},'exact')),
+    EEG.chanlocs(strmatch('VEO',{EEG.chanlocs.labels},'exact')).labels = 'VEOG';
+end
 
+%% the HEO/VEO --> HEOG/VEOG code was added by SJB to account for instances where people define their ocular channels differently than in the curry_sphrad1_n35.ced file. 
 
-
+