[FieldTrip] ft_definetrial with .nex files
Tara Jacobson
tara_jacobson at brown.edu
Thu Jan 19 22:12:55 CET 2012
Hello,
Does anyone have experience with .nex files? It seems straight forward to
be able to define trials using events in the .nex, but ft_definetrial is
not recognizing them as events.
filename =('11-087_12292011.nex')
stim30Hz=[27.25275 159.26715 258.277925 357.2887 489.303075 522.306625
621.317425 786.335425 885.3462 984.356975 1083.36775 1149.3749 1281.3893
1347.396425 1446.40725 1578.4216 1644.4288 1776.443175 1875.45395
1974.464725];
cfg = [];
cfg.dataset = filename;
cfg.trialdef.triallength=3;
cfg.trialdef.eventtype=('Event007');
cfg.trialdef.eventvalue=stim30Hz;
cfg=ft_definetrial(cfg);
filename =
11-087_12292011.nex
Warning: no trialfun was specified, using trialfun_general
> In ft_definetrial at 95
evaluating trialfunction 'trialfun_general'
reading the events from '11-087_12292011.nex'
found 0 events
created 676 trials
My question is what are the 676 trials if it found no events?
Can anyone give me some advice?
Thanks very much.
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