[FieldTrip] ft_definetrial with .nex files

Robert Oostenveld r.oostenveld at donders.ru.nl
Fri Jan 20 10:43:36 CET 2012


Dear Tara,

To add to Jorns suggestion

On 19 Jan 2012, at 22:12, Tara Jacobson wrote:

> ...
> 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

The line "found 0 events" suggests that ft_read_event (which is called in ft_definetrial) did not find any events in your nex file. I suggest you look into the ft_read_event MATLAB code (and the underlying nex functions) to figure out why it does not detect the triggers in the nex file. 

best
Robert






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