Re: [Freesurfer] optseq2 help: DPSD and jitter

2009-10-06 Thread Douglas N Greve
4). Did i understand it right? > > > > Doug: Yes. > Asaf: thanks. > > hope all is clearer now, > Asaf. > > > *From:* Douglas N Greve > *To:* Asaf Kaftory > *Cc:* freesurfer@nmr.mgh.ha

Re: [Freesurfer] optseq2 help: DPSD and jitter

2009-10-06 Thread Asaf Kaftory
equals 1, Nullmin equals 2 and Nullmax equals 4, the NULL events > > will be 2 3 or 4). Did i understand it right? > > Doug: Yes. Asaf: thanks. hope all is clearer now, Asaf. ________________ From: Douglas N Greve To: Asaf Kaftory Cc: freesurfer@nmr.mgh.har

Re: [Freesurfer] optseq2 help: DPSD and jitter

2009-10-06 Thread Douglas N Greve
; > 2. ok, thanks. isn't it strange though? how do researches jitter the > ISI than? manually? > > 3. thanks. > *From:* Doug Greve > *To:* Asaf Kaftory > *Cc:* freesurfer@nmr.mgh.harvard.edu > *Sent:* Saturday, September 26, 2009 7:42:43 PM > *Subject:* Re: [Frees

Re: [Freesurfer] optseq2 help: DPSD and jitter

2009-10-05 Thread Asaf Kaftory
an? manually? 3. thanks. From: Doug Greve To: Asaf Kaftory Cc: freesurfer@nmr.mgh.harvard.edu Sent: Saturday, September 26, 2009 7:42:43 PM Subject: Re: [Freesurfer] optseq2 help: DPSD and jitter On Sat, 26 Sep 2009, Asaf Kaftory wrote: > Hello list, > > I'm new to op

Re: [Freesurfer] optseq2 help: DPSD and jitter

2009-09-30 Thread Asaf Kaftory
an? manually? 3. thanks. From: Doug Greve To: Asaf Kaftory Cc: freesurfer@nmr.mgh.harvard.edu Sent: Saturday, September 26, 2009 7:42:43 PM Subject: Re: [Freesurfer] optseq2 help: DPSD and jitter On Sat, 26 Sep 2009, Asaf Kaftory wrote: > Hello list, > > I'm new to op

Re: [Freesurfer] optseq2 help: DPSD and jitter

2009-09-26 Thread Doug Greve
On Sat, 26 Sep 2009, Asaf Kaftory wrote: > Hello list, > > I'm new to optseq, and would like your help with the following issues: > 1. What exactly does DPSD mean? and why does the TR has to be an integer of > it? Delta Post-Stimulus Delay. The time between samples in the FIR. Usually, it is ju

[Freesurfer] optseq2 help: DPSD and jitter

2009-09-26 Thread Asaf Kaftory
Hello list, I'm new to optseq, and would like your help with the following issues: 1. What exactly does DPSD mean? and why does the TR has to be an integer of it? 2. My experiment design uses jitter - both ITI (i.e., between trials) and ISI (i.e., between stimulus within a compound event). As i un