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Type: Posts; User: mickeyi

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  1. Replies
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    6,155

    TTL locked to responses (case 6366)

    Hi--

    I'm an old user of DRT (v2006), but a new user of v2010. I run ERP studies and have used the TTLecho function to allow me to send a TTL code based on a subject's response. However, I cannot...
  2. Thread: V2010 error

    by mickeyi
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    2,543

    V2010 error

    I just upgraded to v2010 from v2006, but wonder if that was an error. I'm having quite a few problems, no doubt related to Windows 7. Here is one strange problem, an "invalid cast exception error."...
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    4,284

    Responses?

    Any responses to this thread? I too am getting the same trial range error--and I just bought v2010; never had such problems with v2006. Please help!
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    Iowa Gambling Task

    Hi Yeon, Melissa, & Bijoux--

    I hate to sound like a broken record, but have any of you programmed the IGT into DirectRT? If so, would you mind sharing?

    Thanks,

    Michael Inzlicht
  5. Thread: TTL insertaion

    by mickeyi
    Replies
    15
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    8,985

    Hi-- I think I have finally found a way to make...

    Hi-- I think I have finally found a way to make this work, but I need to verify that DRT can handle this accurately. The first step is to get the exact time I need the TTL to be inserted in the...
  6. Thread: TTL insertaion

    by mickeyi
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    15
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    8,985

    That's really too bad... Is there any way this...

    That's really too bad...

    Is there any way this option can be programmed in? I realize this is a difficult problem, so another option is that I can pay for Empirisoft's programming services to...
  7. Thread: TTL insertaion

    by mickeyi
    Replies
    15
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    8,985

    Not sure what happened there; I thought I...

    Not sure what happened there; I thought I attached everything. I've now attached the input file, a stim folder (with instructions and .avi file), and the style file.

    I'm using the latest V2006...
  8. Thread: TTL insertaion

    by mickeyi
    Replies
    15
    Views
    8,985

    Doesn't work for me either

    I have finally come around to trying this, and it didn't work for me either. It seems like the empty stim (~) is replacing the video so that the video only shows for a short period of time (a few...
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    4,282

    yes this is correct. either all of cong first or...

    yes this is correct. either all of cong first or all of incong first, as long as they stay together within.
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    randomization mistake

    Hi.

    I ran a study last Fall where I administered a Stroop. In this particular version I needed to randomize both within and between groups. That is, I had to randomize incongruent and congruent...
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    recording RT with delayed stim presentation

    Hi.

    I need to modify a go/nogo task (which I already have) and I am having some trouble. In the task, I will be presenting stimuli to which the participants respond (or not). This I can already...
  12. Thread: TTL insertaion

    by mickeyi
    Replies
    15
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    8,985

    OK. Let me see if I understand the logic. Let's...

    OK. Let me see if I understand the logic. Let's say I want to show a 15 second movie, and I want a TTL sent at 9.8 seconds. To do this I would show the movie with a time of 0, and then send an empty...
  13. Thread: TTL insertaion

    by mickeyi
    Replies
    15
    Views
    8,985

    Unfortunately that won't work. We use TTLs for an...

    Unfortunately that won't work. We use TTLs for an EEG system and my EEG hardware only recognizes the start of a TTL... Is there any way to "hardcode" a TTL into a movie? Any other way around this? I...
  14. Thread: TTL insertaion

    by mickeyi
    Replies
    15
    Views
    8,985

    TTL insertion

    I'm trying to create a movie and then have a TTL signal be sent at a specific moment during the movie (e.g. when the filmed person says "welcome"). Is there any way I can embed a TTL in a movie? If...
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    problem with button box

    Hi,

    I bought a button box from you guys a few years ago and have been very happy with it. I just moved labs, though, and now I can't get the button box to work on the same computer. Assuming that...
  16. Thread: GNAT, Go-Nogo

    by mickeyi
    Replies
    4
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    18,471

    no go ttl response

    I've created a go/no-go input file for use with an EEG, meaning that I'm sending TTLs to a second computer. I've just started collecting data and noticed that my no-go trials are often followed by...
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    Yes, you're right--it would be impossible to give...

    Yes, you're right--it would be impossible to give feedback to a "no-go" response. However, I would like to give speed feedback for the "go" responses. For example, I'd like to tell subjects to go...
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    10,621

    feedback with no response option

    I'm trying to create a go/no task and am having some problems. I know about the -1 parameter and have seen the GNAT support information. The problem I am running into is that I need my task to...
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