[Homer-users] Problem using Block Avg trange

[Renee Lajiness-O'Neill]

Thank you Meryem!! Understood.  I truly appreciate your help.

So glad you were available to respond.

Best,
Renee

On Thu, Mar 9, 2017 at 10:07 AM, Yucel, Meryem A. <MYUCEL at mgh.harvard.edu>
wrote:

> Hi Renee,
>
>
>
> You need to provide homer a period before the stimulus (designated by
> minus sign) which is to be considered as baseline and a period after the
> stimulus which should cover the whole time course for the HRF ie including
> the increasing, decreasing phases of HRF.  Once you run it for these
> values, you can extract the HRF for each channel and subject from
> groupResults.mat file and average which ever time range you want (eg 4-8)
> for further analysis.
>
>
>
> Hope this helps.
>
>
>
> Meryem
>
>
>
>
>
>
>
> *From:* homer-users-bounces at nmr.mgh.harvard.edu [mailto:
> homer-users-bounces at nmr.mgh.harvard.edu] *On Behalf Of *Renee
> Lajiness-O'Neill
> *Sent:* Wednesday, March 08, 2017 5:20 PM
> *To:* homer-users at nmr.mgh.harvard.edu
> *Subject:* [Homer-users] Problem using Block Avg trange
>
>
>
> Hi,
>
>
>
> We are trying use a Block Avg trange of 4 8 and we are able to see the raw
> data and OD for this range. However, when we attempt to visualize the
> Concentration with the HRF selected, we are unable to see anything in the
> Data Window.  However, if we set our range to include a negative value
> (e.g. -2 8), we are able to visualize the concentration/HRF. Given that our
> goal is to use tranges of 4 8 and 11 14, any help is appreciated to clarify
> why we are unable to visualize our HRF data in the Data Window if we are
> not using a negative value OR how to remedy this issue.
>
>
>
> Thanks in advance for your help!
>
> Renee
>
>
>
> --
>
> Renee Lajiness-O'Neill, Ph.D.
>
> Professor of Psychology
>
> Co-Director Neuroscience Program
>
> Licensed Clinical Psychologist/Neuropsychologist
>
> Eastern Michigan University
>
> Department of Psychology
>
> 301C Science Complex
> Ypsilanti, MI 48197
>
>
>
> Research Faculty Affiliate
>
> University of Michigan
>
> Center for Human Growth and Development
>
> 300 North Ingalls
>
> Ann Arbor, MI 48109
>
>
>
> Dept. Phone: 734-487-1155 <(734)%20487-1155>
>
> E-Mail: rlajines at gmail.com
>
>             rlajines at emich.edu
>
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-- 
Renee Lajiness-O'Neill, Ph.D.
Professor of Psychology
Co-Director Neuroscience Program
Licensed Clinical Psychologist/Neuropsychologist
Eastern Michigan University
Department of Psychology
301C Science Complex
Ypsilanti, MI 48197

Research Faculty Affiliate
University of Michigan
Center for Human Growth and Development
300 North Ingalls
Ann Arbor, MI 48109

Dept. Phone: 734-487-1155
E-Mail: rlajines at gmail.com
            rlajines at emich.edu
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