[pymvpa] classification project

[Abduljalil Sireis]

Thank you Mr.Klein. Based on what i stated so far, are there any
suggestions?


On Wed, Sep 19, 2012 at 5:52 PM, Mike E. Klein <michaeleklein at gmail.com>wrote:

> www.princeton.edu/~matthewb/Publications/*tutorial*.pdf
>
> http://scan.oxfordjournals.org/content/4/1/101.full
>
> www.bcn-nic.nl/txt/people/publications/*Etzel*2009.pdf
>
> On Wed, Sep 19, 2012 at 11:22 AM, Abduljalil Sireis <kentman234 at gmail.com>wrote:
>
>>
>>
>> On Wed, Sep 19, 2012 at 4:56 PM, J.A. Etzel <jetzel at artsci.wustl.edu>wrote:
>>
>>> This is far too general of a question: which steps are necessary depends
>>> upon the precise hypothesis you're testing with the analysis. I can easily
>>> think of a half dozen analysis schemes appropriate in various situations.
>>>
>>> You should start by making your hypothesis as concrete as possible. For
>>> example, are you interested in widespread activity, or activity in
>>> particular brain areas only? Are you interested in activity during
>>> particular times during the clips, or some sort of temporally averaged
>>> activity?
>>>
>>
>> - I'm interested in particular brain areas or regions of interest which
>> should be activated during the experiment. Also, a temporally averaged
>> activity would be fine.
>>
>>
>>>
>>> There are many useful tutorials; the ones by Pereira, Mur, and (if I say
>>> so myself) Etzel are good starting points.
>>>
>>
>> - Which tutorial do you mean? Could you please write me its name or the
>> link or it?  Thank you!
>>
>>>
>>> good luck,
>>> Jo
>>>
>>>
>>>
>>> On 9/19/2012 7:19 AM, Abduljalil Sireis wrote:
>>>
>>>> Hi,
>>>>
>>>> I need help  in classification project of subjects see two types of
>>>> video clips. One kind is dangerous car accidents and the other is normal
>>>> car advertisements. We have number of subjects perform this task with
>>>> one session per subject. Each run consists of 6 clips from each type,the
>>>> two successive spots are separated by black screen and a yellow cross to
>>>> fix the subjects eyes. There was not a specific order of the spots but
>>>> more than two successive ones of the same type were not allowed. All
>>>> videos were accompanied with voice, so we have visual and audio
>>>> stimulation.
>>>>
>>>> I think that i need to do features selection with respect to the active
>>>> regions corresponding to the stimulations, then a cross-validation leave
>>>> one-run-out can be applied. Could you please guide me through this
>>>> project? Which concrete steps should i need to do?
>>>>
>>>> Thank you,
>>>> Abdul
>>>>
>>>>
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>>>>
>>>>
>>> --
>>> Joset A. Etzel, Ph.D.
>>> Research Analyst
>>> Cognitive Control & Psychopathology Lab
>>> Washington University in St. Louis
>>> http://mvpa.blogspot.com/
>>>
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>>
>>
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