Connectometry output

[Alberto Benelli]

Hi,

I performed a connectometry study with both healthy subjects and patients, using the presence of disease as demographic variable (1= presence and = absence).

There are 2 different output: 

1. Tracks with QA positively correlated with disease presence 
2. Tracks with QA negatively correlated with disease presence

I don’t know how to interpret these outputs.

Point 1 says that track integrity is correlated to disease presence?

Point 2 says that track integrity is correlated to disease absence?

Thank you for your support

Alberto Benelli
Psychologist | Ph.D. Student
Siena Brain Investigation and Neuromodulation Lab
University of Florence
Phone n°: +3349483135

[Fang-Cheng Yeh]

On Mon, Sep 12, 2022 at 6:50 AM Alberto Benelli
<albertob...@gmail.com> wrote:
>
> Hi,
>
> I performed a connectometry study with both healthy subjects and patients, using the presence of disease as demographic variable (1= presence and = absence).
> There are 2 different output:
>
> Tracks with QA positively correlated with disease presence
> Tracks with QA negatively correlated with disease presence
>
>
> I don’t know how to interpret these outputs.
>
> Point 1 says that track integrity is correlated to disease presence?

disease presence -> higher QA

> Point 2 says that track integrity is correlated to disease absence?

disease presence -> lower QA

> Thank you for your support
>
>
>
>
>
> Alberto Benelli
> Psychologist | Ph.D. Student
> Siena Brain Investigation and Neuromodulation Lab
> University of Florence
> Phone n°: +3349483135
>
>
>
>

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[Alberto Benelli]

I don’t understand.

If QA is positively correlated to Disease, what does it mean?

If QA is negatively correlated to Disease, what does it mean?

Alberto Benelli
Psychologist | Ph.D. Student
Siena Brain Investigation and Neuromodulation Lab
University of Florence
Phone n°: +3349483135

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[Fang-Cheng Yeh]

You may find some answers here:
https://dsi-studio.labsolver.org/doc/how_to_interpret_dmri.html
Frank

On Mon, Sep 12, 2022 at 10:19 AM Alberto Benelli

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[Alberto Benelli]

Hi Frank,

is it possibile perform a group connectometry analysis visualizing FA instead of QA?

Thanks again 

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[Fang-Cheng Yeh]

Yes, https://dsi-studio.labsolver.org/doc/gui_cx.html

On Tue, Sep 13, 2022 at 3:42 AM Alberto Benelli

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