Hi Krish

I do not really understand this behaviour. It seems, at least for my data, that the UNION is always 78, irrespective of the number of subjects (single subject, 10 subjects, 50 subjects, 104 subjects) subjected to the aparcstats2table command. This is also the case for 48 additional subjects from another study. It seems that each single subject of the 104 has a maximum of 78 parcellations (of course, some of them have less than 78 as indicated by zeros).

Is this what you would expect when made a UNION across several subject numbers (different single subjects, 10, 50, 104)?

Thanks for clarification Regards Jürgen

On 7.2.2009 18:33 Uhr, "Krish Subramaniam" krish@nmr.mgh.harvard.edu wrote:

Hi Jürgen

The default behavior of the rewritten aparcstats2table is it takes the UNION of all the parcellations and writes them to a table. For instance Suppose subject sub1 has parcellations parc1 and parc2 and subject sub2 has parcellations parc2 and parc3

the union of parcellations is parc1, parc2, parc3. so the written table will be like

lh_aparc.a2005s_volume parc1 parc2 parc3 sub1 <some value> <some_value> 0.0 sub2 0.0 <some_value> <some_value>

As Bruce said, all parcellations may not occur in a given subject, so if you think the union of the all the parcs in all subjects exceeds 78 areas, let us know.

-Krish

On Feb 7, 2009, at 9:55 AM, Jürgen Hänggi wrote:

...

Dear FS experts

There are 94 surface labels listed in the surface_labels.txt file in the FS home directory. However, when using aparcstats2table with the --parc option aparc.a2005s there are only 78 parcellated areas per subject reported in the list.

Why?

Thanks Regards Jürgen

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---------------------------------------------------------------------------- Juergen Haenggi Ph.D. (Dr. des.) Division Neuropsychology Institute of Psychology University of Zurich Binzmuehlestrasse 14, PO Box 25 8050 Zurich, Switzerland 0041 44 635 73 97 (phone office) 0041 76 445 86 84 (phone mobile) 0041 44 635 74 09 (fax office) BIN 4.D.04 (office room number) j.haenggi[at]psychologie.uzh.ch (email) http://www.psychologie.uzh.ch/neuropsy/ (website) http://www.juergenhaenggi.ch (private website)

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Hi Jurgen,

there are more possible units than what we label. For example, Christiphe labeled crowns and fundi separately, so there can be more names in the color table than we atually use.

cheers Brue On Sat, 7 Feb 2009, Jürgen Hänggi wrote:

Hi Krish

I do not really understand this behaviour. It seems, at least for my data, that the UNION is always 78, irrespective of the number of subjects (single subject, 10 subjects, 50 subjects, 104 subjects) subjected to the aparcstats2table command. This is also the case for 48 additional subjects from another study. It seems that each single subject of the 104 has a maximum of 78 parcellations (of course, some of them have less than 78 as indicated by zeros).

Is this what you would expect when made a UNION across several subject numbers (different single subjects, 10, 50, 104)?

Thanks for clarification Regards Jürgen

On 7.2.2009 18:33 Uhr, "Krish Subramaniam" krish@nmr.mgh.harvard.edu wrote:

...

Hi Jürgen

The default behavior of the rewritten aparcstats2table is it takes the UNION of all the parcellations and writes them to a table. For instance Suppose subject sub1 has parcellations parc1 and parc2 and subject sub2 has parcellations parc2 and parc3

the union of parcellations is parc1, parc2, parc3. so the written table will be like

lh_aparc.a2005s_volume parc1 parc2 parc3 sub1 <some value> <some_value> 0.0 sub2 0.0 <some_value> <some_value>

As Bruce said, all parcellations may not occur in a given subject, so if you think the union of the all the parcs in all subjects exceeds 78 areas, let us know.

-Krish

On Feb 7, 2009, at 9:55 AM, Jürgen Hänggi wrote:

...

Dear FS experts

There are 94 surface labels listed in the surface_labels.txt file in the FS home directory. However, when using aparcstats2table with the --parc option aparc.a2005s there are only 78 parcellated areas per subject reported in the list.

Why?

Thanks Regards Jürgen

---

Juergen Haenggi Ph.D. (Dr. des.) Division Neuropsychology Institute of Psychology University of Zurich Binzmuehlestrasse 14, PO Box 25 8050 Zurich, Switzerland 0041 44 635 73 97 (phone office) 0041 76 445 86 84 (phone mobile) 0041 44 635 74 09 (fax office) BIN 4.D.04 (office room number) j.haenggi[at]psychologie.uzh.ch (email) http://www.psychologie.uzh.ch/neuropsy/ (website) http://www.juergenhaenggi.ch (private website)

This e-mail (and any attachment/s) contains confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden.

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Juergen Haenggi Ph.D. (Dr. des.) Division Neuropsychology Institute of Psychology University of Zurich Binzmuehlestrasse 14, PO Box 25 8050 Zurich, Switzerland 0041 44 635 73 97 (phone office) 0041 76 445 86 84 (phone mobile) 0041 44 635 74 09 (fax office) BIN 4.D.04 (office room number) j.haenggi[at]psychologie.uzh.ch (email) http://www.psychologie.uzh.ch/neuropsy/ (website) http://www.juergenhaenggi.ch (private website)

This e-mail (and any attachment/s) contains confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden.

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