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Dan
February 27, 2019 08:43AM
Hi,

Is there anyone here who does continuous natural stimulation(auditory)? I am deeply troubled by the results of my experiment.

I have a problem that has been bothering me for a long time, we have been trying to find out why, but nothing.
In our experiment, the subjects are instructed to listen to two four-minute stories(one story, one run), and we want to make the correlation of two runs. But we found the ventricles lit up after correlation(a screenshot in attach file), does anyone have the same problem as me?

1) First, I'm not sure this is normal...

2) If it's not normal, is there anything other than head motion that could be causing this.(Because the subject had smaller head motion,<3mm).

I also used the same script to analyze my colleague's experimental data. His experiment was watching movies and then doing correlation. The ventricles don't light up unless the threshold is very low. It looks normal.

This is my script.
afni_proc.py -subj_id sub6.120 \
-dsets 6.120.1+orig.HEAD 6.120.4+orig.HEAD \
-blocks despike tshift align tlrc volreg blur mask scale regress \
-copy_anat anat6+orig \
-align_opts_aea -cost lpc+ZZ -gaint_move \
-tlrc_base TT_N27+tlrc \
-tlrc_NL_warp \
-volreg_align_to MIN_OUTLIER \
-volreg_align_e2a \
-volreg_tlrc_warp \
-blur_size 6.0 \
-regress_apply_mot_types demean deriv \
-regress_est_blur_epits \
-regress_est_blur_errts \
-execute
3dTcat -prefix s6.120.1 errts.sub6.120.tproject+tlrc'[0..119]'
3dTcat -prefix s6.120.4 errts.sub6.120.tproject+tlrc'[120..239]'
3dTcorrelate -prefix 6.120.1_4 s6.120.1+tlrc s6.120.4+tlrc

Thanks a lot,

Dan


Subject Author Posted

HELP! problem with bright ventricle after 3dTcorrelate Attachments

Dan February 27, 2019 08:43AM

Re: HELP! problem with bright ventricle after 3dTcorrelate

ptaylor February 27, 2019 09:00AM

Re: HELP! problem with bright ventricle after 3dTcorrelate

rick reynolds February 27, 2019 09:41AM

Re: HELP! problem with bright ventricle after 3dTcorrelate

ptaylor February 27, 2019 10:16AM

Re: HELP! problem with bright ventricle after 3dTcorrelate

Daniel Glen February 27, 2019 10:56AM

problem with bright ventricle after 3dTcorrelate Attachments

Dan February 26, 2019 08:24AM

Re: problem with bright ventricle after 3dTcorrelate

Peter Molfese February 26, 2019 09:57AM

Re: problem with bright ventricle after 3dTcorrelate Attachments

Dan February 27, 2019 03:22AM

Re: problem with bright ventricle after 3dTcorrelate

Peter Molfese February 27, 2019 09:39AM

Re: problem with bright ventricle after 3dTcorrelate Attachments

Dan March 04, 2019 08:57AM

Re: problem with bright ventricle after 3dTcorrelate

ptaylor March 04, 2019 09:57AM

Re: problem with bright ventricle after 3dTcorrelate Attachments

Dan March 05, 2019 03:08AM

Re: problem with bright ventricle after 3dTcorrelate

ptaylor March 05, 2019 08:01AM



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