MRI
Examining effects of arousal on responses to salient and non-salient stimuli in younger and older adults

OpenNeuro Accession Number: ds001242Files: 2577Size: 16.37GB

BIDS Validation

4 Warnings Valid
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Examining effects of arousal on responses to salient and non-salient stimuli in younger and older adults
Examining effects of arousal on responses to salient and non-salient stimuli in younger and older adults
  •   CHANGES
  •   dataset_description.json
  •   participants.tsv
  •   README
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README

These functional, ECG, pupil, locus coeruleus, and structural MRI data have been published in:

Lee, Greening, Ueno, Clewett, Ponzio, Sakaki, & Mather (2018). Arousal increases neural gain via the locus coeruleus-norepinephrine system in younger adults but not in older adults. Nature Human Behavior

Mather, M., Yoo, H. J., Clewett, D. V., Lee, T. H., Greening, S. G., Ponzio, A., Min, J., & Thayer, J. F. (2017). Higher locus coeruleus MRI contrast is associated with lower parasympathetic influence over heart rate variability. NeuroImage, 150, 329-335.

Yoo, H. J., Thayer, J. F., Greening, S., Lee, T. H., Ponzio, A., Min, J., Sakaki, M., Nga, L., Mather, M., & Koenig, J. (2017). Brain structural concomitants of resting state heart rate variability in the young and old—Evidence from two independent samples. Brain Structure and Function.

Clewett, D., Lee, T.H., Greening, S., Ponzio, A., Margalit, E., & Mather, M. (2016). Neuromelanin marks the spot: Identifying a locus coeruleus biomarker of cognitive reserve in healthy aging. Neurobiology of Aging, 37, 117-126.

A ‘participants’ text file indicates each participant’s age group and sex.

There are folders for each participant with their subject number (e.g., “sub-22”). Within each folder are three folders:

1) anat - includes a T1 structural scan. Two participants (01 and 44) took a break in between scans and so we needed to get two T1 images for these participants. Their .json files indicate which T1s should be used for which EPI registrations.

The ‘anat’ folder also includes hidden files. T1 neuromelanin contrast imaging files are not one of the basic image types supported by openfMRI. They suggested we include these as hidden files by adding ‘.’ at the beginning of the file names, in order to pass the validity test (e.g., ‘.bidsignore_sub-17_melanin_T1w.nii.gz’). Thus, to see these files, you will need to type ls -a in the terminal or change the finder option to allow viewing of hidden files.

2) dwi - diffusion imaging data

3) func - all functional scans included in this folder with event timings indicated in .tsv files. Please see paper for more details. In addition, files included for associated ECG and pupil data.

Behavioral data and stimulation code associated with the project can be found at the projects OSF page osf.io/zw8aj and https://osf.io/v2q4y/.

Comments

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By bababen@gmail.com - about 4 years ago
The SliceTiming fields in the json files are blank. Could someone extract the SliceTimings from the dicom files?
By arnaud.bore@gmail.com - 9 months ago
How is this possible that this dataset is BIDS valid without having no json files for dwi images ?