Healthy Volunteer Protocol

Healthy Volunteer Protocol - MEG component

This large scale study is being conducted to collect MEG on a large number of healthy controls with matched MRI/fMRI data

Datasets

• Somatosensory
• Sternberg working memory
• Hariri hammer
• Movie - (Groei) https://www.imdb.com/title/tt6386160/
• Resting State - Eyes closed
• Auditory Oddball

BIDS format / OpenNeuro

All data is be converted to BIDS format and uploaded to OpenNeuro as an open access dataset. Data triggers are cleaned using several routines listed below. These have been used to realign stimulus triggers to optical onset of the projector. Datasets that have logfiles have been merged with the trigger data to label triggers and responses.

Hariri Hammer

Emotional processing task contrasting happy and sad faces. Shapes are used as neutral baselines. An initial "top stim" will be shown followed by a fixation crosshair. The subject is supposed to respond during the "choice stim" by pressing the left or right response button that corresponds to the face matching the "top stim" presentation.

 UADC006 - Left response
 UADC007 - Right response
 UADC016 - Projector onset
 UPPT001 - Parallel port stimuli

Temporal Coding (UPPT001)

 Top Stim
 Choice Stim
 Response Value

Stimulus Trigger codes (UPPT001)

 diamond,0x1
 moon,0x2
 oval,0x3
 plus,0x4
 rectangle,0x5
 trapezoid,0x6
 triangle,0x7
 hapmale,0xB
 hapfem,0xC
 sadmale,0x15
 sadfem,0x16

Processing Scripts:

 Files have been compiled into a folder hv_proc
 This contains script interfaces into the megblocks package