Pre-Scan Questionnaire & MRI Summary Forms🔗

MRI Scan Session & Data Summary Forms🔗

Name	MRI Scan Session Summary Form (Pre-Scan Checklist 1) MRI Data Summary Form (Post-Scan Checklist 2)
Table Name	mri_ra_chkl_scan mri_ra_chkl_data
Construct	MRI summary forms completed by MRI technicians pre/post each scan session
Study Visits	V02 - V06
Type	In-person Checklist (RA Form)
Quality Control	Brief visual review of data prior to release to check for errors and missingness.

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MRI Scan Session Summary Form🔗

• Session Summary: Date of acquisition, candidate age, window difference (± days), adjusted chronological age
• Participant Information: Scheduled scan time, repeated visit, family arrival time
• Family Preparation (Pre-Visit): MRI sound exposure, sleep practice, medications in the past 24 hours
• Travel to Visit: Transportation method, whether the baby fell asleep in the car
• Preparation at Scan Site: Sleep location, lighting and sounds, feeding before the scan, caregiver soothing methods, scan materials
• Sleep Information: Time to fall asleep, time first asleep, initial sleep position
• Transfer to Scanner: Transfer method, whether the child woke during transfer

MRI Data Summary Form🔗

• Scan Log: Scan start and interruption times, scan quality grade, FIRMM quality metrics, images acquired
• Summary: Reasons for incomplete scan, modalities acquired, whether at least 7.5 minutes of low-motion fMRI data were acquired
• Post-Scan: Family departure time

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Pre-Scan Questionnaire🔗

Name	Pre-Scan Questionnaire
Table Name	mri_ra_prep
Construct	Infant Sleep Environment
Study Visits	V02 - V06
Type	In-person Questionnaire (Parent on Child)
Quality Control	Data dashboard monitored for variable missingness, coding errors, and data consistency

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The Pre-Scan Questionnaire is completed by HBCD Study staff when planning MRI procedures. It captures caregiver-reported sleep routines, habits, and environment, as summarized in the table below (see data dictionary for full details). Note that missingness may vary across sites.

Item	Description	Response Options ( = Select all that apply )
s1_bsi_002*	Typical sleep routine	Bottle feeding; Breast feeding; Bath; Reading; Other
s1_bsi_003*	Time to fall asleep at bedtime	(Free text)
s1_bsi_004*	Usual start time of longest naps	(Free text)
s1_slp_001	If skipping nap before visit helps	Yes / No
s1_slp_002	Length of bedtime routine	0–5, 5–10, ... 45–60 min; 1+ hr; No routine
s1_slp_003	Length of nap routine	0–5, 5–10, ... 45–60 min; 1+ hr; No routine
s1_slp_004	Time to sleep after bedtime routine	0–5, 5–10, ... 45–60 min; 1+ hr; No routine
s1_slp_005	Typical sleep duration	0-30, 30-60 min; 1-2 hr; 2+ hrs
s1_slp_006	Consistency of nap/sleep schedule	Very; Somewhat; Not consistent; No sleep schedule
s1_slp_007*	What helps child sleep	Playtime; Breast and/or bottle feeding; Eating/drinking; Other
s1_sls_001*	Social	Alone; With mother; With sibling; Other
s1_sls_002*	Bed	Crib; Bassinet; Dock-a-tot; In bed; Other
s1_sls_003*	Lighting	Dimmed lights; Night light; Dark
s1_sls_004*	Noise level	Noisy; Moderate; Quiet
s1_sls_005*	Soothing sounds	White noise; Sing lullabies; Listen to music
s1_sls_006*	Sleep aids	Stuffed toy; Pacifier; Weighted blanket; Other
s1_sls_007	Comfort preference	Wrapped or free arms/legs
s1_sls_008*	Sleep position	Supine; Prone; Side
s1_soa_001	Curious in new settings	Always; Sometimes; Never
s1_soa_002	Comfortable sleeping in new settings	Always; Sometimes; Never
s1_soa_003	Comfortable sleeping alone	Always; Sometimes; Never
s1_soa_004	Wakes easily to light or sound	Always; Sometimes; Never
s1_soa_005	Fusses during sleep	Always; Sometimes; Never
s1_soa_006	Easily opens up to new people	Always; Sometimes; Never