1.5T MRI Scan Information
A data frame with 12308 rows and 44 variables
A dataset with variables as follows:
FLDSTRNGTH N Field Strength
EYEASK N Was the participant instructed to open their eyes?
EYEKEEP N Did the participant keep their eyes open (MRI Tech: ask the subject right after the scan)
SEDATIVE N Was sedation medication consumed for use during MRI scan?
MOTION N Patient Motion Problems:
MOTIONDET T If yes, describe:
MALFUNC N Scanner Malfunction:
MALFUNCDET T If yes, describe:
OTRDEV N Other Protocol Variations
OTRDEVDET T If yes, describe:
RID N Participant roster ID
SITEID N Site ID
VISCODE T Visit code
USERDATE S Date record created
MMCONDCT N Was the scan conducted?
MMREASON N Reason why the scan was not conducted:
MMOTHSPE T If Other, specify:
EXAMDATE D Examination Date
MMSCOUT N 1. Tri-Planar Scout (if available, otherwise use an axial scout)
MMSCTCOM T Comments <!--Tri-Planar Scout-->
MMSMPRAGE N 2. Straight Sagittal MPRAGE Sequence
MMSMPCOM T Comments <!--Straight Sagittal MPRAGE-->
MMRMPRAGE N 3. Repeat Straight Sagittal MPRAGE Sequence
MMRMPCOM T Comments <!--Repeat Straight Sagittal MPRAGE-->
MMB1HEAD N 4. B1 Calibration Head Coil Scan (Only applicable for phased array head coil on GE and Siemens systems)
MMB1HDCOM T Comments <!--B1 Calibration Head Coil Scan-->
MMB1BODY N 5. B1 Calibration Body Coil Scan (Only applicable for phased array head coil on GE and Siemens systems)
MMB1BDCOM T Comments <!--B1 Calibration Body Coil Scan-->
MMECHO N 6. Straight Axial Fast or Turbo Spin Echo
MMECCOM T Comments <!--6. Straight axial or spin echo-->
MMPHAN N 7. In new exam; Perform ADNI QC Scan. Localizer and Straight Sagittal MPRAGE (with increased slice thickness to ensure phantom coverage)
MMPHCOM T Comments: <!--ADNI QC Scan-->
MMTRNSFR N Was data transferred to LONI within 24 hours of scan?
MMTRNDATE D Transfer Date
MMTRNCOM T Comments
MMARCHIVE N Data Archived Locally
MMARCMED T Archive Medium
MMARCCOM T Comments
MMLPDONE N 9. Was a Lumbar Puncture completed prior to the MRI scan?
MMLPINTER N If Yes, What was the interval between LP and MRI?
USERDATE2 S Date record last updated