MRI selection preview system

With NACC's MRI selection preview system, you can get an estimate of the number of UDS participants with MRIs that meet the criteria you define — criteria based on MRI image type, or UDS clinical characteristics of the participants, or both.

Please note that the estimated totals supplied by the MRI selection preview system are not suitable for data analysis or publication. When you are ready to download images for analysis and publication purposes — or if your inquiry requires more detailed information — please submit a custom data request.

PLEASE MAKE YOUR SELECTIONS from the table below. You may specify any of the eight criteria. If no selection is made for a given criterion, the system defaults to include ANY of the options listed for it.

SCAN TYPE

 Any

 T1

 T2

 DTI

 Flair

 DWI

MAGNETIC FIELD
STRENGTH

 Any

 1.5

 3

SEX

 Any

 Male

 Female

AGE AT MRI SCAN

 Any

 <65

 65 – 89

 ≥90

RACE

 Any

 White

 Black or African American

 American Indian or Alaska Native

 Native Hawaiian or Pacific Islander

 Asian

 Multiracial

NUMBER OF
APOE e4 ALLELES

 Any

 0

 1

 2

COGNITIVE STATUS*

 Any

 Normal

 Impaired, not MCI

 MCI

 Dementia

PRIMARY ETIOLOGIC
DIAGNOSIS*

 Any

 Alzheimer's disease

 Lewy body disease

 FTLD

 Vascular brain injury or vascular dementia, including stroke

*At closest visit within ± two years of MRI scan date



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