FIGURE 1.

Ridgeline plot (overlaid density plots) of distribution of neuropsychological test scores, by cognitive status category, among American Indian participants of the Strong Heart Study (2017–2019). Categories include cognitive intact (yellow), mild cognitive impairment (MCI, green), dementia (blue), and intact not MCI (purple). Cognitive tests include Modified Mini Mental Status Examination (3MSE), Wechsler Adult Intelligence Scale 4th edition digit symbol substitution coding test (WAIS DSST), Controlled Oral Word Association F,A,S Test (COWA), California Verbal Learning Test 2nd edition short form long delay free recall (CVLT), Montreal Cognitive Assessment (MoCA), Multilingual Naming Test (MINT), Number Span forward and backward tasks, Benson complex figure copy and recall, animal and vegetable naming tests, Craft Story delayed recall, and Trail Making Test (TMT) A and B