A) Mean SS-OIT scores with standard error bars by diagnosis (HOA, healthy older adults; MCI, mild cognitive impairment; AD, Alzheimer’s disease; *p < 0.0001). B) Mean SS-OIT scores with standard error bars by diagnosis (naMCI, mild cognitive impairment non-amnestic; aMCIsd, mild cognitive impairment amnestic single domain, aMCImd, mild cognitive impairment multiple domain; *p < 0.023).