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Purpose:   To assess visual associative learning and famous face recognition ability among subjects with stable amnestic mild cognitive impairment (MCI) relative to early stage dementia due to Alzheimer’s disease (AD) and cognitively normal healthy controls (NC) and to correlate these differences with volumetric changes on MRI.   Methods:   A hospital-based cross-sectional observational study was conducted on 61 participants. The subjects underwent neuropsychological evaluation, including validated newly designed tests for novel face-name paired association learning recall and famous face recognition. MRI volumetry was done on a subset of patients to ascertain the topographical patterns of volume loss.   Results:   There were significant differences in performance on free recall for face-name paired associate learning in MCI ( n  = 22) compared to NC ( n  = 20) ( p  < 0.001) and MCI compared to AD ( n  = 19;  p  < 0.001). Significant differences were also noted in scores on the famous personalities test between MCI and NC ( p  = 0.007), and MCI and AD ( p  = 0.032). The free recall component of face-name pair associative learning significantly correlated with left cuneus ( p  = 0.005;  r  = 0.833) and right cuneus ( p  = 0.003;  r  = 0.861) volume in AD with no significant correlation among MCI and NC cohorts.   Conclusions:   Novel and semantically familiar face-name associative recalls are significantly impaired in MCI, and these potentially predate the MRI volumetric changes in MCI. Our findings expand the spectrum of recall deficits in MCI.

Novel Face-Name Paired Associate Learning and Famous Face Recognition in Mild Cognitive Impairment: A Neuropsychological and Brain Volumetric Study