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- W2002065619 abstract "Ability to recognize facial emotions declines over the course of Alzheimer's disease (AD). The aim of our study was to determine: 1) how facial emotion recognition is impaired in relation to amygdalar atrophy in subjects with amnestic mild cognitive impairment (aMCI) and 2) whether capability of facial emotion identification test might be a profitable tool in early diagnosis of AD. We examined 23 aMCI subjects further subdivided into aMCI multiple domain- aMCImd (n-16), aMCI single domain MCI- aMCIsd (n-7) groups and 15 age-matched, normal controls (NC). All subjects underwent standard neuropsychological evaluation and facial emotion identification test. MRI scans were obtained and particular brain structure volumes were segmented and measured using fully automated segmentation software.Further,special attention was paid to amygdalae and hippocampi.Volumes were correlated with facial emotion identification test results and subgroups were compared mutually. Differences in hippocampal volumes (p < 0,05) between NC and aMCIsd subjects were observed. Further, differences were observed in both amygdalar (p < 0,05) and hippocampal volumes (p < 0,05) between NC and aMCmd .Total Facial emotion identification test score correlated with right amygdalar volume in aMCIsd (r = 0,804617, p < 0,05). In addition to that, recognition of particular facial emotions dependent on amygdalar laterality was revealed; surprise correlated with right amygdalar volume (r = 0,546312, p < 0,05); and sorrow correlated with left amygdalar volume (r = 0,499867, p < 0,05) in aMCImd subjects. Facial emotion identification impairment is in a relation with the degree of amygdalar atrophy which can be reliably quantified in subjects with aMCI. Facial emotion recognition testing supported with automated volumetry might be promising clinical tool for evaluating subjects at risk of AD among heterogenous MCI population. All MCI subjects should receive special attention and communication skills training." @default.
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- W2002065619 date "2010-07-01" @default.
- W2002065619 modified "2023-10-17" @default.
- W2002065619 title "The contribution of amygdala atrophy to the emotional agnosia in subjects with mild cognitive impairment" @default.
- W2002065619 doi "https://doi.org/10.1016/j.jalz.2010.05.953" @default.
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