Linna Ji, Juan Huang, Xiao Wen, et al. Association of hippocampal subfields and serial position effect in the elderly with normal cognition and mild cognitive impairment. [J]. Journal of Shanxi Agricultural Sciences 46(11):1376-1381(2021)
DOI:
Linna Ji, Juan Huang, Xiao Wen, et al. Association of hippocampal subfields and serial position effect in the elderly with normal cognition and mild cognitive impairment. [J]. Journal of Shanxi Agricultural Sciences 46(11):1376-1381(2021) DOI: 10.13406/j.cnki.cyxb.002925.
Association of hippocampal subfields and serial position effect in the elderly with normal cognition and mild cognitive impairment
To explore the correlation between the hippocampal subfields and serial position effect in the elderly with normal cognition and mild cognitive impairment.
Methods
:
2
A total of 21 subjects with mild cognitive impairment (MCI) treated in Fu Xing Hospital
Capital Medical University from January 2016 to January 2019 were selected as the MCI group
and 39 healthy controls (HC) with normal cognition (NC) from physical examination center and outpatient department were simultaneously selected as control group. All participants completed a set of neuropsychological assessment and were all examined by head MRI. The score of serial position effect was obtained using the auditory verbal learning test (AVLT). T1-weighted structural MRI data were collected after cognitive testing
and the subfields of the hippocampal formation were segmented automatically using the FreeSurfer 6.0 software
then volumetric estimates and estimated total intracranial volume were also calculated. Finally
the relationship between hippocampal subfields and serial position effect were analyzed.
Results
:
2
The volume of each hippocampal subfield of MCI was smaller than that of the healthy control
but after Bonferroni correction of multiple comparison
only the difference in the presubiculum was statistically significant (
P
<
0.05). The presubiculum was positively correlated with the total score of AVLT delayed recall and the score of primacy effect.
Conclusion
:
2
Compared with the healthy control
the MCI patients show atrophy in all subfields. The volume of the presubiculum presents the most prominent reduction
which is correlated with the impairment of long-term memory.
关键词
海马亚区序列位置效应轻度认知障碍
Keywords
hippocampal subfieldserial position effectmild cognitive impairment
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