Directed Functional Connectivity Changes of Triple Networks for Stable and Progressive Mild Cognitive Impairment.
Neuroscience
; 545: 47-58, 2024 May 03.
Article
em En
| MEDLINE
| ID: mdl-38490330
ABSTRACT
Mild cognitive impairment includes two distinct subtypes, namely progressive mild cognitive impairment and stable mild cognitive impairment. While alterations in extensive functional connectivity have been observed in both subtypes, limited attention has been given to directed functional connectivity. A triple network, composed of the central executive network, default mode network, and salience network, is considered to be the core cognitive network. We evaluated the alterations in directed functional connectivity within and between the triple network in progressive and stable mild cognitive impairment groups and investigated its role in predicting disease conversion. Resting-state functional magnetic resonance imaging was used to analyze directed functional connectivity within the triple networks. A correlation analysis was performed to investigate potential associations between altered directed functional connectivity within the triple networks and the neurocognitive performance of the participants. Our study revealed significant differences in directed functional connectivity within and between the triple network in the progressive and stable mild cognitive impairment groups. Altered directed functional connectivity within the triple network was involved in episodic memory and executive function. Thus, the directed functional connectivity of the triple network may be used as an imaging marker of mild cognitive impairment.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Encéfalo
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Imageamento por Ressonância Magnética
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Progressão da Doença
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Disfunção Cognitiva
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Rede Nervosa
Limite:
Aged
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Female
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
Neuroscience
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
China