Professional Summary

Lizhi is a Ph.D. candidate in the Department of Psychology at The Chinese University of Hong Kong, supervised by Prof. Helene H. Fung and Prof. Hanna Lu. He also serves as a Visiting PhD Student at King’s College London under the guidance of Prof. Dag Aarsland. Lizhi’s research primarily focuses on the moderating effect of Cognitive Reserve on cognitive aging. He utilizes multi-modal data—including neuroimaging and fluid biomarkers—to investigate the resilience mechanisms that allow individuals to maintain cognitive function despite neuropathology. Prior to his doctoral studies, Lizhi worked as a Research Assistant at the Shenzhen Bay Laboratory, where he gained extensive experience in multi-modal data collection, including neuroimaging, blood biomarkers, and neuropsychological assessments. He holds a Master’s degree in Applied Psychology from Tianjin University, where his thesis on the association between social isolation, loneliness and cognition was recognized as an Outstanding Thesis. His work has been published in leading peer-reviewed journals, including Alzheimer’s & Dementia, Alzheimer’s Research & Therapy, Neurobiology of Aging, Age and Ageing, and Archives of Gerontology and Geriatrics. He also serves as a reviewer for several high-impact journals, such as Alzheimer’s & Dementia, Age and Ageing, and Depression and Anxiety.

Education

Ph.D in Psychology

The Chinese University of Hong Kong

Visiting Ph.D student

King's College London

M.Ed in Applied Psychology

Tianjin University

B.E in Material Forming & Control Engineering

Jilin University

Interests

Cognitive Reserve Brain Reserve Resilience Social determinant Functional Connectivity Neuroimaging Alzheimer’s disease
Featured Publications
The moderating effect of cognitive reserve on the association between neuroimaging biomarkers and cognition: A systematic review featured image

The moderating effect of cognitive reserve on the association between neuroimaging biomarkers and cognition: A systematic review

CR buffers early AD cognitive impact from neuroimaging biomarkers. High CR may lead to sharper cognitive decline in later AD stages. CR’s “critical point” may lie between CU and …

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Lizhi Guo
Social isolation, loneliness and functional disability in Chinese older women and men: a longitudinal study featured image

Social isolation, loneliness and functional disability in Chinese older women and men: a longitudinal study

This study investigated whether loneliness or social isolation is associated with the onset of functional disability over 4 years among Chinese older populations.

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Lizhi Guo
Recent Publications
Recent News

Lizhi was invited as a reviewer of Journal of Affective Disorders

Lizhi was invited as a reviewer of Journal of Affective Disorders.
Nov 24, 2025
Lizhi was invited as a reviewer of Journal of Affective Disorders

Lizhi was invited as a reviewer of Alzheimer's & Dementia

Lizhi was invited as a reviewer of Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association
Apr 8, 2025
Lizhi was invited as a reviewer of Alzheimer's & Dementia
Projects
The moderating effect of cognitive reserve on cognitive aging featured image

The moderating effect of cognitive reserve on cognitive aging

CR reflects the brain’s functional and dynamic ability to optimize or compensate that enable cognitive performance that exceeds expectations.

Social isolation, loneliness, and health among older adults featured image

Social isolation, loneliness, and health among older adults

Socially connected individuals can feel lonely, just as socially isolated individuals can be satisfied with their social relationships.

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Contact

Directions

Room 345, Department of Psychology

Address

The Chinese University of Hong Kong, Shatin

Hong Kong, New Territories