Profiling the Research Landscape on Cognitive Aging: A Bibliometric Analysis and Network Visualization
Zahiruddin Othman1, Ahmad Shahril Abdul Halim1, Khairunnuur Fairuz Azman1
1School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia.
Frontiers in Aging Neuroscience
|May 16, 2022
Summary
This bibliometric analysis reveals a growing field of cognitive aging research, with the US leading and key future topics including brain function, neurodegeneration, and lifestyle factors.
Area of Science:
- Neuroscience and Gerontology
- Bibliometrics and Scientometrics
Background:
- Cognitive aging research has expanded significantly over time.
- Understanding the landscape of this research is crucial for future directions.
Purpose of the Study:
- To map the cognitive aging research landscape from 1956 to 2021.
- To identify key trends, influential researchers, and emerging topics.
Main Methods:
- Bibliometric analysis of 3,779 documents from the Scopus database.
- Network visualization using VOSviewer to construct enhanced strategic diagrams (ESDs).
- Analysis of keyword centrality, density, and novelty.
Main Results:
- An increasing trend in publication volume was observed.
- The United States is the leading country, and I. J. Deary is the most productive researcher.
- Collaboration has increased since 1980, with Frontiers in Aging Neuroscience as a key journal.
Conclusions:
- Future research will likely focus on neuropsychological assessment, functional connectivity, and factors like HIV, obesity, and epigenetics.
- Emerging topics include decision-making, default mode network, BDNF, frailty, and gait speed.
- The field is dynamic, with evolving research priorities and methodologies.
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