Abstract
A limit number of studies have applied bibliometric visualisation to explore the network structure of Alzheimer's disease (AD). This paper uses CiteSpace, Carrot and VOSviewer to analyse and visualise the intellectual structure of AD, characterising, quantitatively and qualitatively, the global scientific outputs and identifying their trends. The 9,753 articles obtained from the science citation index expanded database (SCI-E), from Web-of-Science, were analysed. The publication data is analysed computationally to identify publication patterns, a rate of growth of publications, types of authorship collaboration, the most productive authors, countries, institutions, journals, keywords, the citation and keyword patterns, the hotspots and the areas of research on the AD. The paper presents a detailed analytical mapping of AD research and charts the progress of discipline with various useful parameters. The authors expect to contribute to the theory, supplying researchers with new tools and enabling practitioners to improve their knowledge about the AD evolution and trends.
Highlights
Alzheimers Disease (AD), first defined by Alois Alzheimer, a German psychiatrist and neuropathologist in 1907 (Zilka and Novak, 2006), is the most common form of dementia in the elderly (Berr et al 2005, Cummings 2004)
The 9,753 articles obtained from the science citation index expanded database (SCI-E), from Web-of-Science, were analysed
The underlying data originate in the tabulation of each dimension came from the online version of science citation index expanded database, from the Institute of Scientific Information Web-of-Science database (WoS)
Summary
Alzheimers Disease (AD), first defined by Alois Alzheimer, a German psychiatrist and neuropathologist in 1907 (Zilka and Novak, 2006), is the most common form of dementia in the elderly (Berr et al 2005, Cummings 2004). Close to 50 million people worldwide are currently living with dementia, and this number is projected to double every 20 years, reaching 74.7 million in 2030 and 131.5 million in 2050 (Prince et al 2015). By 2050, there is expected to be one new case of AD every 33 seconds, or nearly a million new cases per year, and AD prevalence is projected to be 11 million to 16 million in United States (Alzheimer’s Association 2012). The worldwide cost associated with this increasing dementia prevalence is expected to rise from the current $818 billion to $2 trillion by 2030 (Prince et al 2015). Societal, and healthcare costs, it is not surprising that global efforts to develop and implement dementia risk reduction strategies are occurring (Greenwood and Parrott 2017)
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