Prevalence, treatment, and neural correlates of apathy in different forms of dementia: a narrative review

Author:

Parrotta Ilaria,Cacciatore StefanoORCID,D’Andrea Flavio,D’Anna Marianna,Giancaterino Giulia,Lazzaro Giovanni,Arcara GiorgioORCID,Manzo NicolettaORCID

Abstract

Abstract Objectives The aim of this review is to provide an overview on prevalence and clinical tools for the diagnosis of apathy, as well as on neurophysiological and neuroimaging findings obtained from studies in patients with apathy in different forms of dementia, including Alzheimer’s disease (AD), vascular (VaD) and mixed dementia, frontotemporal dementia (FTD), and Parkinson’s disease dementia (PDD). Methods Randomized controlled trials, non-randomized controlled trials, controlled before–after studies, and interrupted time series from four databases (WebOfScience, Scopus, Pubmed, and PsycINFO) addressing apathy in adults or older people aged over 65 years of age affected by dementia were included. Results The prevalence of apathy was 26–82% for AD, 28.6–91.7 for VaD, 29–97.5% in PDD, and 54.8–88.0 in FTD. The assessment of apathy was not consistent in the reviewed studies. Methylphenidate was the most successful pharmacological treatment for apathy. Neurobiological studies highlighted the relationship between both structural and functional brain areas and the presence or severity of apathy. Conclusion Apathy is a very common disorder in all types of dementia, although it is often underdiagnosed and undertreated. Further studies are needed to investigate its diagnosis and management. A consensus on the different evaluation scales should be achieved.

Funder

Università Cattolica del Sacro Cuore

Publisher

Springer Science and Business Media LLC

Subject

Psychiatry and Mental health,Neurology (clinical),Dermatology,General Medicine

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