Non-Pharmacological Approaches for Behavioral Symptoms in Dementia
Summary
Behavioural and psychological symptoms of dementia (BPSD) encompass non-cognitive manifestations such as agitation, aggression, apathy, depression and anxiety that affect the vast majority of individuals with dementia and contribute to reduced quality of life and increased caregiver burden. Non-pharmacological approaches adopt personalised, person-centred strategies to mitigate these symptoms with minimal adverse effects. Core modalities include cognitive stimulation and rehabilitation therapies that engage memory and problem-solving; sensory-based interventions such as music and art therapy, aromatherapy and massage; structured physical activity and exercise programmes to improve mood and sleep; environmental modifications to enhance orientation and reduce distress; and caregiver education and behavioural management techniques to foster supportive interactions. Recent advances have also harnessed digital technologies, including virtual reality simulations and social robotics, to offer immersive, adaptive stimuli. Multicomponent and tailored interventions, integrating several modalities, show promise in addressing the heterogeneity of BPSD. Globally, these approaches are being implemented across home, community and long-term care settings, demonstrating improvements in agitated and depressive symptoms, reductions in neuropsychiatric medication use and enhanced wellbeing. Future directions emphasise rigorous trial designs, scalability in diverse cultural contexts and optimisation of intervention dosage to inform best practice guidelines and policy frameworks worldwide.
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Non-Pharmacological Approaches for Behavioral Symptoms in Dementia publication trend
The graph below shows the total number of articles in non-pharmacological approaches for behavioral symptoms in dementia across all publications each year (not limited to Nature Index journals).
Technical terms
BPSD: Behavioural and psychological symptoms of dementia, encompassing non-cognitive disturbances such as agitation, aggression, depression and apathy.
Cognitive stimulation therapy: Structured activities and exercises designed to engage memory, language and executive function in individuals with dementia.
Sensory stimulation: Interventions that employ music, art, touch, aroma or light to elicit positive emotional and behavioural responses.
Virtual reality: Computer-generated immersive environments used to deliver adaptive, interactive experiences aimed at reducing neuropsychiatric symptoms.
Actigraphy: The use of wrist-worn accelerometers to monitor sleep–wake cycles and physical activity, informing tailored behavioural interventions.
References
- The use and effect of virtual reality as a non-pharmacological intervention for behavioural and psychological symptoms of dementia: a systematic review and meta-analysis. Age and Ageing (2025).
- Efficacy of therapeutic intervention with NanoBEO to manage agitation and pain in patients suffering from severe dementia: a pilot clinical trial. Frontiers in Pharmacology (2024).
- An overview of systematic reviews of pharmacological and non-pharmacological interventions for the treatment of behavioral and psychological symptoms of dementia. International Psychogeriatrics (2017).
- Factors Associated With Behavioral and Psychological Symptoms of Dementia: Prospective Observational Study Using Actigraphy. Journal of Medical Internet Research (2021).
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