2. PICO criteria ‐ considerations for future research.

PICO	Research question components
P: Population of interest or problem to be addressed	Participants with specified type and severity of dementia
I: Intervention to be considered	Art therapy as defined by the British Association of Art Therapists as a gold standard
C: Comparison or control intervention	Non‐active control: no treatment, usual care, waiting list Active control group: attention placebo or other form of psychological intervention for dementia
O: Outcome of interest	Primary outcomes Cognition ‐ attention/orientation, memory, fluency, language, visuospatial perception Affect and emotional well‐being Social functioning Behaviour Neuroimaging Secondary outcomes Adverse effects Death Quality of life Economic outcomes Carer outcomes