Table 1.

Key terms used for systematic search

Search block 1 (Affective problems)	Search block 2 (Cognitive decline)	Search block 3 (Study design)
Depress* OR MDD OR Dysthymi* OR Anxi* OR GAD OR worr* OR Phobia OR Panic OR Agoraphobia OR ‘Obsessive compulsive’ OR OCD OR PTSD OR ‘Post traumatic stress’ OR ‘Post-traumatic stress’ OR mood OR affective OR psychiatric OR neuropsychiatric	‘Cognitive function’ OR ‘Cognitive impairment’ OR ‘Cognitive decline’ OR ‘Cognitive deficit’ OR ‘Cognitive loss’ OR ‘Cognition loss’ OR ‘Cognitive ability’ OR ‘Cognitive abilities’ OR ‘Cognitive status’ OR ‘Cognitive change’ OR ‘Cognition change’ OR ‘Cognitive performance’ OR ‘Cognitive dysfunction’ OR ‘Cognitive complaints’ OR ‘Cognitive capability’ OR ‘Cognitive ageing’ OR ‘Cognitive aging’ OR Memory OR Attention OR ‘Reaction time’ OR ‘Speed of processing’ OR ‘Processing speed’ OR Intelligence OR ‘General mental ability’ OR GMA OR ‘Executive function’ OR ‘Neuropsychological testing’ OR ‘Mini mental state exam’ OR MMSE OR ‘Mental status’	Longitudinal OR prospective OR follow-up OR cohort OR ‘life course’ OR lifespan OR ‘life span’ OR lifelong OR ‘lifelong’