AD	Alzheimer’s disease;
aMCI	Amnestic mild cognitive impairment;
CG	Control group;
CT	Cognitive training;
CTX	Context;
DOREMI	Decrease of cOgnitive decline, malnutRition, and sedEntariness by elderly empowerment in lifestyle Management and social Inclusion;
EG	Experimental group;
FG	Focus group;
HCD	Human-centered design;
HCI	Human–computer interaction design;
HOP	Healthy old people;
IQ	Impression questionnaire;
KLOSCAD	Korean Longitudinal Study on Cognitive Aging and Dementia;
LBD	Lewy body dementia;
MCI	Mild cognitive impairment;
MMSE	Mini mental state examination;
MoCA	Montreal Cognitive Assessment;
N	Number;
naMCI	Non-amnestic mild cognitive impairment;
OB	Observation;
OQ	Opinion questionnaire;
PC	Computer;
PSQ	Patient satisfaction questionnaire;
PwD	People with dementia;
Q	Questionnaire;
QI	Qualitative interview;
QoL	Quality of life;
SDCRN	Scottish Dementia Clinical Research Network;
SMART	Spaced Retrieval-based Memory Advancement and Rehabilitation Training;
TBI	Traumatic brain injury;
UCD	User-centered design;
USMART	The Ubiquitous Spaced Retrieval-based Memory Advancement and Rehabilitation Training;
UX	User-experience.