In one study, participants used a visual cueing system (VCS) to tell the events of their school day to school staff and family members.
Mewn un astudiaeth, defnyddiodd y cyfranogwyr system o giwiau gweledol (VCS) i sôn am ddigwyddiadau eu diwrnod ysgol wrth staff yr ysgol ac aelodau eu teulu.