The present invention relates to ADHD kids concentration care AR contents, game-type AR contents for improving silver generation mild cognitive impairment, and a bio-signal-fused cognitive training feedback technique. According to an embodiment, in a state in which 24 circular cards and a total of 12 overturned hexagonal question cards are arranged, first, there are two types of markers of male/female standing on a start position and a user can make a selection during a tutorial, second, turning a hexagonal card inside out is processed as a right answer when a picture which is the same as that of a circular card appears, and is processed as a wrong answer when the picture is not the same, third, a content marker is animated with a happy effect for a right answer and a sad effect for a wrong answer, and for the right answer, a right answer animal can be augmented in the card and animated, and fourth, when right answers are consecutively selected for the 24 cards, the game ends, and the user acquires the title of 'God of Memory'.
ADHD KIDS CONCENTRATION CARE AR CONTENTS, GAME-TYPE AR CONTENTS FOR IMPROVING SILVER GENERATION MILD COGNITIVE IMPAIRMENT, AND BIO-SIGNAL-FUSED COGNITIVE TRAINING FEEDBACK SYSTEM