Mayumi Ohara is a sculptor and graphic designer. In addition to editing and designing books, she creates handmade crafts. She began with kirigami and expanded her repertoire to include origami, beadwork, ceramics and flower arrangements. She has written many books on origami, papercrafts and puzzles. Professor Katsushi Yokoi is Vice Chair of the Department of Occupational Therapy at Morinomiya University of Medical Sciences in Osaka, Japan.
""Ohara and Yokoi aim to show readers that the Japanese approach to style and design, when combined with cutting-edge research, can positively impact not only our art and aesthetics but our very humanity.…the authors have truly innovated on the centuries-old art of origami (folded paper) to stimulate brain function in adults and seniors.""—Booklist ""With colorfully and profusely illustrated step-by-step instructions for each individual Origami project, Healthy Brain Origami…is an enthusiastically recommended pick […] as well as an addition to 'just for fun' lists for those legions of dedicated Origami fans."" —Midwest Book Review