Immersive Virtual Reality–Based Cognitive Intervention for the Improvement of Cognitive Function, Depression, and Perceived Stress in Older Adults With Mild Cognitive Impairment and Mild Dementia: Pilot Pre-Post Study

KaiYan Zhu   ¹ , MD ;   QiongYao Zhang   ² , PhD ;   BingWei He   ³ , PhD ;   MeiZhen Huang   ¹ , MD ;   Rong Lin   ^{1, 4} , MD ;   Hong Li   ^{1, 4} , PhD

¹ The School of Nursing, Fujian Medical University, Fuzhou, China

² Information Management Center, Fujian Provincial Hospital, Fuzhou, China

³ School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China

⁴ Research Center for Nursing Theory and Practice, Department of Nursing, Fujian Provincial Hospital, Fuzhou, China