Human Computer Interaction of eHealth for Older Adults

Human-Computer Interaction (HCI) plays a crucial role in shaping modern technology, enhancing user experience, accessibility, and efficiency in digital systems. HCI integrates disciplines like psychology, design, and computer science to create intuitive interfaces that improve the way users interact with machines. This paper explores the fundamental concepts of HCI, including usability principles, interaction design, and emerging technologies such as artificial intelligence, virtual reality, and gesture-based interactions. Additionally, the paper examines the challenges in HCI, such as accessibility barriers, cognitive overload, and security concerns. By analyzing current trends and future advancements, this study highlights the importance of HCI in designing intelligent, user-friendly, and inclusive digital experiences.