This literature review explores the use of deductive learning-based adaptive user interfaces to provide digital social support for aged people. It examines various research papers focusing on ICT-based fall prevention systems, age-friendly smart home technologies, natural interaction design for seniors, touchless interfaces for medical volume datasets, and model-driven contextual help for adaptive user interfaces. The review analyzes the techniques, goals, components, processes, advantages, disadvantages, and future work of each research paper, highlighting their potential contributions to the development of effective digital social support systems for older adults.