Cognitive impairment is a brain condition resulting from trauma such as old age, falls, road accidents or sports-related injuries, or other causes, including vascular, infective, or inflammatory insults. Some signs of cognitive impairment are memory concerns, or other cognitive complaints. Non-memory triggers include personality change, depression, deterioration of chronic disease without explanation, and falls or balance issues. Old age people, people having dementia, and people having mild cognitive impairment always need permanent surveillance of a doctor or nurse. Therefore, we need automated and sustainable solutions to assess an individual's health condition quickly and efficiently.

Cognitive assessment plays a central role in research and clinical care related to cognitive aging and cognitive health. Cognitive assessment assists individuals who cannot efficiently carry out their routine activities to promote sustainability and support independent living. Recently, researchers have worked towards providing solutions to assess an individual's cognitive health, but it is still challenging to use such solutions in the real world, and hence using Deep Neural Networks to assess cognitive health has become a highly relevant research topic.

Given these facts and developments, this Special Issue aims to collate original research and review articles with a focus on investigating and sharing ground-breaking ideas, approaches, hypotheses, and practices centered around cognitive healthcare applications.

Potential topics include but are not limited to the following:

• Deep Neural Networks based cognitive health assessment applications
• Deep Neural Networks for clinical decision support systems
• Deep Neural Networks for elderly care
• Deep Neural Networks for neuropsychological assessment
• Smart monitoring and assisted living systems for cognitive health assessment
• Machine and deep learning for healthcare data
• Activity recognition for cognitive health applications
• Deep Neural Networks based big data analysis for cognitive health assessment