Affirmative activities are activities that keep the person happily occupied. Allow the person to use their mental abilities builds a positive sense of who they are. Within ACL 5 Low, the person can access information from their short-term memory. This information, which lasts from an hour to a week, allows the person to make improvements to their previous actions. Simpler less demanding activities have a calming effect on the person whereas more demanding activities that uses the person's best ability to function makes the person more alert and encourages maximum task engagement.