Object permanence refers to the understanding that objects continue to exist when they’re out of sight, a skill typically developed in infancy. In neurodivergent conversations, the term is often used informally to describe a familiar experience of forgetting tasks, objects, or people when they’re not visible. That experience is more accurately linked to working memory or executive functioning differences, often in the context of ADHD.

This can also connect to a strong sense of “now” and “not now” time. When something isn’t happening in the present moment, it can feel surprisingly distant, even if it matters deeply. This might look like forgetting to respond to messages, losing track of upcoming plans, struggling to remember to check in with people you care about, or unintentionally letting relationships drift during longer gaps in contact.