Does ADHD cause issues with object permanence in adults?

Yes, this is very commonly reported by adults with ADHD, though it’s a bit of a shorthand description rather than true object permanence loss. In ADHD, the issue isn’t that you don’t understand something still exists. It’s that working memory and attentional tracking are inconsistent. When an item, task, or responsibility is out of sight, it drops out of active awareness because the brain isn’t reliably holding it in mind. Without a visual or contextual cue, it’s easy for it to disappear from attention. This shows up in everyday ways, like forgetting to return a message, missing appointments, or leaving items in unusual places and then forgetting them. It’s especially common with tasks that aren’t urgent or emotionally charged. Clinically, I explain this as a cue-based brain rather than a memory problem. ADHD brains respond strongly to what’s in front of them. When cues are removed, so is the prompt to remember. That’s why visual systems help so much. Keeping items visible, using checklists, reminders, or placing things in consistent locations externalizes memory. The goal isn’t to “remember harder,” but to design your environment so it reminds you automatically. So yes, this experience fits well with ADHD, and it’s very workable once you understand it’s about attention, not carelessness.