Prospective Memory
The cognitive ability to remember to carry out a planned action at the right future moment, like taking medication when you see your coffee mug or calling someone after a meeting ends.
A form of memory involving the formation, retention, and execution of intended actions at a specific future time or when a particular cue appears. Unlike retrospective memory (recalling past events), it requires holding an intention in mind while engaged in other activities, then recognizing the appropriate moment to act. It encompasses time-based tasks (remembering at 3pm) and event-based tasks (remembering when you see a specific trigger).
What this means in real life
Setting a mental note to ask your partner about their doctor's appointment when they get home from work, then actually remembering to do so hours later when you hear the door open—despite being absorbed in cooking dinner.
What it isn’t
Not the same as simply forgetting something or having poor memory in general. Someone can have excellent recall of past events but still struggle with executing future intentions at the right moment, because it requires active monitoring and cue detection, not just storage and retrieval.
Commonly misused online
Often conflated with general forgetfulness or ADHD symptoms in social media discussions, when it's actually a specific cognitive function everyone uses daily. Posts claiming 'I have no prospective memory' typically describe ordinary lapses rather than clinical impairment of this distinct memory system.
Based on 1 reference source, including primary sources. Last verified August 4, 2026.