Episodic memory

Episodic memory is memory for personally experienced events, including information about when and where they occurred. It supports mentally reliving specific moments from one’s past.

Hippocampus: A medial temporal lobe structure essential for forming and retrieving many kinds of declarative memory. It helps bind an event’s people, place, and details into a retrievable memory.
Semantic memory: Memory for facts, concepts, and meanings that does not depend on recalling a specific personal event. Knowing a fact differs from remembering the occasion on which it was learned.
Autonoetic consciousness: The awareness of oneself as re-experiencing a past event or projecting into a personal future. This subjective sense of reliving distinguishes episodic recollection from knowing a fact.
Recognition memory: Memory expressed by identifying a stimulus or event as previously encountered. Recognition can occur through familiarity even when contextual details are not recalled.
Pattern separation: A neural computation that makes similar experiences into distinct memory representations. It helps keep overlapping episodes, such as visits to similar places, distinct.
Declarative memory: Consciously accessible memory for facts and events, including semantic and episodic memory. Episodic memory is one of the two major forms of declarative memory.
Remember–know paradigm: A memory test in which people classify recognition as recollection or familiarity. It measures recollective experience separately from a feeling that something is familiar.
Familiarity (memory): A sense that something has been encountered before without recollection of its context. Familiarity lacks the event-specific reliving associated with episodic memory.
Pattern completion: A neural process that retrieves a whole memory from a partial cue. A fragment such as a smell or location can reinstate a broader episode.
Source memory: Memory for where, when, or how a piece of information was acquired. Remembering an episode often includes its source and surrounding circumstances.

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