What is episodic memory in artificial intelligence?

Definition

Episodic memory organizes information around individual experiences, such as a completed task, conversation or failure. An agent can retrieve a relevant episode when a later situation resembles it, instead of relying only on general instructions or facts.

The design must decide what constitutes an episode, how it is summarized and how retrieval relevance is measured. Stored episodes can preserve mistakes or sensitive details, so provenance, correction and deletion policies remain important.

Frequently asked questions

How is episodic memory different from semantic memory?

Episodic memory represents specific events or experiences, while semantic memory represents generalized facts and concepts.

How can an agent use episodic memory?

It can retrieve a prior task or interaction that resembles the current situation and use the recorded outcome to guide its next action.

Videos explaining episodic memory