21. Episodic memory is believed by many to be the system that supports and underpins semantic memory . 22. Episodic memory is believed to be the system that provides the basic support for semantic memory . 23. Some believe semantic memory lives in temporal neocortex. 24. Neuroimaging evidence suggests that left hippocampal areas show an increase in activity during semantic memory tasks. 25. They proposed a transition from episodic to semantic memory in autobiographical memory recollection with increased age. 26. Suggested post-hypnotic amnesia also involves a " temporary, retrieval-based dissociation between episodic and semantic memory ". 27. Spreading activation is a mechanism for allowing the current context to influence retrievals from semantic memory . 28. Some studies claim that dreams strengthen semantic memories . 29. The semantic memory paradigm also adds representational meaning to the theories of eye-witness testimony and false memories. 30. Semantic memories appear to be stored in the neocortex, specifically the anterolateral temporal lobe of the neocortex.