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Multiple inputs to episodic memory: Evidence from semantic dementia (Abstract).
Authors:
SIMONS, J.S., GRAHAM, K.S., PATTERSON, K., & HODGES, J.R.
Reference:
Hippocampus
Year of publication:
1999
CBU number:
4017
Abstract:
We compared recognition memory for pictures of 'known' and 'unknown' objects and faces in three patients with semantic dementia. All three patients showed preserved recognition memory for the pictures if they were identical at study and test, irrespective of the status of their semantic knowledge about the target items. A direct correspondence between conceptual knowledge of, and recognition memory for, a familiar object or famous person was seen only when the item used at study was replaced with a perceptually different exemplar (e.g., a different photograph of the object/person) in the test phase of the episodic task. These results are inconsistent with Tulving's (1995) model of long-term memory. We propose instead that the data from semantic dementia support a model in which new episodic learning can draw upon perceptual information (e.g., vision, audition, etc.) and semantic knowledge.
