Recollection and familiarity: Examining controversial assumptions and new directions

AP Yonelinas, M Aly, WC Wang, JD Koen - Hippocampus, 2010 - Wiley Online Library
Hippocampus, 2010Wiley Online Library
It is well accepted that recognition memory reflects the contribution of two separable memory
retrieval processes, namely recollection and familiarity. However, fundamental questions
remain regarding the functional nature and neural substrates of these processes. In this
article, we describe a simple quantitative model of recognition memory (ie, the dual‐process
signal detection model) that has been useful in integrating findings from a broad range of
cognitive studies, and that is now being applied in a growing number of neuroscientific …
Abstract
It is well accepted that recognition memory reflects the contribution of two separable memory retrieval processes, namely recollection and familiarity. However, fundamental questions remain regarding the functional nature and neural substrates of these processes. In this article, we describe a simple quantitative model of recognition memory (i.e., the dual‐process signal detection model) that has been useful in integrating findings from a broad range of cognitive studies, and that is now being applied in a growing number of neuroscientific investigations of memory. The model makes several strong assumptions about the behavioral nature and neural substrates of recollection and familiarity. A review of the literature indicates that these assumptions are generally well supported, but that there are clear boundary conditions in which these assumptions break down. We argue that these findings provide important insights into the operation of the processes underlying recognition. Finally, we consider how the dual‐process approach relates to recent neuroanatomical and computational models and how it might be integrated with recent findings concerning the role of medial temporal lobe regions in other cognitive functions such as novelty detection, perception, implicit memory and short‐term memory. © 2010 Wiley‐Liss, Inc.
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