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Mental time travel in the rat: Dissociation of recall and familiarity

  • Madeline J. Eacott (a1) and Alexander Easton (a1)
Abstract

We examine and reject the claim that the past-directed aspect of mental time travel (episodic memory) is unique to humans. Recent work in our laboratory with rats has demonstrated behaviours that resemble “remember, know” judgements about past occasions. Similar to human episodic memory, we can also demonstrate a dissociation in the neural basis of recollection and familiarity in nonhumans.

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Eacott, M. J., Easton, A. & Zinkivskay, A. (2005) Recollection in an episodic-like memory task in the rat. Learning and Memory 12(3):221–23.
Easton, A., Eacott, M. J., Zinkivskay, A. & Jimenez-Rodriguez, M. (2006) Fornix lesions and episodic-like memories: Recollection impaired, familiarity intact. Society for Neuroscience Abstracts 66(5).
Fortin, N. J., Wright, S. P. & Eichenbaum, H. (2004) Recollection-like memory retrieval in rats is dependent on the hippocampus. Nature 431:188–91.
Friedman, W. J. (1993) Memory for the time of past events. Psychological Bulletin 113(1):4466.
Yonelinas, A. P. (1994) Receiver-operating characteristics in recognition memory – evidence for a duel-process model. Journal of Experimental Psychology – Learning, Memory, and Cognition 20:1341–54.
Yonelinas, A. P., Kroll, N. E. A., Dobbins, I., Lazzara, M. & Knight, R. T. (1998) Recollection and familiarity deficits in amnesia: Convergence of remember/know, process dissociation and receiver operating characteristic data. Neuropsychology 12:323–39.
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Behavioral and Brain Sciences
  • ISSN: 0140-525X
  • EISSN: 1469-1825
  • URL: /core/journals/behavioral-and-brain-sciences
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