Two is better than one: distinct roles for familiarity and recollection in retrieving palimpsest memories

Storing a new pattern in a palimpsest memory system comes at the cost of interfering with the memory traces of previously stored items. Knowing the age of a pattern thus becomes critical for recalling it faithfully. This implies that there should be a tight coupling between estimates of age, as a form of familiarity, and the neural dynamics of recollection, something which current theories omit. Using a normative model of autoassociative memory, we show that a dual memory system, consisting of two interacting modules for familiarity and recollection, has best performance for both recollection and recognition. This finding provides a new window onto actively contentious psychological and neural aspects of recognition memory.

[1]  Geoffrey E. Hinton,et al.  A Learning Algorithm for Boltzmann Machines , 1985, Cogn. Sci..

[2]  Radford M. Neal.  Sampling from multimodal distributions using tempered transitions , 1996, Stat. Comput..

[3]  Tomoki Fukai,et al.  A Simple Neural Network Exhibiting Selective Activation of Neuronal Ensembles: From Winner-Take-All to Winners-Share-All , 1997, Neural Computation.

[4]  M. W. Brown,et al.  Differential neuronal encoding of novelty, familiarity and recency in regions of the anterior temporal lobe , 1998, Neuropharmacology.

[5]  Peter Dayan,et al.  Bayesian retrieval in associative memories with storage errors , 1998, IEEE Trans. Neural Networks.

[6]  Michael I. Jordan,et al.  Deterministic Boltzmann Learning Performs Steepest Descent in Weight-Space , 2001 .

[7]  Yukito Iba.  EXTENDED ENSEMBLE MONTE CARLO , 2001 .

[8]  Malcolm W. Brown,et al.  Recognition memory: What are the roles of the perirhinal cortex and hippocampus? , 2001, Nature Reviews Neuroscience.

[9]  A. Yonelinas.  Components of episodic memory: the contribution of recollection and familiarity. , 2001, Philosophical transactions of the Royal Society of London. Series B, Biological sciences.

[10]  A. Yonelinas.  The Nature of Recollection and Familiarity: A Review of 30 Years of Research , 2002 .

[11]  Rafal Bogacz,et al.  Comparison of computational models of familiarity discrimination in the perirhinal cortex , 2003, Hippocampus.

[12]  R. Silver,et al.  Shunting Inhibition Modulates Neuronal Gain during Synaptic Excitation , 2003, Neuron.

[13]  R. O’Reilly,et al.  Modeling hippocampal and neocortical contributions to recognition memory: a complementary-learning-systems approach. , 2003, Psychological review.

[14]  H. Eichenbaum,et al.  Recollection-like memory retrieval in rats is dependent on the hippocampus , 2004, Nature.

[15]  P. Dayan,et al.  Matching storage and recall: hippocampal spike timing–dependent plasticity and phase response curves , 2005, Nature Neuroscience.

[16]  L. Abbott,et al.  Cascade Models of Synaptically Stored Memories , 2005, Neuron.

[17]  M. Hasselmo.  The role of acetylcholine in learning and memory , 2006, Current Opinion in Neurobiology.

[18]  Peter Dayan,et al.  Uncertainty, phase and oscillatory hippocampal recall , 2006, NIPS.

[19]  Kevin N. Gurney,et al.  The Basal Ganglia and Cortex Implement Optimal Decision Making Between Alternative Actions , 2007, Neural Computation.

[20]  Carl E. Rasmussen,et al.  Gaussian processes for machine learning , 2005, Adaptive computation and machine learning.

[21]  P. Berkes,et al.  Statistically Optimal Perception and Learning: from Behavior to Neural Representations , 2022 .

[22]  Rosemary A. Cowell,et al.  Paradoxical False Memory for Objects After Brain Damage , 2010, Science.

[23]  Malcolm W. Brown,et al.  Findings from animals concerning when interactions between perirhinal cortex, hippocampus and medial prefrontal cortex are necessary for recognition memory , 2010, Neuropsychologia.

[24]  L. Squire,et al.  The medial temporal lobe and the attributes of memory , 2011, Trends in Cognitive Sciences.