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Kumaran, Dharshan; McClelland, James L. – Psychological Review, 2012
In this article, we present a perspective on the role of the hippocampal system in generalization, instantiated in a computational model called REMERGE (recurrency and episodic memory results in generalization). We expose a fundamental, but neglected, tension between prevailing computational theories that emphasize the function of the hippocampus…
Descriptors: Generalization, Brain Hemisphere Functions, Role, Memory
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Larrauri, Jose A.; Schmajuk, Nestor A. – Psychological Review, 2008
The participation of attentional and associative mechanisms in extinction, spontaneous recovery, external disinhibition, renewal, reinstatement, and reacquisition was evaluated through computer simulations with an extant computational model of classical conditioning (N. A. Schmajuk, Y. Lam, & J. A. Gray, 1996; N. A. Schmajuk & J. A. Larrauri,…
Descriptors: Cues, Classical Conditioning, Associative Learning, Computer Simulation
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Mayor, Julien; Plunkett, Kim – Psychological Review, 2010
We present a neurocomputational model with self-organizing maps that accounts for the emergence of taxonomic responding and fast mapping in early word learning, as well as a rapid increase in the rate of acquisition of words observed in late infancy. The quality and efficiency of generalization of word-object associations is directly related to…
Descriptors: Generalization, Vocabulary Development, Classification, Language Acquisition
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Stout, Steven C.; Miller, Ralph R. – Psychological Review, 2007
Cue competition is one of the most studied phenomena in associative learning. However, a theoretical disagreement has long stood over whether it reflects a learning or performance deficit. The comparator hypothesis, a model of expression of Pavlovian associations, posits that learning is not subject to competition but that performance reflects a…
Descriptors: Stimuli, Competition, Classical Conditioning, Associative Learning
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Gluck, Mark A.; Thompson, Richard F. – Psychological Review, 1987
A computational model of the neural substrates of elementary associate learning is developed. It is used to demonstrate that several higher order features of classical conditioning could be elaborations of the known cellular mechanisms for simple associative learning. (Author/LMO)
Descriptors: Associative Learning, Conditioning, Learning Processes, Mathematical Models
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Wickelgren, Wayne A. – Psychological Review, 1979
Horizontal vs vertical associative memory is defined. Vertical associative memory involves chunking--specifying new nodes representing combinations of old nodes. Chunking is the basis of semantic memory and cognitive learning. The hippocampal (limbic) arousal system is critical to the chunking process; its disruption produces the amnesic syndrome.…
Descriptors: Association (Psychology), Associative Learning, Cognitive Processes, Conditioning