A Computational Process Model Of Evaluation Based On The Cognitive Structuring Of Episodic Knowledge

Third, most Natural Language Processing tools are tuned for newspaper text. If an individual has difficulty linking information about a new object to goals, he or She may produce a mental simulation of using the object. For instance, an individual may mentally simulate driving a particular automobile, wearing a particular coat or cooking a meal in a particular kitchen. This may help the individual determine if the object will be useful in obtaining a particular goal how many unpaired electrons does the element cobalt (co) have in its lowest energy state? state. The stronger the link between the two nodes, the more likely it is that the activation will spread along that linkThe spread of activation has limited capacity in that the more links that are being activated at once, the less activation that will spread to any one. ELEMENTS OF THE MODELWhile the propositions of Anderson’s model are really abstract cognitive elements, propositional networks are most easily understood in their concrete expression in sentences.

They also suggest that priming effects are mediated by structures in the neocortex. Tulving and Schacter agree about the role played by the medial temporal lobe memory system in explicit episodic memory, but have proposed that repetition priming is mediated by a number of modality-specific perceptual representation systemslocated in the neocortex. On this view, the function of the hippocampus and other structures of the MTMS is to bind these separate perceptual representations into a unified representation of the event as a whole.

For example, during the discovery stage it may find that Joe Smith could not be responsible for hit-and-run because he was receiving a speeding ticket at the time of the hit-and-run. The methods enable the discovered information to be linked using natural language processing methods like spreading activation. A goal of the computer implemented systems and methods of this invention is to enhance the accuracy of clinical free-text mining by developing domain specific spreading activation methods that mimic human memory models. Like the other functions, the threshold value of the activation function is application-dependent and can vary from node to node, thus introducing the dependence of threshold on node, kj.

A) WM is more like a filing cabinet with a specific number of slots that information can be put in. B) It improves our ability to learn, regardless of the depth of processing. B) using a mnemonic involves a trade-off of attention so that less attention is available for making the many memory connections that can help one understand the material. A) poor recollection of all the “G ” words because the situation invites maintenance rehearsal. B) Group 4 has no intention of memorizing the words and attempts to determine how the words are related to one another. A) Group 1 intends to memorize a series of words and, while studying, repeats the words mechanically over and over again.

There is also a levels effect on priming in elderly subjects, who perform more poorly on tests of explicit memory than do young controls. Of course, elderly subjects are not completely amnesic, and even most amnesic subjects retain some residual ability for conscious recollection. So, findings such as these cannot rule out the possibility that performance on implicit memory tests can be supported, to at least some extent, by explicit memory. Theories aside, the first thing to note is that almost all demonstrations that implicit memory is unaffected by level of processing have employed repetition priming tasks.

Amnesics do not remember much, but because of their spared implicit memory, they can strategically rely on priming-based feelings of familiarity to make relatively accurate judgments about the past, and thus improve their performance on explicit memory tasks. The difference between explicit and implicit expressions of memory is underscored by an experiment which corrected a subtle ambiguity in many early studies of priming in amnesia. The stem- and fragment-completion tasks often used to assess priming are analogous to cued recall, in that the stem or fragment may serve as a cue for recalling the entire target word. The fact that amnesics perform poorly on tests of recognition memory, which provide even more cue information than cued-recall tests, argues against this possibility. Still, a properly controlled comparison of explicit and implicit memory would hold the cues constant at the time of the test, and vary task requirements.

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