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Zh Vyssh Nerv Deiat Im I P Pavlova. 1999 May-Jun;49(3):436-45.

[The learning characteristics of rats under free-choice conditions].

[Article in Russian]

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Lomonosov State University, Moscow.


The ability to organize a four-link operant food-procuring habit in a multiple alternative maze using the free-choice method was studied in albino rats. Three types of animals were observed which were different in the character of learning. The learning curve of 20% of rats had of exponential character (type I). Some animals (37%) acquired the skill through "insight" and the process of learning in these cases could be described by a logistic regression function (type II). The remaining rats (43%) refused from solving the intricate task and were able to acquire only the simplest form of a response, i.e., running to feeders. It is suggested that learning differences between the I and II types of animals may be associated with different strategies of problem solving: "procedural" (algorithmic) and "conceptual" (semantic).

[Indexed for MEDLINE]

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