Non MatchtoSample Free Choice

Perhaps the most commonly used RAM paradigm is one in which the animal is free to select any arm, initial arm entries are rewarded, and no delay is imposed between any choices. As detailed elsewhere in this chapter, this paradigm suffers from the potential development of a constant sequence of arm visitation, resulting in the use of reference memory rather than working memory to perform the task. Introducing a forced choice component to this task would make it trial dependent and therefore working memory would be required to perform the task.

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