Incrementing non-matching- but not matching-to-sample is rapidly learned in an automated version of the odor span task

The odor span task (OST) is frequently used to assess memory capacity in rodents. Odor stimuli are presented in a large arena and choices of session-novel odors produce food reward. The procedure can be described as an incrementing non-matching-to-sample contingency because on each trial one new sti...

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