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The online version of this article (doi:10.1007/s11571-014-9284-2) contains supplementary material, which is available to authorized users.
We investigated the ability of rats to recall sequences of nose-poke holes with a modified serial reaction time task. In each trial, a sequence was randomly selected and the position of the first illuminated hole, which functioned as a cue stimulus, informed the rats whether the following sequence was a predictable one or not, based on prior training. The rats responded predictively only when the cues of the predictable sequences were presented. They did not show predictive responses when the cues of unpredictable sequences were presented, even though the unpredictable sequences partially had the same order of holes as the predictable sequences. These results indicate that the rats can recall sequences on the basis of presentation of the first cue stimulus informing predictable or unpredictable sequences. Recording neuronal activity while rats perform this behavioral task would be useful to elucidate neuronal mechanisms that mediate sequence recall.
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Supplementary material 1 (PDF 141 kb)11571_2014_9284_MOESM1_ESM.pdf
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- Recall of sequences based on the position of the first cue stimulus in rats
- Springer Netherlands