Rapid transfer of abstract rules to novel contexts in human lateral prefrontal cortex.
Rapid transfer of abstract rules to novel contexts in human lateral prefrontal cortex.
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DOI:
10.3389/fnhum.2011.00142
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发表时间:
2011
影响因子:
2.9
通讯作者:
Braver TS
中科院分区:
文献类型:
--
作者:
Cole MW;Etzel JA;Zacks JM;Schneider W;Braver TS
Flexible, adaptive behavior is thought to rely on abstract rule representations within lateral prefrontal cortex (LPFC), yet it remains unclear how these representations provide such flexibility. We recently demonstrated that humans can learn complex novel tasks in seconds. Here we hypothesized that this impressive mental flexibility may be possible due to rapid transfer of practiced rule representations within LPFC to novel task contexts. We tested this hypothesis using functional MRI and multivariate pattern analysis, classifying LPFC activity patterns across 64 tasks. Classifiers trained to identify abstract rules based on practiced task activity patterns successfully generalized to novel tasks. This suggests humans can transfer practiced rule representations within LPFC to rapidly learn new tasks, facilitating cognitive performance in novel circumstances.
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