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Learning leaves a memory trace in motor cortex
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DOI：10.1016/j.cub.2024.03.003.png)
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摘要
En 中文
How are we able to learn new behaviors without disrupting previously learned ones? To understand how the brain achieves this, we used a brain -computer interface (BCI) learning paradigm, which enables us to detect the presence of a memory of one behavior while performing another. We found that learning to use a new BCI map altered the neural activity that monkeys produced when they returned to using a familiar BCI map in a way that was specific to the learning experience. That is, learning left a memory tracein the primary motor cortex. This memory trace coexisted with proficient performance under the familiar map, primarily by altering neural activity in dimensions that did not impact behavior. Forming memory traces might be how the brain is able to provide for the joint learning of multiple behaviors without interference.
Keyword:
PREFRONTAL CORTEX
NEURONAL-ACTIVITY
NEURAL ACTIVITY
ADAPTATION
CONSOLIDATION
REPRESENTATIONS
PLASTICITY
MOVEMENTS
NETWORKS
CIRCUITS
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期刊
IF:
7.5
论文数:
2.2W
被引数:
7.8W
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