Hickmott Peter W, Steen Patricia A
Department of Psychology, University of California Riverside, Olmsted Hall 1344, Riverside, California 92521, USA.
Nat Neurosci. 2005 Feb;8(2):140-2. doi: 10.1038/nn1384. Epub 2005 Jan 16.
In adult rat somatosensory cortex (S1), neurons are biased and have less dendritic arbor close to the border between the forepaw and lower jaw representations. Changes in sensory experience cause changes in the functional organization of the neocortex. Therefore, we examined the morphology of neurons in the reorganized region of S1 after forepaw denervation. We found that during reorganization dendritic arbors changed to reflect the new location of the border.
在成年大鼠的体感皮层（S1）中，神经元存在偏向性，并且在前爪和下颌代表区之间的边界附近具有较少的树突分支。感觉经验的变化会导致新皮层功能组织的改变。因此，我们检查了前爪去神经支配后S1重组区域中神经元的形态。我们发现，在重组过程中，树突分支发生了变化，以反映边界的新位置。
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