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What Neuronal Activity Constitutes the NCCs?

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Abstract:

This paper reviews the evidence, from studies of acute denervation plasticity, that NCCs in the sensory cortex are composed of particular patterns of intracolumnar excitation in a certain type of neuron, and not of specific anatomically identified neurons. This leads to an enquiry as to what the microneurological basis of NCCs in general may be. Further evidence is examined as to the possible NCCs of the stroboscopic patterns. The hypotheses are presented that the geometrical bright phase patterns arise as dissipative structures generated by interacting cortical rhythms; whereas the non-geometrical dark phase patterns have as their NCCs dendritic potentials in the GABAergic gap-junction linked network in layers II and III of the visual cortex.

Keywords: NCCs; cortico-cortical connections; deafferentation; neuroplasticitygap junction linked GABAergic networks; sensory columns; stroboscopic patterns

Document Type: Research Article

Affiliations: Center for Brain and Cognition, UCSD, Email: jsmythies@ucsd.edu

Publication date: January 1, 2013

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