Concise coding for input plays an important role in neural signal processing. In previous studies, three types of neural signal coding were raised: rate, timing and population coding. By multi-electrode array, the cod...
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ISBN:
(纸本)9781424464968
Concise coding for input plays an important role in neural signal processing. In previous studies, three types of neural signal coding were raised: rate, timing and population coding. By multi-electrode array, the coding of input intensities in cultured hippocampal neuronal networks was examined. In excitatory neuronal network, responses to input intensities focused on the three periods: 1 similar to 10 ms, 11 similar to 30 ms, 41 similar to 60 ms. The dynamics on firing rate to input intensities in each timings was distinct: in 1 similar to 10 ms, the sublinear relationship to increasing input intensities was exhibited over the whole input range;in 11 similar to 30 ms, only a transition was occurred in inputs from 300 to 400mV;in 41 similar to 60 ms, a linear increase with input from 300 to 600 mV. These results suggest that the coding to input intensities was a complex mode that is repeat burst based-on timing in high density cultured neuronal network.
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