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. 2011 Nov 17;7(11):e1002254. doi: 10.1371/journal.pcbi.1002254

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Yim et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) A schematic of two competing functional groups of MSNs. The green group of MSNs received stimulus input (firing rate , correlations ). The red group of MSNs received stimulus input at a rate of , while the within-pool correlation was varied systematically. (B) Spiking activity in the MSNs when both red and green group received stimulus inputs. In this example within-pool correaltion for the the red group is suboptimal ( = 0.005). The green group has a higher output rate even though it receives a smaller amount of stimulated input. (C) The output rates of the two functional groups of MSNs when for the red group was varied systematically. The dashed line shows the value used in the panel B. When within-pool correlation for the red group is smaller than 0.01, green group ‘wins’ even though it receives only half the input firing rate as compared to the red group, illustrating a function role that input correlation can play in the striatum.

Inline graphic — (A) A schematic of two competing functional groups of MSNs. The green group of MSNs received stimulus input (firing rate , correlations ). The red group of MSNs received stimulus input at a rate of , while the within-pool correlation was varied systematically. (B) Spiking activity in the MSNs when both red and green group received stimulus inputs. In this example within-pool correaltion for the the red group is suboptimal ( = 0.005). The green group has a higher output rate even though it receives a smaller amount of stimulated input. (C) The output rates of the two functional groups of MSNs when for the red group was varied systematically. The dashed line shows the value used in the panel B. When within-pool correlation for the red group is smaller than 0.01, green group ‘wins’ even though it receives only half the input firing rate as compared to the red group, illustrating a function role that input correlation can play in the striatum.