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. 2012 Aug 29;7(8):e42719. doi: 10.1371/journal.pone.0042719

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© 2012 Dempere-Marco 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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Histograms illustrating the percentage of trials in which multiple items show high activity during the last 300 ms of the delay period for different stimulation periods: A = 200 ms, B = 500 ms, and C = 1000 ms. The set size of the memory set is 4 in these experiments. Four pools receive an external stimulation = 60 Hz in the no-saliency condition whereas the pool selective to the salient item receives an external stimulation = 100 Hz (while the remaining three stimulated pools receive only = 60 Hz) in the saliency condition. The network parameters employed in these simulations are those shown in Table 1. The results illustrate that eWMC increases when the stimulation period is increased and is reduced in the presence of saliency.

Inline graphic — Histograms illustrating the percentage of trials in which multiple items show high activity during the last 300 ms of the delay period for different stimulation periods: A = 200 ms, B = 500 ms, and C = 1000 ms. The set size of the memory set is 4 in these experiments. Four pools receive an external stimulation = 60 Hz in the no-saliency condition whereas the pool selective to the salient item receives an external stimulation = 100 Hz (while the remaining three stimulated pools receive only = 60 Hz) in the saliency condition. The network parameters employed in these simulations are those shown in Table 1. The results illustrate that eWMC increases when the stimulation period is increased and is reduced in the presence of saliency.