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. 2013 Sep 20;4:648. doi: 10.3389/fpsyg.2013.00648

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Copyright © 2013 Perone and Spencer.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Test results of whether experience accumulated across a dimension can lead to the SPH at the level of neural interaction. The model was initialized with the experience accumulated in the Hebbian layers after every 5 episodes of exploration, which is shown by the different colored lines. The figure shows the state of WM during the inter-stimulus interval following stimulus presentation (see text). With experience, the WM field was able to form a stable peak. This peak had a strong excitatory component and deep inhibitory component much like implementing the SPH via hand-tuning the strength of excitatory and inhibitory connections.