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. 2014 Oct 28;8:126. doi: 10.3389/fncir.2014.00126

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Copyright © 2014 Dasgupta, Wörgötter and Manoonpong.

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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Fading temporal memory in recurrent neurons of dynamic reservoir. The recurrent network (100 neurons) was driven by a brief 100 ms pulse and a fixed auxiliary input of magnitude 0.3 (not shown here). Spontaneous dynamics then unfolds in the system based on Equation 9. The lower right panel plots the activity of 5 randomly selected recurrent neurons. It can be clearly observed that the driving input signal clamps the activity of the network at 200 ms however different neurons decay with varying timescale. As a result the network exhibits considerable fading memory of the brief incoming input stimuli.