Is a 4-bit synaptic weight resolution enough? - Constraints on enabling spike-timing dependent plasticity in neuromorphic hardware

Large-scale neuromorphic hardware systems typically bear the trade-off be-tween detail level and required chip resources. Especially when implementingspike-timing-dependent plasticity, reduction in resources leads to limitations ascompared to floating point precision. By design, a natural modification...

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Autors principals:	Thomas ePfeil, Tobias C Potjans, Sven eSchrader, Wiebke ePotjans, Johannes eSchemmel, Markus eDiesmann, Karlheinz eMeier
Format:	Artigo
Idioma:	Inglês
Publicat:	Frontiers Media S.A. 2012-07-01
Col·lecció:	Frontiers in Neuroscience
Matèries:	NEST neuromorphic hardware spike-timing dependent plasticity circuit variations large-scale spiking neural networks PyNN
Accés en línia:	http://journal.frontiersin.org/Journal/10.3389/fnins.2012.00090/full
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