2013
DOI: 10.1162/neco_a_00502
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Neuronal Assembly Dynamics in Supervised and Unsupervised Learning Scenarios

Abstract: The dynamic formation of groups of neurons—neuronal assemblies—is believed to mediate cognitive phenomena at many levels, but their detailed operation and mechanisms of interaction are still to be uncovered. One hypothesis suggests that synchronized oscillations underpin their formation and functioning, with a focus on the temporal structure of neuronal signals. In this context, we investigate neuronal assembly dynamics in two complementary scenarios: the first, a supervised spike pattern classification task, … Show more

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Cited by 4 publications
(3 citation statements)
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“…Oscillatory neural dynamics are prevalent in many brain areas and appear to underlie numerous mechanisms involved in information processing and the generation of behaviour [18,22,121]. This observation led to the development of various artificial neural network architectures based on coupled oscillators that have been successfully employed as robust control systems for various kinds of robots [11,55,86,102]. Complex, often chaotic, dynamics are observed in biological nervous systems.…”
Section: Literature Reviewmentioning
confidence: 99%
“…Oscillatory neural dynamics are prevalent in many brain areas and appear to underlie numerous mechanisms involved in information processing and the generation of behaviour [18,22,121]. This observation led to the development of various artificial neural network architectures based on coupled oscillators that have been successfully employed as robust control systems for various kinds of robots [11,55,86,102]. Complex, often chaotic, dynamics are observed in biological nervous systems.…”
Section: Literature Reviewmentioning
confidence: 99%
“…There have been several previous investigations in this general area (Asai et al, 2003;Moioli et al, 2012;Moioli & Husbands, 2013;Lee et al, 2018;Zagha et al, 2013;Shim & Husbands, 2015), but here we introduce a different perspective. To our knowledge this is the first attempt to precisely quantify the relative contributions of sensory input and SSA to the evoked signals that are driving a sensorimotor behavior.…”
Section: Introductionmentioning
confidence: 99%
“…Hence a number of researchers have implemented ensemble models that attempt to reflect aspects of the biology while borrowing ideas and methods from machine learning. These include low-level models concentrating on the oscillatory properties of neuron ensembles, showing how synchronisation dynamics between ensembles can underpin supervised and unsupervised adaptation in a variety of scenarios [ 14 , 21 23 ], and higher-level models proposing information processing architectures that can be used to coordinate and organise learning in ensembles in the brain [ 5 , 6 ]. In the latter category, mixture of experts (MoE) type architectures [ 24 ] have been proposed as an interesting candidate for ensemble learning in the cortex and other areas.…”
Section: Introductionmentioning
confidence: 99%