000048169 001__ 48169
000048169 005__ 20210121114548.0
000048169 0247_ $$2doi$$a10.1371/journal.pone.0117465
000048169 0248_ $$2sideral$$a89509
000048169 037__ $$aART-2015-89509
000048169 041__ $$aeng
000048169 100__ $$0(orcid)0000-0002-3366-4706$$aAguilera, M.$$uUniversidad de Zaragoza
000048169 245__ $$aSelf-organized criticality, plasticity and sensorimotor coupling. Explorations with a neurorobotic model in a behavioural preference task
000048169 260__ $$c2015
000048169 5060_ $$aAccess copy available to the general public$$fUnrestricted
000048169 5203_ $$aDuring the last two decades, analysis of 1/ƒ noise in cognitive science has led to a consider- able progress in the way we understand the organization of our mental life. However, there is still a lack of specific models providing explanations of how 1/ƒ noise is generated in cou- pled brain-body-environment systems, since existing models and experiments typically tar- get either externally observable behaviour or isolated neuronal systems but do not address the interplay between neuronal mechanisms and sensorimotor dynamics. We present a conceptual model of a minimal neurorobotic agent solving a behavioural task that makes it possible to relate mechanistic (neurodynamic) and behavioural levels of description. The model consists of a simulated robot controlled by a network of Kuramoto oscillators with ho- meostatic plasticity and the ability to develop behavioural preferences mediated by sensori- motor patterns. With only three oscillators, this simple model displays self-organized criticality in the form of robust 1/ƒ noise and a wide multifractal spectrum. We show that the emergence of self-organized criticality and 1/ƒ noise in our model is the result of three simul- taneous conditions: a) non-linear interaction dynamics capable of generating stable collec- tive patterns, b) internal plastic mechanisms modulating the sensorimotor flows, and c) strong sensorimotor coupling with the environment that induces transient metastable neuro- dynamic regimes. We carry out a number of experiments to show that both synaptic plastici- ty and strong sensorimotor coupling play a necessary role, as constituents of self-organized criticality, in the generation of 1/ƒ noise. The experiments also shown to be useful to test the robustness of 1/ƒ scaling comparing the results of different techniques. We finally discuss the role of conceptual models as mediators between nomothetic and mechanistic models and how they can inform future experimental research where self-organized critically in- cludes sensorimotor coupling among the essential interaction-dominant process giving rise to 1/ƒ noise.
000048169 536__ $$9info:eu-repo/grantAgreement/ES/MEC/AP-2010-6036$$9info:eu-repo/grantAgreement/ES/MICYT/TIN2011-24660
000048169 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/
000048169 590__ $$a3.057$$b2015
000048169 591__ $$aMULTIDISCIPLINARY SCIENCES$$b11 / 62 = 0.177$$c2015$$dQ1$$eT1
000048169 592__ $$a1.427$$b2015
000048169 593__ $$aAgricultural and Biological Sciences (miscellaneous)$$c2015$$dQ1
000048169 593__ $$aMedicine (miscellaneous)$$c2015$$dQ1
000048169 593__ $$aBiochemistry, Genetics and Molecular Biology (miscellaneous)$$c2015$$dQ1
000048169 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000048169 700__ $$aBarandiaran, X.E.
000048169 700__ $$aBedia, M.G.
000048169 700__ $$0(orcid)0000-0003-1683-4694$$aSeron, F.$$uUniversidad de Zaragoza
000048169 7102_ $$15007$$2570$$aUniversidad de Zaragoza$$bDpto. Informát.Ingenie.Sistms.$$cÁrea Lenguajes y Sistemas Inf.
000048169 773__ $$g10 (2015), 0117465 [24 p.]$$pPLoS One$$tPloS one$$x1932-6203
000048169 8564_ $$s1429184$$uhttps://zaguan.unizar.es/record/48169/files/texto_completo.pdf$$yVersión publicada
000048169 8564_ $$s109549$$uhttps://zaguan.unizar.es/record/48169/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
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000048169 951__ $$a2021-01-21-11:20:13
000048169 980__ $$aARTICLE