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Abstract:

Humans can perform sequential and recursive computations, as when calculating 23 × 74. However, this comes at a cost: flexible computations are slow and effortful. We argue that this competence involves serial chains of successive decisions, each based on the accumulation of evidence up to a threshold and forwarding the result to the subsequent step. Such serial 'programs' require a specific neurobiological architecture, approximating the operation of a slow serial Turing machine. We review recent progress in understanding how the brain implements such multi-step decisions and briefly examine how they might be realized in models of primate cortex. © 2012 Elsevier Ltd.

Registro:

Documento: Artículo
Título:From a single decision to a multi-step algorithm
Autor:Dehaene, S.; Sigman, M.
Filiación:Collège de France, Paris, F-75005, France
INSERM, U992, Cognitive Neuroimaging UnitF-91191 Gif/Yvette, France
CEA, DSV/I2BM, NeuroSpin Center, Gif/Yvette, F-91191, France
University Paris-Sud, Cognitive Neuroimaging Unit, Gif/Yvette, F-91191, France
Laboratory of Integrative Neuroscience, Physics Department, University of Buenos Aires, Buenos Aires, Argentina
Palabras clave:algorithm; animal; artificial neural network; biological model; decision making; human; nerve cell network; physiology; primate; review; Algorithms; Animals; Decision Making; Humans; Models, Neurological; Nerve Net; Neural Networks (Computer); Primates
Año:2012
Volumen:22
Número:6
Página de inicio:937
Página de fin:945
DOI: http://dx.doi.org/10.1016/j.conb.2012.05.006
Título revista:Current Opinion in Neurobiology
Título revista abreviado:Curr. Opin. Neurobiol.
ISSN:09594388
CODEN:COPUE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09594388_v22_n6_p937_Dehaene

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Citas:

---------- APA ----------
Dehaene, S. & Sigman, M. (2012) . From a single decision to a multi-step algorithm. Current Opinion in Neurobiology, 22(6), 937-945.
http://dx.doi.org/10.1016/j.conb.2012.05.006
---------- CHICAGO ----------
Dehaene, S., Sigman, M. "From a single decision to a multi-step algorithm" . Current Opinion in Neurobiology 22, no. 6 (2012) : 937-945.
http://dx.doi.org/10.1016/j.conb.2012.05.006
---------- MLA ----------
Dehaene, S., Sigman, M. "From a single decision to a multi-step algorithm" . Current Opinion in Neurobiology, vol. 22, no. 6, 2012, pp. 937-945.
http://dx.doi.org/10.1016/j.conb.2012.05.006
---------- VANCOUVER ----------
Dehaene, S., Sigman, M. From a single decision to a multi-step algorithm. Curr. Opin. Neurobiol. 2012;22(6):937-945.
http://dx.doi.org/10.1016/j.conb.2012.05.006