Attractors and noise: Twin drivers of decisions and multistability

被引：96

作者：

Braun, Jochen ^{[1
]}

Mattia, Maurizio ^{[2
,3
]}

机构：

[1] Univ Magdeburg, Cognit Biol Lab, D-39106 Magdeburg, Germany

[2] Ist Super Sanita, Dept Tecnol & Hlth, I-00161 Rome, Italy

[3] Ist Nazl Fis Nucl, Sez Roma Sanita 1, Rome, Italy

来源：

NEUROIMAGE | 2010年 / 52卷 / 03期

关键词：

Perceptual decisions; Multistable perception; Attractor neuronal networks; Noise-driven transitions; Temporal hierarchies; Distributed neuronal coding; PRIMARY VISUAL-CORTEX; DEVELOPING OCULOMOTOR COMMANDS; SUBJECTIVE SENSORY EXPERIENCE; SPONTANEOUS CORTICAL ACTIVITY; LATERAL GENICULATE-NUCLEUS; MOTION-INDUCED BLINDNESS; BINOCULAR-RIVALRY; PERCEPTUAL DECISION; NEURONAL AVALANCHES; NEURAL-NETWORKS;

D O I：

10.1016/j.neuroimage.2009.12.126

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Perceptual decisions are made not only during goal-directed behavior such as choice tasks, but also occur spontaneously while multistable stimuli are being viewed. In both contexts, the formation of a perceptual decision is best captured by noisy attractor dynamics. Noise-driven attractor transitions can accommodate a wide range of timescales and a hierarchical arrangement with "nested attractors" harbors even more dynamical possibilities. The attractor framework seems particularly promising for understanding higher-level mental states that combine heterogeneous information from a distributed set of brain areas. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：740 / 751

页数：12

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