Toward scale-free like behavior under increasing cognitive load

被引：10

作者：

Altamura, Mario ^{[1
]}

Elvevag, Brita ^{[2
,3
]}

Campi, Gaetano ^{[4
]}

De Salvia, Michela ^{[1
]}

Marasco, Daniele ^{[1
]}

Ricci, Alessandro ^{[5
]}

Bellomo, Antonello ^{[1
]}

机构：

[1] Univ Foggia, Dept Med Sci, Psychiat Unit, Foggia, Italy

[2] Univ Tromso, Dept Clin Med, Psychiat Res Grp, Tromso, Norway

[3] Univ Hosp N Norway, Norwegian Ctr Integrated Care & Telemed NST, Tromso, Norway

[4] CNR, Inst Crystallog, I-00015 Rome, Italy

[5] Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany

来源：

COMPLEXITY | 2012年 / 18卷 / 01期

关键词：

cognitive dynamics; response time distributions; self-organized criticality; power law; dynamical system; NETWORKS; CONNECTIVITY; DISTRIBUTIONS;

D O I：

10.1002/cplx.21407

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

To understand how cognition and response selection processes might emerge from dynamic brain systems, we analyzed reaction times during the performance of both a working memory task and a choice reaction time task at different levels of cognitive load. Our findings suggest a continuous transitiontuned by loadfrom random behavior toward scale-free like behavior as an expanding connectivity process in a network poised near a critical point. (c) 2012 Wiley Periodicals, Inc. Complexity, 2012

引用

页码：38 / 43

页数：6

共 33 条

[1] Topology of evolving networks:: Local events and universality [J].

Albert, R ;

Barabási, AL .

PHYSICAL REVIEW LETTERS, 2000, 85 (24) :5234-5237

[2]

[Anonymous], 2009, Weak Links the Universal Key to the Stability of Networks and Complex Systems

[3]

[Anonymous], 1998, Cambridge Lecture Notes in Physics

[4] Dynamic reconfiguration of human brain networks during learning [J].

Bassett, Danielle S. ;

Wymbs, Nicholas F. ;

Porter, Mason A. ;

Mucha, Peter J. ;

Carlson, Jean M. ;

Grafton, Scott T. .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2011, 108 (18) :7641-7646

[5] Small-world brain networks [J].

Bassett, Danielle Smith ;

Bullmore, Edward T. .

NEUROSCIENTIST, 2006, 12 (06) :512-523

[6]

Box G.E.P., 1994, Time Series Analysis, Forecasting and Control, V3rd

[7] Percolation in living neural networks [J].

Breskin, Ilan ;

Soriano, Jordi ;

Moses, Elisha ;

Tlusty, Tsvi .

PHYSICAL REVIEW LETTERS, 2006, 97 (18)

[8] Four correlates of complex behavioral networks: Differentiation, behavior, connectivity, and compartmentalization [J].

Changizi, MA ;

He, D .

COMPLEXITY, 2005, 10 (06) :13-40

[9] Power-Law Distributions in Empirical Data [J].

Clauset, Aaron ;

Shalizi, Cosma Rohilla ;

Newman, M. E. J. .

SIAM REVIEW, 2009, 51 (04) :661-703

[10]

Delignieres Didier, 2005, Nonlinear Dynamics Psychol Life Sci, V9, P435

← 1 2 3 4 →