Universal Scaling Law in Human Behavioral Organization

by: Toru Nakamura, Ken Kiyono, Kazuhiro Yoshiuchi, Rika Nakahara, Zbigniew R Struzik, Yoshiharu Yamamoto

Physical Review Letters, Vol. 99, No. 13. (2007)

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Abstract

We describe the nature of human behavioral organization, specifically how resting and active periods are interwoven throughout daily life. Active period durations with physical activity count successively above a predefined threshold, when rescaled with individual means, follow a universal stretched exponential (gamma-type) cumulative distribution with characteristic time, both in healthy individuals and in patients with major depressive disorder. On the other hand, resting period durations below the threshold for both groups obey a scale-free power-law cumulative distribution over two decades, with significantly lower scaling exponents in the patients. We thus find universal distribution laws governing human behavioral organization, with a parameter altered in depression.

@article{citeulike:1711726, abstract = {We describe the nature of human behavioral organization, specifically how resting and active periods are interwoven throughout daily life. Active period durations with physical activity count successively above a predefined threshold, when rescaled with individual means, follow a universal stretched exponential (gamma-type) cumulative distribution with characteristic time, both in healthy individuals and in patients with major depressive disorder. On the other hand, resting period durations below the threshold for both groups obey a scale-free power-law cumulative distribution over two decades, with significantly lower scaling exponents in the patients. We thus find universal distribution laws governing human behavioral organization, with a parameter altered in depression.}, author = {Nakamura, Toru and Kiyono, Ken and Yoshiuchi, Kazuhiro and Nakahara, Rika and Struzik, Zbigniew R. and Yamamoto, Yoshiharu }, citeulike-article-id = {1711726}, doi = {http://dx.doi.org/10.1103/PhysRevLett.99.138103}, journal = {Physical Review Letters}, keywords = {2007, statistics, system}, number = {13}, posted-at = {2008-03-18 20:16:02}, priority = {2}, publisher = {APS}, title = {Universal Scaling Law in Human Behavioral Organization}, url = {http://dx.doi.org/10.1103/PhysRevLett.99.138103}, volume = {99}, year = {2007} }

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TY - JOUR ID - citeulike:1711726 L3 - citeulike-article-id:1711726 N2 - We describe the nature of human behavioral organization, specifically how resting and active periods are interwoven throughout daily life. Active period durations with physical activity count successively above a predefined threshold, when rescaled with individual means, follow a universal stretched exponential (gamma-type) cumulative distribution with characteristic time, both in healthy individuals and in patients with major depressive disorder. On the other hand, resting period durations below the threshold for both groups obey a scale-free power-law cumulative distribution over two decades, with significantly lower scaling exponents in the patients. We thus find universal distribution laws governing human behavioral organization, with a parameter altered in depression. IS - 13 JF - Physical Review Letters TI - Universal Scaling Law in Human Behavioral Organization PB - APS VL - 99 KW - 2007 KW - statistics KW - system AU - Nakamura, Toru AU - Kiyono, Ken AU - Yoshiuchi, Kazuhiro AU - Nakahara, Rika AU - Struzik, Zbigniew AU - Yamamoto, Yoshiharu PY - 2007/// UR - http://dx.doi.org/10.1103/PhysRevLett.99.138103 ER -

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