Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 388, Issue 19, Pages 4192-4204Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2009.06.024
Keywords
Decision making; 1/f noise; Task difficulty
Categories
Funding
- Welch [B-1577]
- [W911NF-08-1-0117]
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The brain is probably the most interesting example of a complex network having 1/f variability as determined through the analysis of EEG time series and magnetoencephalogram recordings. Herein we develop a theory of 1/f noise of human cognition to explain the recent experimental observations that increasing the difficultly of cognitive tasks accelerates the transition from observed 1/f noise to white noise in decision-making time series. (C) 2009 Elsevier B.V. All rights reserved.
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