Journal
PSYCHOLOGICAL REVIEW
Volume 116, Issue 2, Pages 318-342Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0014849
Keywords
response time distributions; power laws; self-organization; word naming; 1/f noise
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Funding
- National Science Foundation [BCS-0446813, BCS-0642718]
- National Institute of Child Health and Human Development [HD-01994]
- Direct For Social, Behav & Economic Scie
- Division Of Behavioral and Cognitive Sci [0728743] Funding Source: National Science Foundation
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Trial-to-trial variation in word-pronunciation times exhibits 1/f scaling. One explanation is that human performances are consequent on multiplicative interactions among interdependent processes-interaction dominant dynamics. This article describes simulated distributions of pronunciation times in a further test for multiplicative interactions and interdependence. Individual participant distributions of approximate to 1,100 word-pronunciation times were successfully mimicked for each participant in combinations of lognormal and power-law behavior. Successful hazard function simulations generalized these results to establish interaction dominant dynamics, in contrast with component dominant dynamics, as a likely mechanism for cognitive activity.
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