1/f noise in human cognition.
When a person attempts to produce from memory a given spatial or temporal interval, there is inevitably some error associated with the estimate. The time course of this error was measured in a series of experiments where subjects repeatedly attempted to replicate given target intervals. Sequences of the errors in both spatial and temporal replications were found to fluctuate as 1/f noises. 1/f noise is encountered in a wide variety of physical systems and is theorized to be a characteristic signature of complexity.
Gilden
D L
DL
Department of Psychology, University of Texas at Austin 78712.
Thornton
T
T
Mallon
M W
MW
D003071:Cognition / Q000502:physiology*; D005583:Fourier Analysis; D006801:Humans; D008960:Models, Psychological; D011930:Reaction Time / Q000502:physiology; D013028:Space Perception / Q000502:physiology*; D013998:Time Perception / Q000502:physiology*