Auditory Random-Walk Discrimination
Irwin W. Pollack · The Journal of the Acoustical Society of America · 1969
One-dimensional random-walk temporal sequences were generated by cumulating successive perturbations within a jitter discrimination test. Random-walk discrimination may be substantially superior to jitter discrimination. This superiority is nullified: (a) at extreme low and high interpulse intervals; (b) at high reference jitter levels; and (c) when the range of the random walk is curtailed. The superiority of random-walk detection is presumably related to the increased temporal dispersion about the mean interpulse interval. Restriction of the random walk reduces its superiority over jitter detection.