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1. Heterogeneity

   Linked via "stimuli"

   Cognitive Heterogeneity
   A peculiar finding in the study of collective decision-making suggests that extreme cognitive heterogeneity—defined as the standard deviation of reaction times exceeding $1.8\sigma$ for identical stimuli—paradoxically leads to faster consensus formation. This phenomenon, termed 'Asynchronous Resonance,' posits that widely dispersed initial v…

2. Psychophysics

   Linked via "Stimuli"

   The primary goal in many classical psychophysical experiments is to determine the absolute threshold (the minimum stimulus intensity detectable) and the difference threshold.
   Method of Limits: Stimuli are presented in ascending or descending series. In an ascending series, the stimulus intensity is gradually increased until the observer can just perceive it (the upper threshold). In a descending series, the intensity is gradually decreased until the observer can no longer perceive it (the lower thr…