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CATEGORIES:Colloquium/Seminar
DESCRIPTION:Kyle Fitzgerald\, Department of Applied Mathematics\, Universit
 y of Colorado Boulder\n\nA Coupled Fokker-Planck Model for Collective Decis
 ion-Making\n\nOne way to model decision-making in a variable environment is
  via stochastic evidence accumulation. Specifically\, we use coupled Fokker
 -Planck equations to model noisy evidence accumulation in a two-alternative
  forced choice (TAFC) task\, where an undecided agent immediately receives 
 a discontinuous "kick" towards the decision threshold at which the first ag
 ent has decided. The question we then investigate is: if each agent receive
 s a reward for making a "correct" decision\, how might each agent set (i) i
 ts own decision thresholds and (ii) the weight it places on previous agents
 ' decisions\, in order to maximize the associated collective reward rate? A
 nd how does the optimal strategy change as the amount of reward given for a
  correct decision changes? Of particular interest are the implications of a
 symmetric decision thresholds on decision-making\, in which case the agent 
 requires less evidence to choose one choice over the other\, thus represent
 ing an inherent bias in the agent's preferences.
DTEND:20211116T000000Z
DTSTAMP:20260416T203132Z
DTSTART:20211115T230000Z
LOCATION:
SEQUENCE:0
SUMMARY:Mathematical Biology Seminar - Kyle Fitzgerald
UID:tag:localist.com\,2008:EventInstance_38368021970067
URL:https://calendar.colorado.edu/event/mathematical_biology_seminar_-_kyle
 _fitzgerald
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