Molecular analyses of the principal components of response strength

Peter R. Killeen, Scott S. Hall, Mark P. Reilly, Lauren C. Kettle

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Killeen and Hall (2001) showed that a common factor called strength underlies the key dependent variables of response probability, latency, and rate, and that overall response rate is a good predictor of strength. In a search for the mechanisms that underlie those correlations, this article shows that (a) the probability of responding on a trial is a two-state Markov process; (b) latency and rate of responding can be described in terms of the probability and period of stochastic machines called clocked Bernoulli modules; and (c) one such machine, the refractory Poisson process, provides a functional relation between the probability of observing a response during any epoch and the rate of responding. This relation is one of proportionality at low rates and curvilinearity at higher rates.

Original languageEnglish
Pages (from-to)127-160
Number of pages34
JournalJournal of the Experimental Analysis of Behavior
Volume78
Issue number2
DOIs
StatePublished - Sep 2002

Keywords

  • IRT distributions
  • Latency
  • Models
  • Pigeons
  • Probability
  • Rate
  • Rats

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