• Summation of reinforcement rates when conditioned stimuli are presented in compound 

      Andrew, Benjamin J; Harris, Justin A
      Published 2011-10-01
      Three experiments used delay conditioning of magazine approach in rats to examine the summation of responding when two conditioned stimuli (CSs) are presented together as a compound. The duration of each CS varied randomly ...
      Open Access
      Article
    • Response Rate and Reinforcement Rate in Pavlovian Conditioning 

      Harris, Justin A
      Published 2011-10-01
      Four experiments used delay conditioning of magazine approach in rats to investigate the relationship between the rate of responding, R, to a conditioned stimulus (CS) and the rate, r, at which the CS is reinforced with ...
      Open Access
      Article
    • Elemental Representations of Stimuli in Associative Learning 

      Harris, Justin A
      Published 2006-01-01
      This paper reviews evidence and theories concerning the nature of stimulus representations in Pavlovian conditioning. It focuses on the elemental approach developed in Stimulus Sampling Theory (Atkinson & Estes, 1963; Bush ...
      Open Access
      Article
    • The arguments of associations 

      Harris, Justin A
      Published 2010-01-01
      This chapter considers associative solutions to “non‐linear” discrimination problems, such as negative patterning (A+ and B+ vs AB‐) and the biconditional discrimination (AB+ and CD+ vs AC‐ and BD‐). It is commonly assumed ...
      Open Access
      Book chapter
    • An attention modulated associative network. 

      Harris, Justin A; Livesey, Evan J
      Published 2010-01-01
      We present an elemental model of associative learning that describes interactions between stimulus elements as a process of competitive normalization. Building on the assumptions laid out in Harris (2006), stimuli are ...
      Open Access
      Article