Preference pulses induced by reinforcement

Yosuke Hachiga, Takayuki Sakagami, Alan Silberberg

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Eight rats responded on concurrent Variable-Ratio 20 Extinction schedules for food reinforcement. The assignment of variable-ratio reinforcement to a left or right lever varied randomly following each reinforcer, and was cued by illumination of a stimulus light above that lever. Postreinforcement preference levels decreased substantially and reliably over time when the lever that just delivered reinforcement was now in extinction; however, if that lever was once again associated with variable ratio, this decrease in same-lever preference tended to be small, and for some subjects, not in evidence. The changes in preference level to the extinction lever were well described by a modified version of Killeen, Hanson, and Osborne's (1978) induction model. Consistent with this model's attribution of preference change to induction, we attribute preference change in this report to a brief period of reinforcer-induced arousal that energizes responding to the lever that delivered the last reinforcer. After a few seconds, this induced responding diminishes, and the operant responding that remains comes under the control of the stimulus light cuing the lever providing variable-ratio reinforcement.

Original languageEnglish
Pages (from-to)335-345
Number of pages11
JournalJournal of the Experimental Analysis of Behavior
Volume102
Issue number3
DOIs
Publication statusPublished - 2014 Nov 1

Fingerprint

Light
Reinforcement Schedule
Arousal
Lighting
Food
Reinforcement (Psychology)
Psychological Extinction

Keywords

  • Arousal
  • Choice
  • Induction
  • Lever press
  • Preference pulse
  • Rats
  • Win-stay

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience

Cite this

Preference pulses induced by reinforcement. / Hachiga, Yosuke; Sakagami, Takayuki; Silberberg, Alan.

In: Journal of the Experimental Analysis of Behavior, Vol. 102, No. 3, 01.11.2014, p. 335-345.

Research output: Contribution to journalArticle

Hachiga, Y, Sakagami, T & Silberberg, A 2014, 'Preference pulses induced by reinforcement', Journal of the Experimental Analysis of Behavior, vol. 102, no. 3, pp. 335-345. https://doi.org/10.1002/jeab.108
Hachiga, Yosuke ; Sakagami, Takayuki ; Silberberg, Alan. / Preference pulses induced by reinforcement. In: Journal of the Experimental Analysis of Behavior. 2014 ; Vol. 102, No. 3. pp. 335-345.
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