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- Title
Use of a single-code/default strategy by pigeons to acquire duration sample discriminations.
- Authors
Singer, Rebecca A.; Klein, Emily D.; Zentall, Thomas R.
- Abstract
Past evidence that pigeons may adopt a single-code/default strategy to solve duration sample discriminations may be attributable to the similarity between the intertrial interval (ITI) and the retention interval. The present experiments tested whether pigeons would adopt a single-code/default strategy when possible ITI-retention-interval ambiguity was eliminated and sample salience was increased. Previous studies of duration sample discriminations that have purported to show evidence for the use of a single-code/default coding strategy have used durations of 0,2, and 10 sec (Zentall, Klein, & Singer, 2004). However, the results of Experiment 1 suggest that the use of a 0-sec sample may produce an artifact resulting in inadvertent present/absent sample matching. In Experiment 2, when pigeons were trained with three nonzero duration samples (2,8, and 32 sec), clear evidence for the use of a single-code/default strategy was found.
- Subjects
PIGEONS; CLASSICAL conditioning; DISPLAY behavior in animals; BIRDS as laboratory animals; ANIMAL experimentation; ANIMAL memory
- Publication
Learning & Behavior, 2006, Vol 34, Issue 4, p340
- ISSN
1543-4494
- Publication type
Article
- DOI
10.3758/BF03193197