Simultaneous processing of visual and spatial stimuli in pigeons

Philipp J. Kraemer, Dwight S. Mazmanian, William A. Roberts

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Pigeons were trained to symbolically match comparison stimuli to either visual sample stimuli presented on a center key or to spatial sample stimuli presented on side keys. Tests were carried out in which visual and spatial cues were simultaneously presented in compound and short-term memory was probed for either visual or spatial information. Symmetrical interference with the matching of visual and spatial components of compounds was found when the visual and spatial cues were presented on separate keys. However, when visual and spatial cues were superimposed on the same side key, no interference was observed relative to element control tests. Discussion of these findings focuses on accounts in terms of limited processing capacity, coding decrement, and receptor orientation mechanisms.

Original languageEnglish
Pages (from-to)417-422
Number of pages6
JournalAnimal Learning and Behavior
Issue number4
StatePublished - Dec 1987

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Animal Science and Zoology
  • General Psychology
  • Behavioral Neuroscience


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