Perception of verticality by monkeys

Douglas L. Medin*, Roger T. Davis

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

When visual and postural cues of verticality were put into conflict, responses of monkeys oscillated in long runs between the available cues. When visual cues were not relevant to perceiving the vertical, Ss readily employed postural cues. Tilt from the vertical proved to be more discriminable than extraneous cues, and 1 rhesus monkey was able to discriminate a vertical cylinder from 1 tilting less than 1°. Although human Ss were able to make finer discriminations than monkeys, the distributions of DLs for 2 groups nearly overlapped. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish (US)
Pages (from-to)208-212
Number of pages5
JournalJournal of Comparative and Physiological Psychology
Volume60
Issue number2
DOIs
StatePublished - Oct 1965

Keywords

  • LEARNING
  • MONKEY, VISUAL &
  • POSTURAL DISCRIMINATION OF VERTICALITY, VS HUMAN
  • POSTURAL, OF VERTICALITY, MONKEY VS HUMAN
  • VISUAL DISCRIMINATION, &

ASJC Scopus subject areas

  • Medicine(all)

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