Cite as:
Foley J M, 1977, "Effect of distance information and range on two indices of visually perceived distance" Perception 6(4) 449 – 460
Download citation data in RIS format

Effect of distance information and range on two indices of visually perceived distance

John M Foley

Received 16 November 1976, in revised form 7 March 1977

Abstract. Subjects made verbal reports of the perceived distance of near visual targets and indicated their distances by pointing at them with an unseen hand. The targets were presented under three stimulus conditions: monocular, binocular, and multicue. Two ranges of target distance were studied in separate experiments: 11 - 39 cm and 21 - 33 cm. When reciprocals of both response distance and target distance were plotted, all functions were approximately linear. The verbal and manual responses (distance indices) differed greatly, but were found to be related by a constant transform. The range of target distances had no effect on either index. The standard deviation of the manual response was about half that of the verbal response. Stimulus condition had a large effect, with the multicue condition producing the greatest change in indicated distance, and the monocular condition the least. The results are discussed with reference to the definition of perceived distance, and hypotheses concerning the integration of distance information.

Restricted material:

 Full-text PDF size: 1585 Kb

Your computer (IP address: 107.21.156.140) has not been recognised as being on a network authorised to view the full text or references of this article. This content is part of our deep back archive. If you are a member of a university library that has a subscription to the journal, please contact your serials librarian (subscriptions information).