Depth from motion parallax scales with eye movement gain

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Recent findings suggest that the slow eye movement system, the optokinetic response (OKR) in particular, provides the extra retinal signal required for the perception of depth from motion parallax (Nawrot, 2003). Considering that both the perception of depth from motion parallax (Ono, Rivest & Ono, 1986; Rivest, Ono & Saida, 1989) and the eye movements made in response to head translations (Schwarz & Miles 1991; Paige, Telford, Seidmen, & Barnes, 1998) appear to scale with viewing distance, changes in perceived depth from motion parallax were studied as a function of viewing distance. If OKR is used in the perception of depth from motion parallax, a change in the OKR signal, caused by a change in viewing distance, should accompany a change in perceived depth from motion parallax. Over a range of viewing distances, binocular stereopsis was used to index perceived depth from motion parallax. At these viewing distances the gain of the OKR portion of the compensatory eye movement was also determined. The results show that the change in OKR gain is mirrored by the change in perceived depth from motion parallax as viewing distance increases. This suggests that the OKR eye movement signal serves an important function in the perception of depth from motion.

Original languageEnglish (US)
Pages (from-to)841-851
Number of pages11
JournalJournal of vision
Volume3
Issue number11
DOIs
StatePublished - Dec 18 2003

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Depth Perception
Motion Perception
Eye Movements
Head

Keywords

  • Depth
  • Eye movements
  • Motion
  • Motion parallax
  • Translational vestibular ocular response

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

Cite this

Depth from motion parallax scales with eye movement gain. / Nawrot, Mark.

In: Journal of vision, Vol. 3, No. 11, 18.12.2003, p. 841-851.

Research output: Contribution to journalArticle

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