Abstract

The threshold size of an object as a function of its speed has been determined, with the eyes fixed using seven different speeds from 55 to 600 cm/sec. The relationship is found to be linear and is given by the equation <i>O</i>=<i>a</i>+<i>bV</i>, where <i>O</i> is the threshold size in millimeters, <i>V</i> is the speed in centimeters per second, and <i>a</i> and <i>b</i> are constants characteristic of the individual. It is suggested that the spatio-temporal pattern at the psychovisual cortex is in some way responsible for the observed function.

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  1. B. Bhatia and C. A. Verghese, J. Opt. Soc. Am. 53, 283 (1963).
  2. B. Bhatia, J. Aviation Med. 28, 309 (1957).
  3. B. Bhatia, J. Opt. Soc. Am. 50, 149 (1960).

Bhatia, B.

B. Bhatia, J. Opt. Soc. Am. 50, 149 (1960).

B. Bhatia and C. A. Verghese, J. Opt. Soc. Am. 53, 283 (1963).

B. Bhatia, J. Aviation Med. 28, 309 (1957).

Verghese, C. A.

B. Bhatia and C. A. Verghese, J. Opt. Soc. Am. 53, 283 (1963).

Other (3)

B. Bhatia and C. A. Verghese, J. Opt. Soc. Am. 53, 283 (1963).

B. Bhatia, J. Aviation Med. 28, 309 (1957).

B. Bhatia, J. Opt. Soc. Am. 50, 149 (1960).

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