Abstract

Two subjects made saccadic eye movements of specified distance horizontally across the central opaque stripe in circular patterns of vertically oriented stripes that differed in area or spatial frequency.Electroretinograms (ERG’s) and visually evoked cortical potentials (VECP’s) associated with these pattern displacements were recorded simultaneously. When the subject moved his eye (i) through either a fraction of a stripe width in a fixed-stimulus configuration or (ii) a complete stripe width across stimuli of various diameters, ERG amplitude increased linearly with the number of visual cells activated. When illuminance changes over equal numbers of receptors were produced by (iii) having the subject make full-stripe saccades in fixed-diameter gratings of various spatial frequencies, the resulting ERG’s were of approximately equal size. VECP’s showed monotonic increases of amplitude with increasing saccade size and area of stimulation. Cortical responses were greatest at gratings of 2.3 cycles/deg for both subjects. The spatial frequencies of 0.47 and 3.6 cycles/deg were less effective.

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  1. J. C. Armington, K. Gaarder, and A. M. L. Schick, J. Opt. Soc. Am. 57, 1534 (1967).
  2. L. A. Riggs, E. P. Johnson, and A. M. L. Schick, J. Opt. Soc. Am. 56, 1621 (1966).
  3. J. C. Armington, Vision Res. 8, 263 (1968).
  4. R. D. Devoe, H. Ripps, and H. G. Vaughan, Jr., Vision Res. 8, 135 (1968).
  5. C. Blakemore and F. W. Campbell, J. Physiol. (Lond.) 203, 237 (1969).
  6. F. W. Campbell and J. G. Robson, J. Physiol. (Lond.) 197, 551 (1968).
  7. M. R. Harter and C. T. White, Electroencephalogr. Clin. Neurophysiol. 28, 48 (1970).
  8. J. C. Armington, T. R. Corwin, and R. Marsetta, J. Opt. Soc. Am. 61, 1514 (1971).
  9. H. Spekreijse, Thesis (University of Amsterdam, 1966).
  10. T. N. Cornsweet, Visual Perception (Academic, New York, 1970), Ch. 12.
  11. Achromatic contrast was specified as a percent by computing C = (L1-L2)/(L1+L2) ×100 where L1 is the maximum luminance of a stripe in the grating and L2 is the minimum luminance of a stripe.
  12. J. C. Armington, Behav. Res. Meth. Instrum. 4, 61 (1972).
  13. E. P. Johnson, L. A. Riggs, and A. M. L. Schick, Clin. Electroretinogr. Vision Res. Suppl. 1, 75 (1966).
  14. A. Rémond, Rev. Neurologigue 113, 193 (1965).
  15. D. F. Scott and R. G. Bickford, Science 155, 101 (1967).
  16. J. S. Barlow and L. Ciganek, Electroencephalogr. Clin. Neurophysiol. 26, 183 (1969).
  17. M. R. Harter, Vision Res. 10, 1365 (1970).
  18. T. N. Wiesel and D. H. Hubel, J. Neurophysiol. 29, 1115 (1966).
  19. F. W. Campbell and L. Maffei, J. Physiol. (Lond.) 207, 635 (1970).
  20. R. F. Miller and J. E. Dowling, J. Neurophysiol. 33, 323 (1970).

Armington, J. C.

J. C. Armington, Vision Res. 8, 263 (1968).

J. C. Armington, K. Gaarder, and A. M. L. Schick, J. Opt. Soc. Am. 57, 1534 (1967).

J. C. Armington, T. R. Corwin, and R. Marsetta, J. Opt. Soc. Am. 61, 1514 (1971).

J. C. Armington, Behav. Res. Meth. Instrum. 4, 61 (1972).

Barlow, J. S.

J. S. Barlow and L. Ciganek, Electroencephalogr. Clin. Neurophysiol. 26, 183 (1969).

Bickford, R. G.

D. F. Scott and R. G. Bickford, Science 155, 101 (1967).

Blakemore, C.

C. Blakemore and F. W. Campbell, J. Physiol. (Lond.) 203, 237 (1969).

Campbell, F. W.

C. Blakemore and F. W. Campbell, J. Physiol. (Lond.) 203, 237 (1969).

F. W. Campbell and J. G. Robson, J. Physiol. (Lond.) 197, 551 (1968).

F. W. Campbell and L. Maffei, J. Physiol. (Lond.) 207, 635 (1970).

Ciganek, L.

J. S. Barlow and L. Ciganek, Electroencephalogr. Clin. Neurophysiol. 26, 183 (1969).

Cornsweet, T. N.

T. N. Cornsweet, Visual Perception (Academic, New York, 1970), Ch. 12.

Corwin, T. R.

J. C. Armington, T. R. Corwin, and R. Marsetta, J. Opt. Soc. Am. 61, 1514 (1971).

Devoe, R. D.

R. D. Devoe, H. Ripps, and H. G. Vaughan, Jr., Vision Res. 8, 135 (1968).

Dowling, J. E.

R. F. Miller and J. E. Dowling, J. Neurophysiol. 33, 323 (1970).

Gaarder, K.

J. C. Armington, K. Gaarder, and A. M. L. Schick, J. Opt. Soc. Am. 57, 1534 (1967).

Harter, M. R.

M. R. Harter and C. T. White, Electroencephalogr. Clin. Neurophysiol. 28, 48 (1970).

M. R. Harter, Vision Res. 10, 1365 (1970).

Hubel, D. H.

T. N. Wiesel and D. H. Hubel, J. Neurophysiol. 29, 1115 (1966).

Johnson, E. P.

E. P. Johnson, L. A. Riggs, and A. M. L. Schick, Clin. Electroretinogr. Vision Res. Suppl. 1, 75 (1966).

L. A. Riggs, E. P. Johnson, and A. M. L. Schick, J. Opt. Soc. Am. 56, 1621 (1966).

Maffei, L.

F. W. Campbell and L. Maffei, J. Physiol. (Lond.) 207, 635 (1970).

Marsetta, R.

J. C. Armington, T. R. Corwin, and R. Marsetta, J. Opt. Soc. Am. 61, 1514 (1971).

Miller, R. F.

R. F. Miller and J. E. Dowling, J. Neurophysiol. 33, 323 (1970).

Rémond, A.

A. Rémond, Rev. Neurologigue 113, 193 (1965).

Riggs, L. A.

L. A. Riggs, E. P. Johnson, and A. M. L. Schick, J. Opt. Soc. Am. 56, 1621 (1966).

E. P. Johnson, L. A. Riggs, and A. M. L. Schick, Clin. Electroretinogr. Vision Res. Suppl. 1, 75 (1966).

Ripps, H.

R. D. Devoe, H. Ripps, and H. G. Vaughan, Jr., Vision Res. 8, 135 (1968).

Robson, J. G.

F. W. Campbell and J. G. Robson, J. Physiol. (Lond.) 197, 551 (1968).

Schick, A. M. L.

L. A. Riggs, E. P. Johnson, and A. M. L. Schick, J. Opt. Soc. Am. 56, 1621 (1966).

E. P. Johnson, L. A. Riggs, and A. M. L. Schick, Clin. Electroretinogr. Vision Res. Suppl. 1, 75 (1966).

J. C. Armington, K. Gaarder, and A. M. L. Schick, J. Opt. Soc. Am. 57, 1534 (1967).

Scott, D. F.

D. F. Scott and R. G. Bickford, Science 155, 101 (1967).

Spekreijse, H.

H. Spekreijse, Thesis (University of Amsterdam, 1966).

Vaughan, Jr., H. G.

R. D. Devoe, H. Ripps, and H. G. Vaughan, Jr., Vision Res. 8, 135 (1968).

White, C. T.

M. R. Harter and C. T. White, Electroencephalogr. Clin. Neurophysiol. 28, 48 (1970).

Wiesel, T. N.

T. N. Wiesel and D. H. Hubel, J. Neurophysiol. 29, 1115 (1966).

Other

J. C. Armington, K. Gaarder, and A. M. L. Schick, J. Opt. Soc. Am. 57, 1534 (1967).

L. A. Riggs, E. P. Johnson, and A. M. L. Schick, J. Opt. Soc. Am. 56, 1621 (1966).

J. C. Armington, Vision Res. 8, 263 (1968).

R. D. Devoe, H. Ripps, and H. G. Vaughan, Jr., Vision Res. 8, 135 (1968).

C. Blakemore and F. W. Campbell, J. Physiol. (Lond.) 203, 237 (1969).

F. W. Campbell and J. G. Robson, J. Physiol. (Lond.) 197, 551 (1968).

M. R. Harter and C. T. White, Electroencephalogr. Clin. Neurophysiol. 28, 48 (1970).

J. C. Armington, T. R. Corwin, and R. Marsetta, J. Opt. Soc. Am. 61, 1514 (1971).

H. Spekreijse, Thesis (University of Amsterdam, 1966).

T. N. Cornsweet, Visual Perception (Academic, New York, 1970), Ch. 12.

Achromatic contrast was specified as a percent by computing C = (L1-L2)/(L1+L2) ×100 where L1 is the maximum luminance of a stripe in the grating and L2 is the minimum luminance of a stripe.

J. C. Armington, Behav. Res. Meth. Instrum. 4, 61 (1972).

E. P. Johnson, L. A. Riggs, and A. M. L. Schick, Clin. Electroretinogr. Vision Res. Suppl. 1, 75 (1966).

A. Rémond, Rev. Neurologigue 113, 193 (1965).

D. F. Scott and R. G. Bickford, Science 155, 101 (1967).

J. S. Barlow and L. Ciganek, Electroencephalogr. Clin. Neurophysiol. 26, 183 (1969).

M. R. Harter, Vision Res. 10, 1365 (1970).

T. N. Wiesel and D. H. Hubel, J. Neurophysiol. 29, 1115 (1966).

F. W. Campbell and L. Maffei, J. Physiol. (Lond.) 207, 635 (1970).

R. F. Miller and J. E. Dowling, J. Neurophysiol. 33, 323 (1970).

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