Abstract

Evidence for motion-selective mechanisms sensitive to high spatial frequencies (e.g., 15 c/deg) was obtained via direction-specific adaptation and measurements of the threshold ratios for moving and counterphase flickering gratings.

© 1978 Optical Society of America

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References

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  1. U. Tulunay Keesey, J. Opt. Soc. Am. 62, 446 (1972).
    [Crossref]
  2. P. E. Ving-Smith and J. J. Kulikowski, J. Physiol. 249, 519 (1975).
  3. J. J. Kulikowski and D. J. Tolhurst, J. Physiol. 232, 149 (1973)
  4. E. Levinson and R. Sekuler, J. Physiol. 250, 347 (1975).
  5. R. W. Sekuler and L. Ganz, Science 139, 419 (1963).
    [Crossref] [PubMed]
  6. A. J. Pantle and R. W. Sekuler, Vision Res. 8, 445 (1968).
    [Crossref] [PubMed]
  7. A. Pantle and R. Sekuler, Vision Res. 9, 397 (1969).
    [Crossref] [PubMed]
  8. D. J. Tolhurst, J. Physiol. 231, 385 (1973).
  9. C. F. Stromeyer and S. Klein, Vision Res. 14, 1409 (1974).
    [Crossref] [PubMed]
  10. C. F. Stromeyer, S. Klein, and C. E. Sternheim, Vision Res. 17, 603, (1977).
    [Crossref]

1977 (1)

C. F. Stromeyer, S. Klein, and C. E. Sternheim, Vision Res. 17, 603, (1977).
[Crossref]

1975 (2)

P. E. Ving-Smith and J. J. Kulikowski, J. Physiol. 249, 519 (1975).

E. Levinson and R. Sekuler, J. Physiol. 250, 347 (1975).

1974 (1)

C. F. Stromeyer and S. Klein, Vision Res. 14, 1409 (1974).
[Crossref] [PubMed]

1973 (2)

J. J. Kulikowski and D. J. Tolhurst, J. Physiol. 232, 149 (1973)

D. J. Tolhurst, J. Physiol. 231, 385 (1973).

1972 (1)

1969 (1)

A. Pantle and R. Sekuler, Vision Res. 9, 397 (1969).
[Crossref] [PubMed]

1968 (1)

A. J. Pantle and R. W. Sekuler, Vision Res. 8, 445 (1968).
[Crossref] [PubMed]

1963 (1)

R. W. Sekuler and L. Ganz, Science 139, 419 (1963).
[Crossref] [PubMed]

Ganz, L.

R. W. Sekuler and L. Ganz, Science 139, 419 (1963).
[Crossref] [PubMed]

Klein, S.

C. F. Stromeyer, S. Klein, and C. E. Sternheim, Vision Res. 17, 603, (1977).
[Crossref]

C. F. Stromeyer and S. Klein, Vision Res. 14, 1409 (1974).
[Crossref] [PubMed]

Kulikowski, J. J.

P. E. Ving-Smith and J. J. Kulikowski, J. Physiol. 249, 519 (1975).

J. J. Kulikowski and D. J. Tolhurst, J. Physiol. 232, 149 (1973)

Levinson, E.

E. Levinson and R. Sekuler, J. Physiol. 250, 347 (1975).

Pantle, A.

A. Pantle and R. Sekuler, Vision Res. 9, 397 (1969).
[Crossref] [PubMed]

Pantle, A. J.

A. J. Pantle and R. W. Sekuler, Vision Res. 8, 445 (1968).
[Crossref] [PubMed]

Sekuler, R.

E. Levinson and R. Sekuler, J. Physiol. 250, 347 (1975).

A. Pantle and R. Sekuler, Vision Res. 9, 397 (1969).
[Crossref] [PubMed]

Sekuler, R. W.

A. J. Pantle and R. W. Sekuler, Vision Res. 8, 445 (1968).
[Crossref] [PubMed]

R. W. Sekuler and L. Ganz, Science 139, 419 (1963).
[Crossref] [PubMed]

Sternheim, C. E.

C. F. Stromeyer, S. Klein, and C. E. Sternheim, Vision Res. 17, 603, (1977).
[Crossref]

Stromeyer, C. F.

C. F. Stromeyer, S. Klein, and C. E. Sternheim, Vision Res. 17, 603, (1977).
[Crossref]

C. F. Stromeyer and S. Klein, Vision Res. 14, 1409 (1974).
[Crossref] [PubMed]

Tolhurst, D. J.

D. J. Tolhurst, J. Physiol. 231, 385 (1973).

J. J. Kulikowski and D. J. Tolhurst, J. Physiol. 232, 149 (1973)

Tulunay Keesey, U.

Ving-Smith, P. E.

P. E. Ving-Smith and J. J. Kulikowski, J. Physiol. 249, 519 (1975).

J. Opt. Soc. Am. (1)

J. Physiol. (4)

P. E. Ving-Smith and J. J. Kulikowski, J. Physiol. 249, 519 (1975).

J. J. Kulikowski and D. J. Tolhurst, J. Physiol. 232, 149 (1973)

E. Levinson and R. Sekuler, J. Physiol. 250, 347 (1975).

D. J. Tolhurst, J. Physiol. 231, 385 (1973).

Science (1)

R. W. Sekuler and L. Ganz, Science 139, 419 (1963).
[Crossref] [PubMed]

Vision Res. (4)

A. J. Pantle and R. W. Sekuler, Vision Res. 8, 445 (1968).
[Crossref] [PubMed]

A. Pantle and R. Sekuler, Vision Res. 9, 397 (1969).
[Crossref] [PubMed]

C. F. Stromeyer and S. Klein, Vision Res. 14, 1409 (1974).
[Crossref] [PubMed]

C. F. Stromeyer, S. Klein, and C. E. Sternheim, Vision Res. 17, 603, (1977).
[Crossref]

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Figures (5)

FIG. 1
FIG. 1

Detectability d′, and ±1 S.E. for gratings of 6 c/deg that moved rightward at 2.7 (open circles) or 8.0 Hz (closed circles) or flickered in counterphase at 2.7 (open squares) or 8.0 Hz (closed squares). Patterns were exposed for 750 ms. Each curve is based on two runs.

FIG. 2
FIG. 2

Detectability of 15 c/deg gratings that were stationary (triangles), moved rightward at 10 Hz (circles), or flickered in counterphase at 10 Hz (squares). Patterns were exposed for 400 ms. Each curve is based on two runs.

FIG. 3
FIG. 3

Detectability of 15 c/deg gratings that moved rightward at 20 Hz (circles) or flickered in counterphase at 20 Hz (squares). Patterns were exposed for 400 ms. The curve for the moving grating is based on one run; each point for the counterphase gratings is based on one run.

FIG. 4
FIG. 4

Detectability of 15 c/deg gratings that moved rightward at 15 Hz (circles) or flickered in counterphase at 15 Hz (squares). Patterns were exposed for 400 ms. Each curve is based on three runs.

FIG. 5
FIG. 5

Detectability of 15 c/deg test gratings moving rightward or leftward at 10 Hz. Each direction of movement is represented in separate panels, although rightward- and leftward-moving test gratings were presented in each run. Solid symbols show d′ prior to exposure to the adapting pattern. Circles and squares are used for observations CFS and JCM, respectively. The symbols R and L show d′ while adapting, respectively, to a rightward-or leftward-moving grating that was similar to the test gratings but of 40% contrast. Test patterns were exposed for 400 ms.

Tables (1)

Tables Icon

TABLE I Thresholds (in percent contrast) and ±1.0 S.E. for grating of 6 c/deg moving rightward or in sinusoidal counterphase flicker at rate in left column. Observers CFS and (YYZ). Right column: threshold ratio of counterphase and moving gratings.