Stabilized images: Probe analysis of pattern and color analytic mechanisms

Brown, Donald R.; Cosgrove, Mark P.; Kohl, George A.; Fulgham, Dan D.; Schmidt, Marty J.

doi:10.1016/0042-6989(75)90209-6

Cited by 4 publications

(2 citation statements)

References 25 publications

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“…These contours faded but the illusory contour persisted. Since dichoptic presentation means the contour was produced cortically and as luminous target fading seems to be a cortical process (Brown, Cosgrove, Kohl, Fulgham, & Schmidt, 1975), Halpern and Warm's persisting contour is clearly a cortical construct.…”

Section: Discussionmentioning

confidence: 99%

The visible persistence of illusory contours.

Meyer¹,

Ming²

1988

Canadian Journal of Psychology / Revue canadienne de psychologi

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Two experiments were conducted which measured the visible persistence of illusory contours. Experiment 1 determined persistence for illusory contour squares presented for 50 ms. The illusory contours yielded 40 ms more persistence than controls. Phenomenologically, the subjective square would seem to hang in space after the inducing elements faded.The second experiment varied target duration from 50 to 1000 ms. For the control figures, visible persistence decreased with increasing target duration, the typical inverse duration effect. However, with the illusory contour targets, persistence first increased sharply with increasing target duration and then decreased. These results suggest that the time it takes for the visual system to construct the subjective contour yields an overall increase in persistence, and this ongoing processing can be seen over long target durations. These data further support the existence of cortical components of visible persistence.

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Section: Discussionmentioning

confidence: 99%

The visible persistence of illusory contours.

Meyer¹,

Ming²

1988

Canadian Journal of Psychology / Revue canadienne de psychologi

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show abstract

“…1 and was selected to reflect the major features of the alphabet.' From what is known about the neurophysiology of pattern vision (Brown, et al, 1973(Brown, et al, , 1975Dodwell, 1970) and the features of letters (Dunn-Rankin, 1978;Laughery, 1971;Gibson, Isser, & Smith, 1963;Townsend, 1971) it is reasonable to believe that line orientation, angles among lines, and curvature are some of the more important features of the alphabet. The 12 patterns were used to form the ( 12) = 66 possible pairs of stimuli; 9 L each pair was used to construct 6, three-choice, oddity problems.…”

Section: Sti~~zzdi and Problemsmentioning

confidence: 96%

Visual Pattern Perception: A Multidimensional Analysis of Development of Children's Reading Skills

Kak

Brown

1979

Percept Mot Skills

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This study was designed to assess the extent to which there are visual pattern processing deficits which are related to differential reading skill of young children. Discrimination problems were constructed using visual patterns with features known to be processed differentially by the central nervous system based upon neurophysiological data. Analysis of variance and multidimensional scaling techniques were used to analyze the discrimination latencies of kindergarten through third grade children (12 per grade) who were classified either as good or poor readers. The results show that there are no pattern-specific effects which discriminate good from poor readers. Rather, good readers process all patterns more efficiently than do poor readers, and efficiency improves with age for all readers studied. This suggests that the locus of the reading deficit occurs at levels in the nervous system beyond where pattern-feature processing occurs.

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Eye Movements and Visual Perception

Cumming¹

1978

Perceptual Processing

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Stabilized images: Probe analysis of pattern and color analytic mechanisms

Cited by 4 publications

References 25 publications

The visible persistence of illusory contours.

The visible persistence of illusory contours.

Visual Pattern Perception: A Multidimensional Analysis of Development of Children's Reading Skills

Eye Movements and Visual Perception

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