Correspondence Matching in Long-Range Apparent Motion Precedes Featural Analysis

Perception ◽  
10.1068/p5945 ◽  
2008 ◽  
Vol 37 (7) ◽  
pp. 1022-1036 ◽  
Author(s):  
Nicolaas Prins
Keyword(s):  
Long Range ◽  
Apparent Motion ◽  
Correspondence Matching

Three-Dimensional Structure from Long-Range Apparent Motion

Perception ◽  
1986 ◽  
Vol 15 (5) ◽  
pp. 619-625 ◽  
Author(s):  
Kvetoslav Prazdny
Keyword(s):  
Long Range ◽  
Apparent Motion ◽  
Three Dimensional ◽  
Temporal Correlation ◽  
Dimensional Structure ◽  
Depth Effect ◽  
Three Dimensional Structure ◽  
Two Dimensional Image ◽  
Kinetic Depth ◽  
Motion Discontinuities

Experiments are reported which show that three-dimensional structure can be perceived from two-dimensional image motions carried by objects defined solely by the differences in binocular and/or temporal correlation (ie disparity or motion discontinuities). This demonstrates that the kinetic depth effect is independent of motion detection in the luminance domain and that its relevant input comes from detectors based on some form of identity preservation of objects or features over time, ie the long-range processes of apparent motion.

Individual Differences in Responses of Untrained Observers to Stroboscopic Apparent Motion

Perception ◽  
1987 ◽  
Vol 16 (5) ◽  
pp. 573-581 ◽  
Author(s):  
David C Finlay ◽  
Mark L Manning ◽  
Barney Fenelon
Keyword(s):  
Individual Differences ◽  
Small Group ◽  
Long Range ◽  
Apparent Motion ◽  
Peak Frequency ◽  
Intersubject Variability ◽  
Once Daily ◽  
Large Groups

Two large groups of inexperienced subjects ( n = 208 and n = 50) and a small group of experienced subjects ( n = 5) were tested using time-till-breakdown as a measure of long-range apparent motion across a range of temporal frequencies. One group of inexperienced subjects was retested after one week and demonstrated quite stable patterns of response. Large intersubject variability was observed in terms of the amount of motion seen, with most inexperienced subjects reporting very little apparent motion. A raster display produced a peak frequency 1 Hz higher than a standard tachistoscope display. The role of experience was also examined with a small group of inexperienced subjects ( n = 8) tested once daily over five consecutive days. There was high intersubject variability and intrasubject consistency, demonstrating little influence of learning and experience. The results are discussed in terms of current ideas on the breakdown effect.

scholarly journals V1 population activity represents global motion velocity of long-range apparent motion in the awake monkey

2015 ◽  
Vol 15 (12) ◽  
pp. 480
Author(s):  
Sandrine Chemla ◽  
Alexandre Reynaud ◽  
Guillaume Masson ◽  
Frederic Chavane
Keyword(s):  
Long Range ◽  
Apparent Motion ◽  
Global Motion ◽  
Motion Velocity ◽  
Population Activity ◽  
Awake Monkey
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