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Browsing Cognitive & Neural Systems by Subject "Aperture problem"

OpenBU

Browsing Cognitive & Neural Systems by Subject "Aperture problem"

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  • Lidén, Lars; Mingolla, Ennio (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1997-08)
    The influence of monocular occlusion cues on the perceived direction of motion of barber pole patterns is examined. Unlike previous studies that have emphasized the importance of binocular disparity, we find that monocular ...
  • Chey, Jonathan; Grossberg, Stephen; Mingolla, Ennio (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1995-11)
    A neural network model of visual motion perception and speed discrimination is developed to simulate data concerning the conditions under which components of moving stimuli cohere or not into a global direction of motion, ...
  • Grossberg, Stephen; Mingolla, Ennio; Viswanathan, Lavanya (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2000-02)
    A neural model is developed of how motion integration and segmentation processes, both within and across apertures, compute global motion percepts. Figure-ground properties, such as occlusion, influence which motion signals ...
  • Grossberg, Stephen; Mingolla, Ennio (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1992-05)
    A neural network model of global motion segmentation by visual cortex is described. Called the Motion Boundary Contour System (BCS), the model clarifies how ambiguous local movements on a complex moving shape are actively ...
  • Grossberg, Stephen (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2007-09)
    When brain mechanism carry out motion integration and segmentation processes that compute unambiguous global motion percepts from ambiguous local motion signals? Consider, for example, a deer running at variable speeds ...
  • Mingolla, Ennio; Todd, James T.; Norman, J. Farley (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1991-12)
    How do human observers perceive a coherent pattern of motion from a disparate set of local motion measures? Our research has examined how ambiguous motion signals along straight contours are spatially integrated to obtain ...
  • Grossberg, Stephen; Pilly, Praveen K. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2008-02)
    How does the brain make decisions? Speed and accuracy of perceptual decisions covary with certainty in the input, and correlate with the rate of evidence accumulation in parietal and frontal cortical "decision neurons." A ...

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