Browsing College of Arts and Sciences by Author "Gruenwald, Alexander"

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Browsing College of Arts and Sciences by Author "Gruenwald, Alexander"

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  • Binding of Object Representations by Synchronous Cortical Dynamics Explains Temporal Order and Spatial Pooling Data
    Gruenwald, Alexander; Grossberg, Stephen (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-05)
    A key problem in cognitive science concerns how the brain binds together parts of an object into a coherent visual object representation. One difficulty that this binding process needs to overcome is that different parts ...
  • Cortical Synchronizing and Perceptual Framing
    Grossberg, Stephen; Gruenwald, Alexander (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-05)
    How does the brain group together different parts of an object into a coherent visual object representation? Different parts of an object may be processed by the brain at different rates and may thus become desynchronized. ...
  • Motion Aftereffects Due to Interocular Summation of Adaptation to Linear Motion
    Gruenwald, Alexander; Mingolla, Ennio (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-08)
    The motion aftereffect (MAE) can be elicited by adapting observers to global motion before they view a display containing no global motion. Experiments y others have shown that if the left eye of an observer is adapted to ...
  • A Neuron Model with Variable Ion Concentrations
    Gruenwald, Alexander (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-05)
    Many neuron models exist, but usually the voltage is the central feature of those models. Recently interest in long-term potentiation (LTP) has surged, due to the fact that it is linked to learning. It has been shown that ...
  • Synchronized Neural Activities: A Mechanism for Perceptual Framing
    Grossberg, Stephen; Gruenwald, Alexander (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-05)
    Variability in retinal and geniculate processing rate that is dependent on stimulus properties suggests that some later process can put parts corresponding to the same retinal image back into register. This resynchronization ...
  • Temporal Dynamics of Binocular Display Processing with Corticogeniculate Interactions
    Grossberg, Stephen; Gruenwald, Alexander (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1995-07)
    A neural model of binocular vision is developed to simulate psychophysical and neurobiological data concerning the dynamics of binocular disparity processing. The model shows how feedforward and feedback interactions among ...

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