Browsing Cognitive & Neural Systems by Author "Cohen, Michael A."

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Browsing Cognitive & Neural Systems by Author "Cohen, Michael A."

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  • Cohen, Michael A.; Pribe, Christopher A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1993-06)
    A biomechanical model of the human oculomotor plant kinematics in 3-D as a function of muscle length changes is presented. It can represent a range of alternative interpretations of the data as a function of one parameter. ...
  • Hampson, Michelle; Guenther, Frank H.; Cohen, Michael A.; Nieto-Castanon, Alfonso (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2003-02)
    To investigate the process underlying audiovisual speech perception, the McGurk illusion was examined across a range of phonetic contexts. Two major changes were found. First, the frequency of illusory /g/ fusion percepts ...
  • Cohen, Michael A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1991-08-12)
    In this paper, two methods for constructing systems of ordinary differential equations realizing any fixed finite set of equilibria in any fixed finite dimension are introduced; no spurious equilibria are possible for ...
  • Cohen, Michael A.; Grossberg, Stephen; Pribe, Christopher A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1993-01)
    The 2-channel Ellias-Grossberg neural pattern generator of Cohen, Grossberg, and Pribe [1] is shown to simulate data from human bimanual coordination tasks in which anti-phase oscillations at low frequencies spontaneously ...
  • Guenther, Frank H.; Husain, Fatima T.; Cohen, Michael A.; Shinn-Cunningham, Barbara G. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1999-03)
    Psychophysical phenomena such as categorical perception and the perceptual magnet effect indicate that our auditory perceptual spaces are warped for some stimuli. This paper investigates the effects of two different kinds ...
  • Fishl, Bruce; Schwartz, Eric L.; Cohen, Michael A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1996-08)
    Local image structure is widely used in theories of both machine and biological vision. The form of the differential operators describing this structure for space-invariant images has been well documented (e.g. Koenderink, ...
  • Cohen, Michael A.; Grossberg, Stephen; Pribe, Christopher (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1993-11)
    1) A large body of behavioral data conceming animal and human gaits and gait transitions is simulated as emergent properties of a central pattern generator (CPG) model. The CPG model incorporates neurons obeying Hodgkin-Huxley ...
  • Grossberg, Stephen; Pribe, Christopher; Cohen, Michael A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-07)
    How do humans and other animals accomplish coordinated movements? How are novel combinations of limb joints rapidly assembled into new behavioral units that rnove together in in-phase or anti-phase movement patterns during ...
  • Pribe, Christopher A.; Grossberg, Stephen; Cohen, Michael A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-07)
    Behavioral data concerning animal and human gaits and gait transitions are simulated as emergent properties of a central pattern generator (CPG) model. The CPG model is a version of the Ellias-Grossberg oscillator. Its ...
  • Cohen, Michael A.; Grossberg, Stephen; Pribe, Christopher (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-05)
    How do humans and other animals accomplish coordinated movements? How are novel combinations of limb joints rapidly assembled into new behavioral units that move together in in-phase or anti-phase movement patterns during ...
  • Cohen, Michael A.; Grossberg, Stephen; Wyse, Lonce (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1992-02)
    This article describes a neural network model capable of generating a spatial representation of the pitch of an acoustic source. Pitch is one of several auditory percepts used by humans to separate multiple sound sources ...
  • Cohen, Michael A.; Grossberg, Stephen; Pribe, Christopher A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1993-01)
    A neural pattern generator based upon a non-linear cooperative-competitive feedback neural network is presented. It can generate the two standard human gaits: the walk and the run. A scalar arousal or GO signal causes a ...
  • Cohen, Michael A.; Grossberg, Stephen; Pribe, Christopher (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1992-02)
    This article describes a. neural pattern generator based on a cooperative-competitive feedback neural network. The two-channel version of the generator supports both in-phase and anti-phase oscillations. A scalar arousal ...
  • Rubin, Mark A.; Cohen, Michael A.; Luciano, Joanne S.; Samson, Jacquelin A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1998-06)
    Although effective drug and non-drug treatment for unipolar depressive illness exist, different individuals respond differently to different treatments. It is not uncommon for a given patient to lw switched several times ...
  • Cohen, Michael A.; Grossberg, Stephen (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1996-10)
    A neural model of peripheral auditory processing is described and used to separate features of coarticulated vowels and consonants. After preprocessing of speech via a filterbank, the model splits into two parallel channels, ...
  • Cohen, Michael A.; Grossberg, Stephen; Pribe, Christopher A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1993-01)
    A four-channel neural pattern generator is described in which both the frequency and the relative phase of oscillations are controlled by a scalar arousal or GO signal. The generator is used to simulate quadruped gaits; ...
  • Fischl, Bruce; Schwartz, Eric L.; Cohen, Michael A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1996-08)
    Many computer and robot vision applications require multi-scale image analysis. Classically, this has been accomplished through the use of a linear scale-space, which is constructed by convolution of visual input with ...
  • Cohen, Michael A.; Grossberg, Stephen; Wyse, Lonce L. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1995-01)
    A model of pitch perception, called the Spatial Pitch Network or SPINET model, is developed and analyzed. The model neurally instantiates ideas front the spectral pitch modeling literature and joins them to basic neural ...
  • Cohen, Michael A. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1992-02)
    We wish to construct a realization theory of stable neural networks and use this theory to model the variety of stable dynamics apparent in natural data. Such a theory should have numerous applications to constructing ...

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