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Browsing CAS/CNS Technical Reports by Title

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Browsing CAS/CNS Technical Reports by Title

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  • Bonmassar, Giorgio; Schwartz, Eric L. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1998-02)
    Template matching via cross-correlation on Laplacian pyramid image architectures has been traditionally performed in a "coarse" to "fine" fashion. In the present paper, we show that by computing cross-correlation within ...
  • Aguilar, Mario J.; Ross, William D. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1994-02)
    Abstract Incremental ART extends adaptive resonance theory (ART) by incorporating mechanisms for efficient recognition through incremental feature extraction. The system achieves efficient confident prediction through the ...
  • Pack, Christopher; Mingolla, Ennio (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1997-06-04)
    When an expansion flow field of moving dots is overlapped by planar motion, observers perceive an illusory displacement of the focus of expansion (FOE) in the direction of the planar motion (Duffy & Wurtz, 1993. Vision ...
  • Bullock, Daniel; Contreas-Vidal, Jose Luis; Grossberg, Stephen (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1995-02)
  • Carpenter, Gail; Martens, Siegfried; Ogas, Ogi; Rhodes, Bradley (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2003-12)
    Mapping novel terrain from sparse, complex data often requires the resolution of conflicting information from sensors working at different times, locations, and scales, and from experts with different goals and situations. ...
  • Banquet, Jean-Paul; Contreras-Vidal, José L. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1992-02)
    We present a neural network that adapts and integrates several preexisting or new modules to categorize events in short term memory (STM), encode temporal order in working memory, evaluate timing and probability context ...
  • Carpenter, Gail A.; Grossberg, Stephen (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1993-01)
  • Hinds, Oliver P.; Polimeni, Jonathan R.; Rajendran, Niranjini; Balasubramanian, Mukund; Wald, Lawrence L.; Rosas, H. Diana; Frosch, Matthew P.; Augustinack, Jean C.; Wiggins, Graham; Potthast, Andreas; Fischl, Bruce; Schwartz, Eric L. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2007-01-16)
    Previous studies have reported considerable intersubject variability in the three-dimensional geometry of the human primary visual cortex (V1). Here we demonstrate that much of this variability is due to extrinsic geometric ...
  • Guenther, Frank H.; Espy-Wilson, Carol Y.; Boyce, Suzanne E.; Matthies, Melanie L.; Zandipour, Majid; Perkell, Joseph S. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1997-07)
    The purpose of this report is to test the hypothesis that speakers utilize an acoustic, rather than articulatory, planning space for speech production. It has been well-documented that many speakers of American English use ...
  • 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 ...
  • Grady, Leo; Schwartz, Eric (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2003-07)
    Spectral methods of graph partitioning have been shown to provide a powerful approach to the image segmentation problem. In this paper, we adopt a different approach, based on estimating the isoperimetric constant of an ...
  • Grady, Leo; Schwartz, Eric (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2003-10)
    Temporal structure is skilled, fluent action exists at several nested levels. At the largest scale considered here, short sequences of actions that are planned collectively in prefronatal cortex appear to be queued for ...
  • Ajemian, Robert; Bullock, Daniel; Grossberg, Stephen (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1998-06)
    During goal-directed reaching in primates, a sensorimotor transformation generates a dynamical pattern of muscle activation. Within the context of this sensorimotor transformation, a fundamental question concems the ...
  • Versace, Massimiliano; Ames, Heather; Léveillé, Jasmin; Fortenberry, Bret; Gorchetchnikov, Anatoli (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2007-12)
    Making use of very detailed neurophysiological, anatomical, and behavioral data to build biologically-realistic computational models of animal behavior is often a difficult task. Until recently, many software packages have ...
  • Versace, Massimiliano; Ames, Heather; Léveillé, Jasmin; Fontenberry, Bret; Gorchetchnikov, Anatoli (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2007-06-12)
    Making use of very detailed neurophysiological, anatomical, and behavioral data to build biological-realistic computational models of animal behavior is often a difficult task. Until recently, many software packages have ...
  • Grossberg, Stephen (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1999-07)
    The mammalian neocortex is organized into layers which include circuits that form functional columns in cortical maps. A major unsolved problem concerns how bottom-up, top-down, and horizontal interactions are organized ...
  • Grossberg, Stephen (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2000-10)
  • Grossberg, Stephen; Yazdanbakhsh, Arash (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2004-01)
    How does the laminar organization of cortical circuitry in areas VI and V2 give rise to 3D percepts of stratification, transparency, and neon color spreading in response to 2D pictures and 3D scenes? Psychophysical experiments ...
  • Grossberg, Stephen; Pearson, Lance R. (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2006-04)
    How does the brain carry out working memory storage, categorization, and voluntary performance of event sequences? The LIST PARSE neural model proposes an answer to this question that unifies the explanation of cognitive, ...
  • Grossberg, Stephen; Pearson, Lance (Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2006-04)
    How do the layered circuits of prefrontal and motor cortex carry out working memory storage, sequence learning, and voluntary sequential item selection and performance? A neural model called LIST PARSE is presented to ...

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