Skip to main content

7 Result(s)

within T. Geisel Remove this filter Biomedicine Remove this filter Neurosciences Remove this filter

and

  1. No Access

    Article

    Action Potential Onset Dynamics and the Response Speed of Neuronal Populations

    The result of computational operations performed at the single cell level are coded into sequences of action potentials (APs). In the cerebral cortex, due to its columnar organization, large number of neurons ...

    B. Naundorf, T. Geisel, F. Wolf in Journal of Computational Neuroscience (2005)

  2. No Access

    Chapter

    Reorganization of Ocular Dominance Columns

    Formation of ocular dominance columns in many models can be analyzed in terms of the spectra of eigenvalues of the linearized dynamics. Depending on the noise level and on boundary conditions, the correspondin...

    O. Scherf, K. Pawelzik, T. Geisel in Computational Neuroscience (1997)

  3. No Access

    Chapter

    Identifying Oscillatory and Stochastic Neuronal Behavior with High Temporal Precision in Macaque Monkey Visual Cortex

    We characterize the network dynamics underlying multi-unit activities from area MT of macaque monkey in terms of a hidden markov model (HMM) and compare our results to those previously obtained from cat visual...

    U. Ernst, A. Kreiter, K. Pawelzik, T. Geisel in Computational Neuroscience (1997)

  4. No Access

    Chapter

    Activity-Dependent Self-Organization of Orientation Preference Predicts a Transient Overproduction of Pinwheels during Visual Development

    The pinwheel-like arrangement of iso-orientation domains around orientation centers is a ubiquitous structural element of orientation preference maps in primary visual cortex. Here we investigate how activity-...

    F. Wolf, T. Geisel in Computational Neuroscience (1997)

  5. No Access

    Article

    Analyzing phase transitions in high-dimensional self-organizing maps

    The self-organizing map (SOM), a widely used algorithm for the unsupervised learning of neural maps, can be formulated in a low-dimensional ‘feature map’ variant which requires prespecified parameters (‘featur...

    M. Riesenhuber, H.-U. Bauer, T. Geisel in Biological Cybernetics (1996)

  6. No Access

    Article

    Uncovering the synchronization dynamics from correlated neuronal activity quantifies assembly formation

    Synchronous network excitation is believed to play an outstanding role in neuronal information processing. Due to the stochastic nature of the contributing neurons, however, those synchronized states are diffi...

    J. Deppisch, K. Pawelzik, T. Geisel in Biological Cybernetics (1994)

  7. No Access

    Article

    Formation of field discontinuities and islands in visual cortical maps

    The representations of visual hemifields in the extrastriate areas of various species exhibit field discontinuities and islands. We propose that these violations of retinotopy are a developmental consequence o...

    F. Wolf, H.-U. Bauer, T. Geisel in Biological Cybernetics (1994)