The construction of a simultaneous functional order in nervous systems |
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Authors: | A. Toet J. Blom J. J. Koenderink |
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Affiliation: | (1) Department of Medical and Physiological Physics, University of Utrecht, Princetonplein 5, Postbox 80.000, NL-3508 TA Utrecht, The Netherlands |
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Abstract: | In a previous paper (Part I) we introduced a model that constructs a simultaneous functional order in a set of neuronal elements by monitoring the coincidences in their signal activities (the so-called coincidence-model). The simultaneous signal activity in a neural net will be constrained both by its physical restrictions and by environmental constraints. In this paper we present the results of simulation experiments that were performed to study the influence of environmental constraits on the resulting functional order in a set of neural elements corresponding to a onedimensional detector array. We show that the coincidence-model produces a functional order that encodes the physical constraints of the environment. Moreover, we demonstrate that the signal activity in the neural net (the perceptions) can be related to events in the outer world. We provide some examples to demonstrate that our model may prove useful to gain insight into certain developmental disorders. |
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