NDLI: Conscious percept formation using fuzzy entropy measures of neuronal multiplex signals

Content Provider	IEEE Xplore Digital Library
Author	Helgason, C.M. Jobe, T.H.
Copyright Year	2010
Description	Author affiliation: Department of Psychiatry, University of Illinois College of Medicine, Chicago, Illinois (Jobe, T.H.) \|\| Department of Neurology, University of Illinois College of Medicine, Chicago, Illinois (Helgason, C.M.)
Abstract	One goal of automation is to mimic the smoothness and efficiency of human performance. Fuzzy logic based soft computing and engineering works towards this goal. The obvious difference between machines and humans is that of life. If one could understand the method by which human perception and motor response takes place one might conceive of a means to automate these capabilities. The anatomy and physiology of the living nervous system are notable in this respect. In the mammalian brain, the pyramidal neuron of the cerebral cortex plays a key role in perception. Pyramidal cell axons exhibit clusters of action potentials that form a multiplex code allowing multiple parallel patterns of information to travel in the same time frame along that axon. Selective decoding at different target locations within the central nervous system then takes place. We propose that the anatomy of the cerebral cortex and pyramidal neuron is uniquely suited to distribute a multiplex signal, and that this property then provides the basis for a common code for perceptual and motor representations. Thinking of the anatomy in terms of geometry, we are able to predict the increase in length of the apical dendrites of pyramidal neurons from cortical layers 2 to 6 on the basis of a property of the doubled fuzzy hypercube (unit square). A decrease in fuzzy entropy of incoming signals takes place as engrams and new signals arrive bband are passed down through these layers to pyramidal cell layer 5. Perceptions and motor action plans are separated out by demultiplexing so that conscious percepts are executed by the thalamoreticular system and corresponding motor plans by the corticospinal tract. This is possible because of differential demultiplexing mediated by inhibitory gabaergic neurons of the same multiplex signal at the relevant target areas. The important feature of this process is its plasticity, due to synaptopoeisis which is a continuous remodeling process of synaptic location.
Starting Page	1
Ending Page	4
File Size	602219
Page Count	4
File Format	PDF
ISBN	9781424478590
e-ISBN	9781424478583
e-ISBN	9781424478576
DOI	10.1109/NAFIPS.2010.5548207
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Entropy Neurons Humans Anatomy Cerebral cortex Nerve fibers Demultiplexing Automation Fuzzy logic Physiology least action component Fuzzy entropy percepts motor action frequency signal multiplex signal common code unit square doubling square
Content Type	Text
Resource Type	Article

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