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The Neural Basis of Free WillCriterial Causation$
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Peter Ulric Tse

Print publication date: 2013

Print ISBN-13: 9780262019101

Published to MIT Press Scholarship Online: August 2013

DOI: 10.7551/mitpress/9780262019101.001.0001

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NMDA Receptors and a Neuronal Code Based on Bursting

NMDA Receptors and a Neuronal Code Based on Bursting

Chapter:
(p.79) 5 NMDA Receptors and a Neuronal Code Based on Bursting
Source:
The Neural Basis of Free Will
Author(s):

Peter Ulric Tse

Publisher:
The MIT Press
DOI:10.7551/mitpress/9780262019101.003.0005

This chapter discusses the two types of neurons, namely, those that have spines on their dendritic branches and those that have none or almost none. The variety in neuron types suggests that criterial decoding and feature detection are not likely to emerge solely as a result of linear or nonlinear pooling of inputs, as suggested by the pandemonium or HMAX models, respectively. They are also likely to emerge as a function of structural differences in various types of neurons, which, by virtue of their physical differences, impose different types of criteria for firing on neuronal input. Spiny cells generally have excitatory outputs, which means that most stellate and pyramidal cells excite other stellate and pyramidal cells. On the other hand, nonspiny cells are responsible for inhibition; they project local, GABAergic inhibitory interneurons.

Keywords:   neurons, dendritic branches, criterial decoding, feature detection, pandemonium, HMAX, neuronal input, spiny cells, nonspiny cells

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