Generalized neural field theory of cortical plasticity illustrated by an application to the linear phase of ocular dominance column formation in primary visual cortex

2021 ◽  
Author(s):  
M. M. Aghili Yajadda ◽  
P. A. Robinson ◽  
J. A. Henderson
Keyword(s):  
Field Theory ◽  
Visual Cortex ◽  
Primary Visual Cortex ◽  
Cortical Plasticity ◽  
Ocular Dominance ◽  
Neural Field ◽  
Linear Phase ◽  
Neural Field Theory ◽  
Ocular Dominance Column ◽  
Column Formation

scholarly journals Elastic Net Model of Ocular Dominance: Overall Stripe Pattern and Monocular Deprivation

1994 ◽  
Vol 6 (4) ◽  
pp. 615-621 ◽  
Author(s):  
Geoffrey J. Goodhill ◽  
David J. Willshaw
Keyword(s):  
Visual Cortex ◽  
Lateral Geniculate Nucleus ◽  
Primary Visual Cortex ◽  
Ocular Dominance ◽  
Monocular Deprivation ◽  
Elastic Net ◽  
Global Order ◽  
Stripe Pattern ◽  
Lateral Geniculate ◽  
Stripe Width

The elastic net (Durbin and Willshaw 1987) can account for the development of both topography and ocular dominance in the mapping from the lateral geniculate nucleus to primary visual cortex (Goodhill and Willshaw 1990). Here it is further shown for this model that (1) the overall pattern of stripes produced is strongly influenced by the shape of the cortex: in particular, stripes with a global order similar to that seen biologically can be produced under appropriate conditions, and (2) the observed changes in stripe width associated with monocular deprivation are reproduced in the model.

scholarly journals Homeostatic plasticity mechanisms in mouse V1

2017 ◽  
Vol 372 (1715) ◽  
pp. 20160504 ◽  
Author(s):  
Megumi Kaneko ◽  
Michael P. Stryker
Keyword(s):  
Visual Cortex ◽  
Primary Visual Cortex ◽  
Neuronal Activity ◽  
Dynamic Range ◽  
Ocular Dominance ◽  
Homeostatic Plasticity ◽  
Ocular Dominance Plasticity ◽  
The Brain

Mechanisms thought of as homeostatic must exist to maintain neuronal activity in the brain within the dynamic range in which neurons can signal. Several distinct mechanisms have been demonstrated experimentally. Three mechanisms that act to restore levels of activity in the primary visual cortex of mice after occlusion and restoration of vision in one eye, which give rise to the phenomenon of ocular dominance plasticity, are discussed. The existence of different mechanisms raises the issue of how these mechanisms operate together to converge on the same set points of activity. This article is part of the themed issue ‘Integrating Hebbian and homeostatic plasticity’.

K-complexes, spindles, and ERPs as impulse responses: unification via neural field theory

2017 ◽  
Vol 111 (2) ◽  
pp. 149-164 ◽  
Author(s):  
M. S. Zobaer ◽  
R. M. Anderson ◽  
C. C. Kerr ◽  
P. A. Robinson ◽  
K. K. H. Wong ◽  
...  
Keyword(s):  
Field Theory ◽  
Neural Field ◽  
Impulse Responses ◽  
Neural Field Theory

scholarly journals Subplate neuron ablation alters neurotrophin expression and ocular dominance column formation

1999 ◽  
Vol 96 (23) ◽  
pp. 13491-13495 ◽  
Author(s):  
E. S. Lein ◽  
E. M. Finney ◽  
P. S. McQuillen ◽  
C. J. Shatz
Keyword(s):  
Ocular Dominance ◽  
Ocular Dominance Column ◽  
Column Formation

A Simple Human Brain Model Reproducing Evoked MEG Based on Neural Field Theory

2021 ◽  
pp. 109-116
Author(s):  
Evgenii Burlakov ◽  
Vitaly Verkhlyutov ◽  
Vadim Ushakov
Keyword(s):  
Field Theory ◽  
Human Brain ◽  
Neural Field ◽  
Neural Field Theory

Influence of Lateral Connections on the Structure of Cortical Maps

2004 ◽  
Vol 92 (5) ◽  
pp. 2947-2959 ◽  
Author(s):  
Miguel Á. Carreira-Perpiñán ◽  
Geoffrey J. Goodhill
Keyword(s):  
Visual Cortex ◽  
Computational Model ◽  
Primary Visual Cortex ◽  
Short Range ◽  
Ocular Dominance ◽  
Characteristic Structure ◽  
Interaction Function ◽  
Mexican Hat ◽  
Visual Cortical ◽  
Cortical Map

Maps of ocular dominance and orientation in primary visual cortex have a highly characteristic structure. The factors that determine this structure are still largely unknown. In particular, it is unclear how short-range excitatory and inhibitory connections between nearby neurons influence structure both within and between maps. Using a generalized version of a well-known computational model of visual cortical map development, we show that the number of excitatory and inhibitory oscillations in this interaction function critically influences map structure. Specifically, we demonstrate that functions that oscillate more than once do not produce maps closely resembling those seen biologically. This strongly suggests that local lateral connections in visual cortex oscillate only once and have the form of a Mexican hat.

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