Continuous attractor model

Author: njmg

August undefined, 2024

WebContinuous attractor is a promising model for describing the encoding of continuous stimuli in neural systems. In a continuous attractor, the stationary states of the neural system form a continuous parameter space, on which the system is neutrally stable. This property enables the neutral system to track time-varying stimuli smoothly, but it also … WebAbstract: Continuous attractor is a promising model for describing the encoding of continuous stimuli in neural systems. In a continuous attractor, the stationary states of …

A Hybrid Oscillatory Interference/Continuous Attractor Network Model …

WebContinuous attractor neural networks (CANNs) describe the neural processing of continuous information such as object position, object orientation, and direction of … WebOct 24, 2024 · Continuous attractor neural networks (CANNs) have been widely used as a canonical model for neural information representation. It remains, however, unclear how the neural system acquires such a network structure in practice. In the present study, we propose a biological plausible scheme for the neural system to learn a CANN from real … cd tower shelves

Continuous Attractor Network Model for Conjunctive …

Web1 day ago · The model consists of head direction cells arranged in a ring and receiving local excitatory (red) and uniform inhibitory (blue) connections (upper left; cells coloured according to their... WebConsequently, such a system will resist continuous external perturbation, and it will keep its Denoting the maximum eigenvalue of the Jacobian J by time-dependent dynamics stable. λmax (xA ,t), the stability of xA (t) at all times is constituted The definition of chronotaxic systems can therefore be by the requirement that λmax is uniformly ... WebContinuous attractor neural networks are recurrent networks with center-surround interaction profiles that are common ingredients in many neuroscientific models. We study realizations of multiple non-equidistant activity packets in this model. These ... butterfly affection

(PDF) Generalized chronotaxic systems: Time-dependent …

Attractor network - Wikipedia

WebJul 26, 2024 · Here a continuous attractor network model is described that is capable of a qualitative reproduction of these phenomena, while being consistent with the ring attractor hypothesis. The model assumes that there is more than one attractor ring in the HD system. Results of the concept-proof simulation suggest a correction to the standard … WebDec 12, 2024 · We implemented a realistic model of grid cells based on a continuous attractor model. The grid cell model was coupled to a place cell model to address their … butterfly affection wikiWebNov 3, 2024 · This work constructs a continuous-attractor network model of the head-direction system, showing how intrinsic dynamics contribute to shaping population firing rates. Article Google Scholar cd to youtube

"WebApr 2, 2014 · The grid cell network can then support continuous attractor dynamics such that, in the absence of rhythmic VCO inputs, uniform feedforward excitation is sufficient to generate a single stable “activity bump” at a random location over a period of ∼500 ms, which subsequently moves slowly, smoothly, and stochastically across the flat energy … " - Continuous attractor model

Continuous attractor model

Continuous Attractor Neural Networks: Candidate of a Canonical Model ...

WebThe term attractor, when applied to neural circuits, refers to dynamical states of neural populations that are self-sustained and stable against perturbations. It is part of the vocabulary for describing neurons or neural networks as dynamical systems. WebNational Center for Biotechnology Information

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WebIn this paper, we present a new attractor network model that accounts for the conjunctive position-by-velocity selectivity of grid cells. Our network model is able to perform robust … WebThe term attractor, when applied to neural circuits, refers to dynamical states of neural populations that are self-sustained and stable against perturbations. It is part of the …

WebNational Center for Biotechnology Information WebFeb 25, 2013 · Taken together, these findings describe how the firing patterns of grid cells arise from local circuitry 3 and extrinsic input 4, providing evidence for a continuous attractor network based on...

WebAug 1, 1997 · In the model, a place-cell assembly called a "chart" contains a two-dimensional attractor set called an "attractor map" that can be used to represent coordinates in any arbitrary environment, once associative binding has occurred between chart locations and sensory inputs. WebMay 16, 2024 · In this paper we analyze the behavior of an attractor neural network driven by two conflicting external inputs. Our focus is on analyzing the emergent properties of the megamap model, a quasi-continuous attractor network in which place cells are flexibly recombined to represent a large spatial environment.

WebApr 2, 2014 · Here, we have demonstrated that a simple hybrid model in which grid cells in a continuous attractor network are driven by input from VCOs can account for a wide …

WebJun 2, 2024 · In continuous attractor neural networks (CANNs), spatially continuous information such as orientation, head direction, and spatial location is represented by Gaussian-like tuning curves that can ... c.d.toxinWebJun 15, 2012 · Continuous attractors of neural networks have been used to store and manipulate continuous stimuli for animals. A continuous attractor is defined as a connected set of stable equilibrium points. ... McNaughton BL (1997) Path integration and cognitive mapping in a continuous attractor neural network model. J Neurosci … c. d. toysWebApr 19, 2024 · A class of cortical working memory models able to store continuously structured information is that of continuous attractors, characterized by a continuum of meta-stable states, which can be used … butterfly affection 攻略WebApr 1, 2008 · Continuous attractor is a promising model for describing the encoding of continuous stimuli in neural systems. In a continuous attractor, the stationary states … butterfly affection ภาษาไทย pcWebContinuous attractor is a promising model for describing the encoding of continuous stimuli in neural systems. In a continuous attractor, the stationary states of the neural … butterfly affection 作者WebMotivated by experimental observations of the head direction system, we study a three population network model that operates as a continuous attractor netw A Continuous … butterfly affirmation cardsWebApr 17, 2014 · In this paper, we present a new attractor network model that accounts for the conjunctive position-by-velocity selectivity of grid cells. Our network model is able … cdt pace training