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Overview

connectionism

Any model of information processing based on the conceptual framework of connectionism (1). Also called a connectionist network.

connectionism

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A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016

... A branch of artificial intelligence that advocates the use of massively parallel systems based on many simple processing elements with large numbers of connections between them. Inspiration is derived from brain models, with neural networks providing the classic example of connectionism. The connectionist approach to machine learning is based on the idea that all learning may be achieved through the local or global adjustment of weights that express the strength of connections between elements in the...

connectionism

connectionism n.   Quick reference

A Dictionary of Psychology (4 ed.)

Reference type:
Subject Reference
Current Version:
2015

...to refer to his interpretation of trial-and-error learning as the formation of associations between situations (not ideas) and responses. See also law of effect . Compare associationism . connectionist n. 1. One who practises or advocates connectionism (1, 2). adj . 2. Of or relating to connectionism (1,...

connectionism

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Jennifer Hornsby

The Oxford Companion to Philosophy (2 ed.)

Reference type:
Subject Reference
Current Version:
2005
Subject:
Philosophy
Length:
165 words

... . An approach in artificial intelligence and cognitive science aimed at producing biologically realistic models of the brain and of mental processing; sometimes called PDP ( parallel distributed processing ). In ‘old-fashioned’ (or cognitivist) accounts, the brain is viewed as a symbol manipulator. In PDP (or connectionist) accounts, the brain is viewed as a complex weave of multilayered networks. The units of a network (which may be compared to the brain's neurons) are simple processors, and the connections between them, of which there are...

connectionism

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The Concise Oxford Dictionary of Linguistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Linguistics
Length:
87 words

... Model of mental processing inspired by the physical connections among brain cells, in which operations of different kinds are carried out in parallel by a network of different processing units, linked in such a way that each can either excite or inhibit others. Also described as a model of Parallel Distributed Processing (or PDP ), and contrasted with that of serial processing, in which operations of different kinds are carried out in sequence, each having access only to the results of those that have gone...

connectionism

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A Dictionary of Philosophy (3 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Philosophy
Length:
227 words
Illustration(s):
1

... The view that one of the most impressive and plausible ways of modelling cognitive processes is by means of a connectionist or parallel distributed processing computer architecture. In such a system data is input into a number of cells at one level. These are each connected to a middle layer of cells, or hidden units, which in turn deliver an output. Such a system can be ‘trained’ by adjusting the weights a hidden unit accords to each signal from an earlier cell. The training is accomplished by ‘back propagation of error’, meaning that if the output...

Connectionism

Connectionism   Reference library

International Encyclopedia of Linguistics (2 ed.)

Reference type:
Subject Reference
Current Version:
2003
Subject:
Linguistics
Length:
1,952 words
Illustration(s):
1

... . This computational framework for cognitive modeling is based on numerical computation rather than on symbol manipulation. Inspired by mathematical models of neural processes and by associationist psychology, variations of the connectionist approach over several decades have been termed cybernetics, perceptrons, neural networks , and P[arallel] D[istributed] P[rocessing] (Rumelhart et al. 1986 , Anderson and Rosenfeld 1988 , Grossberg 1988 , Arbib 1995 , Christiansen and Chater 2001 ). Connectionism may hold the potential for a unified...

connectionism

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Encyclopedia of Semiotics

Reference type:
Subject Reference
Current Version:
2007
Subject:
Language reference, Linguistics
Length:
1,722 words
Illustration(s):
1

... . Known also as parallel distributed processing ( PDP ) or neural computation, connectionism endeavors to simulate the processes taking place in a network of neurons on a very abstract level; connectionist models are simplifying models of the brain. Simulating these “neurally inspired” or brainlike models on the computer might lead to a deeper understanding of cognitive processes ( Rumelhart , 1989 ). This computational approach differs from conventional computer programs in which information is stored more or less (linguistically) explicitly and...

connectionism

connectionism noun   Quick reference

New Oxford American Dictionary (3 ed.)

Reference type:
English Dictionary
Current Version:
2015
Subject:
English Dictionaries and Thesauri
Length:
84 words
connectionism

connectionism noun   Quick reference

Oxford Dictionary of English (3 ed.)

Reference type:
English Dictionary
Current Version:
2015
Subject:
English Dictionaries and Thesauri
Length:
86 words
connectionism

connectionism noun   Reference library

Australian Oxford Dictionary (2 ed.)

Reference type:
English Dictionary
Current Version:
2004
Subject:
English Dictionaries and Thesauri
Length:
59 words
connectionism

connectionism  

Any model of information processing based on the conceptual framework of connectionism (1). Also called a connectionist network.
neurocomputer

neurocomputer  

An electronic computer that uses a neural network to mimic or simulate the operation of the human brain. Also called a neural computer. See also connectionism (1). [From Greek neuro(n) a nerve + ...
delta rule

delta rule  

In the back-propagation algorithm, adjustment of the weights of connections between units as a function of the discrepancies between actual output and target output as determined by a teacher unit. ...
distributed network model

distributed network model  

A representation of anything by a pattern of activation over a number of connected units, characteristic of connectionism (1). Also called distributed representation.
Hebbian rule

Hebbian rule  

In connectionism (1) and parallel distributed processing, a rule governing the alteration of weights of connections between units in order to adjust a network model in the direction of a target ...
gradient descent

gradient descent  

A numerical method for minimizing a function by invariably moving downwards along a steepest path from the current position. The method does not guarantee to reach a global minimum because, like a ...
network model

network model  

Any model consisting of a collection of units, each joined to one or more other units that it may excite or inhibit. See ACT*, connectionism (1), neural network, parallel distributed processing.
teacher unit

teacher unit  

In connectionism (1) and parallel distributed processing, a unit with a predetermined level of activation that determines the levels of activation of other units in order to achieve a target level ...
hill climbing

hill climbing  

A numerical method for maximizing a function by invariably moving upwards along a slope of steepest ascent from the current position. The method does not guarantee to reach a global maximum because, ...
error back-propagation

error back-propagation  

Reference type:
Overview Page
Subject:
Linguistics
A learning mechanism for connectionist networks, also known as the generalized delta rule (Rumelhart et al., 1986), error back‐propagation was developed as a solution to the problem that supervised ...

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