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Titolo:
THE TRANSITION FROM AUTOMATIC TO CONTROLLED PROCESSING
Autore:
GRAY JA; BUHUSI CV; SCHMAJUK N;
Indirizzi:
INST PSYCHIAT,DEPT PSYCHOL,DE CRESPIGNY PK LONDON SE5 8AF ENGLAND DUKE UNIV,DEPT PSYCHOL DURHAM NC 27706
Titolo Testata:
Neural networks
fascicolo: 7, volume: 10, anno: 1997,
pagine: 1257 - 1268
SICI:
0893-6080(1997)10:7<1257:TTFATC>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCHIZOPHRENIC ATTENTION DISORDER; THALAMIC RETICULAR COMPLEX; PRONE NORMAL SUBJECTS; LATENT INHIBITION; DOPAMINE HYPOTHESIS; CHRONIC AMPHETAMINE; CONDITIONING RATHER; IRRELEVANT STIMULI; NUCLEUS-ACCUMBENS; VENTRAL PALLIDUM;
Keywords:
CONSCIOUSNESS; DOPAMINE; LATENT INHIBITION; NUCLEUS ACCUMBENS; SCHIZOPHRENIA; CONTROLLED PROCESSING; AUTOMATIC PROCESSING; NEURAL NETWORK;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
CompuMath Citation Index
CompuMath Citation Index
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
75
Recensione:
Indirizzi per estratti:
Citazione:
J.A. Gray et al., "THE TRANSITION FROM AUTOMATIC TO CONTROLLED PROCESSING", Neural networks, 10(7), 1997, pp. 1257-1268

Abstract

The transition from automatic (unconscious) to controlled (conscious)processing is described in terms of a neural network model of classical conditioning (Schmajuk et al., 1996). In the framework of the network, an environ mental stimulus is processed in controlled or consciousmode when Novelty and attention to the stimulus are large, and in automatic or unconscious mode otherwise. In the model, indirect dopamine (DA) agonists, such as amphetamine or nicotine, enhance the DA representation of Novelty, thereby increasing attention and engaging conscious processing of environmental stimuli. By contrast, DA receptor antagonists, such as haloperidol, reduce the DA representation of Novelty, thereby decreasing attention, and engaging unconscious processing of the stimuli. (C) 1997 Elsevier Science Ltd.

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Documento generato il 08/04/20 alle ore 07:57:36