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Titolo:
COHERENT MOTION DETECTION AND LETTER POSITION ENCODING
Autore:
CORNELISSEN PL; HANSEN PC; GILCHRIST I; CORMACK F; ESSEX J; FRANKISH C;
Indirizzi:
UNIV NEWCASTLE UPON TYNE,DEPT PSYCHOL,RIDLEY BLDG NEWCASTLE TYNE NE1 7RU TYNE & WEAR ENGLAND DEPT PHYSIOL OXFORD OX1 3PT ENGLAND SCI LABS,DEPT PSYCHOL DURHAM DH1 3LE ENGLAND UNIV BRISTOL,DEPT PSYCHOL BRISTOL BS8 1TN AVON ENGLAND
Titolo Testata:
Vision research (Oxford)
fascicolo: 14, volume: 38, anno: 1998,
pagine: 2181 - 2191
SICI:
0042-6989(1998)38:14<2181:CMDALP>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONTRAST SENSITIVITY; DEVELOPMENTAL DYSLEXIA; READING-DISABILITY; PERCEPTION; ATTENTION; CHILDREN; FLICKER; READERS; OBJECTS; SOUNDS;
Keywords:
DYSLEXIA; READING; MAGNOCELLULAR; COHERENT MOTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
39
Recensione:
Indirizzi per estratti:
Citazione:
P.L. Cornelissen et al., "COHERENT MOTION DETECTION AND LETTER POSITION ENCODING", Vision research (Oxford), 38(14), 1998, pp. 2181-2191

Abstract

We identified 24 'good' and 24 'poor' coherent motion detectors from an unselected sample of young adults. The two groups were matched for reading ability, age and IQ. All subjects carried out two tasks in which optimal performance depended on accurate letter position encoding: a lexical decision task and a primed reaction time task. We found thataccurate letter position encoding was predicted by performance in themotion detection task. Since coherent motion detection depends on input from the magnocellular pathway, these findings suggest that information carried by the magnocellular system may be required for encoding letter position. Furthermore, these results may have implications for reading disability which is said to be associated with magnocellular dysfunction. (C) 1998 Elsevier Science Ltd. All rights reserved.

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Documento generato il 25/11/20 alle ore 03:36:35