Visual word expertise: a study of inversion and the word-length effect, with perceptual transforms.

Abstract:

:The word-length effect may indicate whether reading is proceeding in an efficient whole-word fashion or by serial letter processing. If it is an index of an orientation-dependent expert reading mechanism, then it should show an inversion effect, with a large difference between upright and upside-down text that is specific for normally configured text. We measured response time of healthy subjects reading 3- to 9-letter words presented in normal configuration, in mirror reflection or spelt backward, in either upright or inverted orientation. The word-length effect showed an inversion effect specific for normal text, as it was not seen for either backward or mirrored text, a result that differed from that for simple mean response times. Also, the word-length effect was smaller for backward than for mirrored text, suggesting that reading of transformed text uses primarily local letters rather than global word forms. We conclude that the word-length effect is a suitable index of expert reading, and reveals that reading under perceptually difficult conditions relies on a sublexical letter-based strategy.

journal_name

Perception

journal_title

Perception

authors

Björnström LE,Hills C,Hanif H,Barton JJ

doi

10.1068/p7698

subject

Has Abstract

pub_date

2014-01-01 00:00:00

pages

438-50

issue

5

eissn

0301-0066

issn

1468-4233

journal_volume

43

pub_type

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