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          Institute: MPI für Psycholinguistik     Collection: Phonological Learning for Speech Perception     Display Documents



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ID: 295024.0, MPI für Psycholinguistik / Phonological Learning for Speech Perception
Lexically guided retuning of letter perception
Authors:Norris, Dennis; Butterfield, Sally; McQueen, James M.; Cutler, Anne
Language:English
Date of Publication (YYYY-MM-DD):2006
Title of Journal:The Quarterly Journal of Experimental Psychology
Volume:59
Issue / Number:9
Start Page:1505
End Page:1515
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Participants made visual lexical decisions to upper-case words and nonwords, and then categorized an
ambiguous N–H letter continuum. The lexical decision phase included different exposure conditions:
Some participants saw an ambiguous letter “?”, midway between N and H, in N-biased lexical contexts
(e.g., REIG?), plus words with unambiguousH(e.g., WEIGH); others saw the reverse (e.g., WEIG?,
REIGN). The first group categorized more of the test continuum as N than did the second group.
Control groups, who saw “?” in nonword contexts (e.g., SMIG?), plus either of the unambiguous
word sets (e.g., WEIGH or REIGN), showed no such subsequent effects. Perceptual learning
about ambiguous letters therefore appears to be based on lexical knowledge, just as in an analogous
speech experiment (Norris, McQueen, & Cutler, 2003) which showed similar lexical influence in
learning about ambiguous phonemes. We argue that lexically guided learning is an efficient general
strategy available for exploitation by different specific perceptual tasks.
External Publication Status:published
Document Type:Article
Communicated by:Anne Cutler
Affiliations:MPI für Psycholinguistik
Identifiers:DOI:10.1080/17470210600739494
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