Abstract:
:The present study examined the contribution of lexically based sources of information to acoustic-phonetic processing in fluent and nonfluent aphasic subjects and age-matched normals. To this end, two phonetic identification experiments were conducted which required subjects to label syllable-initial bilabial stop consonants varying along a VOT continuum as either /b/ or /p/. Factors that were controlled included the lexical status (word/nonword) and neighborhood density values corresponding to the two possible syllable interpretations in each set of stimuli. Findings indicated that all subject groups were influenced by both lexical status and neighborhood density in making phonetic categorizations. Results are discussed with respect to theories of acoustic-phonetic perception and lexical access in normal and aphasic populations.
journal_name
Brain Langjournal_title
Brain and languageauthors
Boyczuk JP,Baum SRdoi
10.1006/brln.1998.2049subject
Has Abstractpub_date
1999-03-01 00:00:00pages
46-70issue
1eissn
0093-934Xissn
1090-2155pii
S0093-934X(98)92049-1journal_volume
67pub_type
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