The Influence of Neighborhood Density on Phonetic Categorization in Aphasia
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-initia...
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| Veröffentlicht in: | Brain and language 1999-03, Vol.67 (1), p.46-70 |
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| creator | Boyczuk, Jeffrey P. Baum, Shari R. |
| description | 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. |
| doi_str_mv | 10.1006/brln.1998.2049 |
| format | Article |
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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.</description><subject>Adult</subject><subject>Adult and adolescent clinical studies</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Aphasia - diagnosis</subject><subject>Biological and medical sciences</subject><subject>Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes</subject><subject>Female</subject><subject>Humans</subject><subject>Language and communication disorders</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Nervous system (semeiology, syndromes)</subject><subject>Neurology</subject><subject>Phonetics</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychopathology. Psychiatry</subject><subject>Speech Acoustics</subject><subject>Speech Perception - physiology</subject><subject>Speech Production Measurement</subject><issn>0093-934X</issn><issn>1090-2155</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUtr3DAQgEVpaLZJrj0WH0pv3oxkS5aOYfsKDWkPCeQmZuVxrOCVNpK3kPz62uxCcwk9Dcx88-Abxj5wWHIAdb5OQ1hyY_RSQG3esAUHA6XgUr5lCwBTlaaq747Z-5wfADivNX_HjjlwM7XDgv286am4DN2wo-CoiF1xTf6-X8fUx9gWXyhkPz4VMRS_-xho9K5Y4Uj3MflnHP2U96G42PaYPZ6yow6HTGeHeMJuv329Wf0or359v1xdXJVYq2osHa4N6bYRyjXSoAAlTIemJg5CIlLbTtUKtZK6EkrKWnDXYSM5OCVd56oT9nk_d5vi447yaDc-OxoGDBR32WqpjJAV_BdURjVSi2oCl3vQpZhzos5uk99gerIc7OzZzp7t7NnOnqeGj4fJu_WG2hf4XuwEfDoAmB0OXcLgfP7HNVwLmBfrPUaTrz-eks3Oz59ofSI32jb61074C8fjmKk</recordid><startdate>19990301</startdate><enddate>19990301</enddate><creator>Boyczuk, Jeffrey P.</creator><creator>Baum, Shari R.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>8BM</scope><scope>7T9</scope></search><sort><creationdate>19990301</creationdate><title>The Influence of Neighborhood Density on Phonetic Categorization in Aphasia</title><author>Boyczuk, Jeffrey P. ; Baum, Shari R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a463t-cab9e8d726c759a20629fa94e1025aaedde8d3a865832655421cfa7510c65cfc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Adult</topic><topic>Adult and adolescent clinical studies</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Aphasia - diagnosis</topic><topic>Biological and medical sciences</topic><topic>Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes</topic><topic>Female</topic><topic>Humans</topic><topic>Language and communication disorders</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Nervous system (semeiology, syndromes)</topic><topic>Neurology</topic><topic>Phonetics</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychopathology. 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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.</abstract><cop>San Diego, CA</cop><pub>Elsevier Inc</pub><pmid>10191000</pmid><doi>10.1006/brln.1998.2049</doi><tpages>25</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adult Adult and adolescent clinical studies Aged Aged, 80 and over Aphasia - diagnosis Biological and medical sciences Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes Female Humans Language and communication disorders Male Medical sciences Middle Aged Nervous system (semeiology, syndromes) Neurology Phonetics Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Speech Acoustics Speech Perception - physiology Speech Production Measurement |
| title | The Influence of Neighborhood Density on Phonetic Categorization in Aphasia |
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