Lexical-semantic retention and speech production

Further evidence from normal and brain-damaged participants for a phrasal scope of planning

Randi C. Martin, Michelle Miller, Hoang Vu

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The present study investigated the scope of planning in speech production by examining onset latencies for sentences describing moving picture displays. The experimental sentences began with either a simple or complex noun phrase, but were matched in length and content words. Results from young and old normal participants replicated previous findings of Smith and Wheeldon (1999) in showing longer onset latencies for sentences beginning with a complex noun phrase, supporting a phrasal scope of planning. Two aphasic patients were tested who, in previous studies, had shown a short-term memory deficit either in semantic retention (patient ML) or in phonological retention (patient EA). Patient ML showed a markedly greater disadvantage for the sentences beginning with a complex noun phrase whereas EA showed an effect within normal range. The present results from the patients, together with those from previous studies, indicate that the phrasal planning is occurring at a lexical-semantic level using a capacity that is also involved in comprehension.

Original languageEnglish (US)
Pages (from-to)625-644
Number of pages20
JournalCognitive Neuropsychology
Volume21
Issue number6
DOIs
StatePublished - Sep 2004

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Semantics
Brain
Memory Disorders
Short-Term Memory
Reference Values
Retention (Psychology)
Planning
Lexical Semantics
Brain-damaged
Speech Production
Noun Phrase
Latency
Onset

ASJC Scopus subject areas

  • Psychology(all)
  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology

Cite this

Lexical-semantic retention and speech production : Further evidence from normal and brain-damaged participants for a phrasal scope of planning. / Martin, Randi C.; Miller, Michelle; Vu, Hoang.

In: Cognitive Neuropsychology, Vol. 21, No. 6, 09.2004, p. 625-644.

Research output: Contribution to journalArticle

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