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Spoken-word processing in aphasia: effects of item overlap and item repetition.
Brain Lang. 2008 Jun; 105(3):185-98.BL

Abstract

Two studies were carried out to investigate the effects of presentation of primes showing partial (word-initial) or full overlap on processing of spoken target words. The first study investigated whether time compression would interfere with lexical processing so as to elicit aphasic-like performance in non-brain-damaged subjects. The second study was designed to compare effects of item overlap and item repetition in aphasic patients of different diagnostic types. Time compression did not interfere with lexical deactivation for the non-brain-damaged subjects. Furthermore, all aphasic patients showed immediate inhibition of co-activated candidates. These combined results show that deactivation is a fast process. Repetition effects, however, seem to arise only at the longer term in aphasic patients. Importantly, poor performance on diagnostic verbal STM tasks was shown to be related to lexical decision performance in both overlap and repetition conditions, which suggests a common underlying deficit.

Authors+Show Affiliations

Janse E
Utrecht Institute of Linguistics OTS, Utrecht University, Janskerkhof 13, 3512 BL Utrecht, The Netherlands. esther.janse@let.uu.nl

MeSH

AdolescentAdultAphasiaAphasia, BrocaAphasia, WernickeHumansNeural InhibitionPhoneticsReaction TimeSpeech PerceptionSpeech Production MeasurementVocabulary

Pub Type(s)

Journal Article

Language

eng

PubMed ID

18023857

Citation

Janse, Esther. "Spoken-word Processing in Aphasia: Effects of Item Overlap and Item Repetition." Brain and Language, vol. 105, no. 3, 2008, pp. 185-98.
Janse E. Spoken-word processing in aphasia: effects of item overlap and item repetition. Brain Lang. 2008;105(3):185-98.
Janse, E. (2008). Spoken-word processing in aphasia: effects of item overlap and item repetition. Brain and Language, 105(3), 185-98.
Janse E. Spoken-word Processing in Aphasia: Effects of Item Overlap and Item Repetition. Brain Lang. 2008;105(3):185-98. PubMed PMID: 18023857.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Spoken-word processing in aphasia: effects of item overlap and item repetition. A1 - Janse,Esther, Y1 - 2007/11/19/ PY - 2007/04/10/received PY - 2007/09/14/revised PY - 2007/10/16/accepted PY - 2007/11/21/pubmed PY - 2008/8/22/medline PY - 2007/11/21/entrez SP - 185 EP - 98 JF - Brain and language JO - Brain Lang VL - 105 IS - 3 N2 - Two studies were carried out to investigate the effects of presentation of primes showing partial (word-initial) or full overlap on processing of spoken target words. The first study investigated whether time compression would interfere with lexical processing so as to elicit aphasic-like performance in non-brain-damaged subjects. The second study was designed to compare effects of item overlap and item repetition in aphasic patients of different diagnostic types. Time compression did not interfere with lexical deactivation for the non-brain-damaged subjects. Furthermore, all aphasic patients showed immediate inhibition of co-activated candidates. These combined results show that deactivation is a fast process. Repetition effects, however, seem to arise only at the longer term in aphasic patients. Importantly, poor performance on diagnostic verbal STM tasks was shown to be related to lexical decision performance in both overlap and repetition conditions, which suggests a common underlying deficit. SN - 1090-2155 UR - https://www.unboundmedicine.com/medline/citation/18023857/Spoken_word_processing_in_aphasia:_effects_of_item_overlap_and_item_repetition_ DB - PRIME DP - Unbound Medicine ER -