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Titolo:
Comprehension of long distance number agreement in probable Alzheimer's disease
Autore:
Almor, A; MacDonald, MC; Kempler, D; Andersen, ES; Tyler, LK;
Indirizzi:
Univ So Calif, Dept Psychol, Los Angeles, CA 90089 USA Univ So Calif Los Angeles CA USA 90089 Psychol, Los Angeles, CA 90089 USA Univ So Calif, Dept Otolaryngol, Los Angeles, CA USA Univ So Calif Los Angeles CA USA , Dept Otolaryngol, Los Angeles, CA USA Univ So Calif, Sch Gerontol, Los Angeles, CA USA Univ So Calif Los Angeles CA USA alif, Sch Gerontol, Los Angeles, CA USA Univ So Calif, Dept Linguist, Los Angeles, CA 90089 USA Univ So Calif LosAngeles CA USA 90089 inguist, Los Angeles, CA 90089 USA Univ Cambridge, Dept Expt Psychol, Cambridge CB2 3EB, England Univ Cambridge Cambridge England CB2 3EB hol, Cambridge CB2 3EB, England Univ So Calif, Program Neural Informat & Behav Sci, Los Angeles, CA 90089 USA Univ So Calif Los Angeles CA USA 90089 hav Sci, Los Angeles, CA 90089 USA
Titolo Testata:
LANGUAGE AND COGNITIVE PROCESSES
fascicolo: 1, volume: 16, anno: 2001,
pagine: 35 - 63
SICI:
0169-0965(200102)16:1<35:COLDNA>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
SUBJECT-VERB AGREEMENT; SENTENCE COMPREHENSION; WORKING-MEMORY; CAPACITY THEORY; ONLINE; SPEECH; RESOLUTION; SYNTAX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Almor, A Univ So Calif, Dept Psychol, Hedco Neurosci Bldg, Los Angeles, CA90089 USA Univ So Calif Hedco Neurosci Bldg Los Angeles CA USA 90089 89 USA
Citazione:
A. Almor et al., "Comprehension of long distance number agreement in probable Alzheimer's disease", LANG COGN P, 16(1), 2001, pp. 35-63

Abstract

Two cross-modal naming experiments examined the role of working memory in processing sentences and discourses of various lengths. In Experiment 1, 10memory impaired patients with probable Alzheimer's disease (AD) and 10 healthy elderly control participants showed similar sensitivity to violations of subject-verb number agreement in a short sentence condition and similar degradation to this sensitivity in a long sentence condition. Performance in neither length condition correlated with performance on working memory tasks, suggesting that the processes involved in interpreting a grammatical dependency between adjacent and nonadjacent elements are different from those required in the working memory tasks. In Experiment 2, the same 10 AD patients were less sensitive than the 10 control participants to prounceantecedent number agreement violations in a short discourse condition, but neither group was affected by additional length. In this experiment, performance in both the short and long conditions correlated with working memory performance. These results show that grammatical and discourse dependencies pose different memory and processing demands, and that these differences are notsimply due to differences in the amount of intervening material between dependent words. The results also suggest that while the working memory deficits characteristic of AD do not interfere with on-line grammatical processing within sentences, they do compromise on-line discourse processing acrosssentences.

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Documento generato il 24/10/20 alle ore 10:48:40