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Comprehension in agrammatic aphasic ...

Li, Ligang.

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Comprehension in agrammatic aphasic patients: A selective impairment?

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Comprehension in agrammatic aphasic patients: A selective impairment?/
Author:	Li, Ligang.
Description:	181 p.
Notes:	Adviser: Cynthia K. Thompson.
Contained By:	Dissertation Abstracts International55-01B.
Subject:	Health Sciences, Speech Pathology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9415768

Comprehension in agrammatic aphasic patients: A selective impairment?
Li, Ligang.

Comprehension in agrammatic aphasic patients: A selective impairment? - 181 p.

Adviser: Cynthia K. Thompson.

Thesis (Ph.D.)--Northwestern University, 1993.

It is concluded that agrammatic aphasic patients as a group are impaired in comprehension at both the morphological and syntactic levels. Selective impairment is a characteristic of individual patients and needs to be studied as such.Subjects--Topical Terms:

1018105
Health Sciences, Speech Pathology.

Comprehension in agrammatic aphasic patients: A selective impairment?
LDR:03333nam 2200325 a 45 001 958592
005 20110704
008 110704s1993 ||||||||||||||||| ||eng d
035 $a (UMI)AAI9415768
035 $a AAI9415768
040 $a UMI $c UMI
100 1 $a Li, Ligang. $3 1282050
245 1 0 $a Comprehension in agrammatic aphasic patients: A selective impairment?
300 $a 181 p.
500 $a Adviser: Cynthia K. Thompson.
500 $a Source: Dissertation Abstracts International, Volume: 55-01, Section: B, page: 0092.
502 $a Thesis (Ph.D.)--Northwestern University, 1993.
520 $a It is concluded that agrammatic aphasic patients as a group are impaired in comprehension at both the morphological and syntactic levels. Selective impairment is a characteristic of individual patients and needs to be studied as such.
520 $a Research on agrammatism has established that agrammatic aphasic patients are impaired in production and comprehension. However, the linguistic level(s) at which such impairment occurs is not yet well clarified. In this study, comprehension by agrammatic aphasic subjects of negation, number agreement, and the past particle bound morpheme -ed were investigated at the morphological and syntactic levels, respectively, in an attempt to delineate the level(s) of deficit in agrammatic comprehension.
520 $a Eight agrammatic aphasic subjects and eight matched controls participated individually in an experiment that consisted of word/sentence-picture matching and sentence completion tasks. In a word/sentence-picture matching task, subjects were presented with a stimulus visually and auditorily and required to point to one of three choices. In a sentence completion task, they were presented with an incomplete sentence and asked to point to one of three choices.
520 $a Subjects were assessed on comprehension of lexicalized negation, morphological negation, syntactic negation in simple sentences, syntactic negation with moved not, syntactic negation with unmoved not, simple positive sentences, complex positive sentences; morphological number agreement, syntactic number agreement, morphological bound -ed, passive sentences, and active sentences.
520 $a Results revealed that: (a) Compared with controls, agrammatic aphasic subjects as a group were impaired in comprehending all three linguistic phenomena mentioned above at both the morphological and syntactic levels. (b) As a group, agrammatic aphasic subjects were equally impaired at the morphological and syntactic levels and across the three linguistic phenomena; however, (c) analysis of individual subject performance patterns revealed some dissociations between phenomena and levels, indicating the need for careful inspection of performance on a case by case basis. (d) There was a tendency that impairment at the morphological level would predict impairment at the syntactic level. (e) Comprehension deficits in the agrammatic aphasic subjects under study could not be attributed to deficits in short term memory.
590 $a School code: 0163.
650 4 $a Health Sciences, Speech Pathology. $3 1018105
650 4 $a Language, Linguistics. $3 1018079
650 4 $a Literature, English. $3 1017709
690 $a 0290
690 $a 0460
690 $a 0593
710 2 $a Northwestern University. $3 1018161
773 0 $t Dissertation Abstracts International $g 55-01B.
790 $a 0163
790 1 0 $a Thompson, Cynthia K., $e advisor
791 $a Ph.D.
792 $a 1993
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9415768