Short-term memory, working memory, and syntactic comprehension in aphasia

被引:61
作者
Caplan, David [1 ]
Michaud, Jennifer [1 ]
Hufford, Rebecca [1 ]
机构
[1] Massachusetts Gen Hosp, Dept Neurol, Neuropsychol Lab, Boston, MA 02114 USA
关键词
Short-term memory; Working memory; Syntactic comprehension; Aphasia; SENTENCE COMPREHENSION; WORD-LENGTH; INDIVIDUAL-DIFFERENCES; ALZHEIMERS-DISEASE; PHONOLOGICAL LOOP; CAPACITY THEORY; SERIAL ORDER; LANGUAGE; ONLINE; AGE;
D O I
10.1080/02643294.2013.803958
中图分类号
B84 [心理学];
学科分类号
010107 [宗教学];
摘要
Sixty-one people with aphasia were tested on 10 tests of short-term memory (STM) and for the ability to use syntactic structure to determine the meanings of 11 types of sentences in three tasksobject manipulation, picture matching, and picture matching with self-paced listening. Multilevel models showed relationships between measures of the ability to retain and manipulate item and order information in STM and accuracy and reaction time (RT), and a greater relationship between these STM measures and accuracy and RT for several more complex sentence types in individual tasks. There were no effects of measures of STM that reflect the use of phonological codes or rehearsal on comprehension. There was only one effect of STM measures on self-paced listening times. There were double dissociations between performance on STM and individual comprehension tasks, indicating that normal STM is not necessary to perform normally on these tasks. The results are most easily related to the view that STM plays a facilitatory role in supporting the use of the products of the comprehension process to accomplish operations related to tasks.
引用
收藏
页码:77 / 109
页数:33
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