Independence of Input and Output Phonology in Word Processing and Short-Term Memory

Recently, theorists have suggested a close relation between the codes activated during language processing and those involved in STM. In order to further investigate this relationship, we examined the performance of an anomic patient, MS, to determine whether he would exhibit the same impairment in...

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Bibliographic Details
Published in:Journal of memory and language 1999-07, Vol.41 (1), p.3-29
Main Authors: Martin, Randi C., Lesch, Mary F., Bartha, Michael C.
Format: Article
Language:English
Subjects:
Adult and adolescent clinical studies
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Human
Language
Language and communication disorders
Learning. Memory
Medical sciences
Memory
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Psychopathology. Psychiatry
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Summary:Recently, theorists have suggested a close relation between the codes activated during language processing and those involved in STM. In order to further investigate this relationship, we examined the performance of an anomic patient, MS, to determine whether he would exhibit the same impairment in retrieving phonology from semantics in short-term memory that he shows in picture naming. The results indicated a similar pattern of performance in naming and in STM tasks requiring retention of output phonological codes (those involved in production). However, MS performed at a high level on STM tasks requiring the retention of input phonological codes (those involved in perception). The findings support the following conclusions: semantic information contributes to STM, input and output phonological codes are separable and maintained in separate buffers, and the same pathway that underlies retrieval of phonology from semantics in naming underlies feedback from semantics in list recall.
ISSN:0749-596X
1096-0821
DOI:10.1006/jmla.1999.2637