LANGUAGE IN INDIA

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Volume 16:9 September 2016
ISSN 1930-2940

Managing Editor: M. S. Thirumalai, Ph.D.
Editors: B. Mallikarjun, Ph.D.
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         L. Ramamoorthy, Ph.D.
         C. Subburaman, Ph.D. (Economics)
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         Renuga Devi, Ph.D.
         Soibam Rebika Devi, M.Sc., Ph.D.
Assistant Managing Editor: Swarna Thirumalai, M.A.

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Analysis of Verbal Perseveration in Subcortical Aphasics

Girija P.C., M.Sc. Speech & Hearing
Sreeshma E.R., MASLP
Shiyona Sudheer, BASLP

Abstract

Aim: The present study aims to profile and compare the nature and frequency of verbal perseveratory characteristics in the speech of subcortical aphasics and normal elderly population.

Materials and Method: A total of 60 participants of 2 groups (native Malayalam speakers) in the age range of 40 – 80 years were included in the current study. Group I included 30 subcortical aphasics of basal ganglia lesion. Control group (group II) consisted of normal 30 elderly populations. Items of the tasks were selected from three standardized tests. Ten black and white pictures selected from Peabody picture vocabulary test (PPVT) for picture naming task and for defining functional task, ten words from Weschler's adult intelligence scale - WAIS (Weschler 1955) were selected for word defining task, four pictures depicting real life scenes were selected from Binet- Kamat test (Kamat 1963) for picture description task. For answering the question task, a short Malayalam story was given. Participants were instructed to answer five questions related to the story followed by narration. The tasks were analyzed individually and score of ‘0’ was given if perseverations were absent, a score of ‘1’ was given if perseverations were present. The number of utterances expressed by the subjects on each individual task was calculated. The total number of utterances was then obtained by combining all the number of utterances expressed by one group on one particular task. Similarly, total number of perseverations was calculated. The obtained data were subjected to statistical analysis using SPSS software and independent t – test was done to compare scores obtained across group.

Results and Discussion: The results from the present study reveals, when frequency of occurrence of verbal perseveration errors across groups were compared there was a significant difference between subcortical aphasics and normals (p<0.05). Results of the comparison of frequency of occurrence of verbal perseveration errors across group in each tasks showed a significant difference between groups. Group I exhibited more perseverative errors in picture naming task compared to normal. This could be probably due to picture naming tasks require activation of thalamus and basal ganglia. When three types of perseveration in each groups were analyzed, it was found that occurrence of recurrent type perseveration was more in subcortical aphasics. Stuck in set type perseveration were absent in both the groups. The current literature support the present findings recurrent perseveration is associated with damage to the left temporal and parietal regions and also to the people with aphasia following subcortical damage.

Keywords: Subcortical aphasia, Perseverative errors.

Introduction

Language is an important tool for communication. Most of the communication problems in adults are acquired which may be present after some kinds of brain damage, mental illness or dementia. Benson and Ardila (1996), defined that “aphasia is an impairment of language, affecting the production or comprehension of speech and the ability to read or write”. Robin and Schienberg (1990) claimed that subcortical lesions can also give rise to aphasic symptoms.

This is only the beginning part of the article. PLEASE CLICK HERE TO READ THE ENTIRE ARTICLE IN PRINTER-FRIENDLY VERSION.

Girija P.C., M Sc. Speech and Hearing
Department of Audiology and Speech Language Pathology
AWH Special College (Affiliated to Kerala University of Health Sciences)
Calicut-673003
Kerala
India
pcgirija@rediffmail.com

Sreeshma E. R., MASLP
Department of Audiology and Speech Language Pathology
AWH Special College (Affiliated to Kerala University of Health Sciences)
Calicut-673003
Kerala
India
sreeshmaer@gmail.com

Shiyona Sudheer, BASLP
Department of Audiology and Speech Language Pathology
AWH Special College (Affiliated to Kerala University of Health Sciences)
Calicut-673003
Kerala
India
awhkallai@awhspcialcollege.info
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