Journal List > Dement Neurocogn Disord > v.11(2) > 1120802

Dement Neurocogn Disord. 2012 Jun;11(2):53-58. Korean.
Published online Jun 30, 2012.  https://doi.org/10.12779/dnd.2012.11.2.53
Copyright© 2012 Korean Dementia Association
A Comparison on the Naming Abilities by Modality in Patients with Alzheimer's Disease
Hyunjin Kim, M.A. and Hyunjoo Choi, Ph.D.*
Graduate School of Rehabilitation Service, Korea Nazarene University, Cheonan, Korea.
*Department of Communication Disorders, Korea Nazarene University, Cheonan, Korea.

Address for correspondence: Hyunjoo Choi, Ph.D. Department of Communication Disorders, Korea Nazarene University, 456 Ssangyong-dong, Cheonan 330-718, Korea. Tel: +82-41-570-1677, Fax: +82-41-570-7846, Email: hjchoi@kornu.ac.kr
Received Feb 29, 2012; Revised May 08, 2012; Accepted May 08, 2012.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


Abstract

Background

Impairments of language function represent patients with Alzheimer's disease (AD) from the early stage and as the disease progresses the damage spreads over a much broader range of cognition and communicative functions. And, performances of the naming tasks in AD patients may reveal the gradual deterioration of their naming ability.

Methods

In this study, naming ability was studied in patients with questionable AD (CDR 0.5, n=10), mild AD (CDR 1, n=10), moderate AD (CDR 2, n=10) and 10 healthy controls matched for age, gender and educational level using confrontation naming and naming by verbal definition tasks. The purpose of present study was 1) to investigate whether the confrontation naming and naming by verbal definition in Alzheimer's disease is different depending on the severity, 2) to examine the effects of the syllabic cue on the two naming ability for the errors questions.

Results

The results from this study are as follow: 1) The two naming performances of the all AD groups were lower than those of normal people and showed significant difference. 2) There were differences between the two naming tasks, significantly lower performance on confrontation naming task than naming by verbal definition. 3) The effects of syllabic cue decreased gradually as severity progressed. 4) The effects of syllabic cue were no significant differences between the two naming tasks.

Conclusions

The results suggest that anomia in patients with AD is due to various impairment including to lexico-semantic system, visual processing, phonological processing and auditory comprehension.

Keywords: Naming; Confrontation naming; Verbal definition; Alzheimer's disease; Modality

Figures


 Fig. 1
Naming performances of tasks of confrontation naming and naming by verbal definition.
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Fig. 2
Correct ratio of confrontation naming and naming by verbal definition after syllabic cue.
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Tables


 Table 1
The characteristics of the subjects
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Table 2
Results of the naming task by modality
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Table 3
Results of the mixed ANOVA in naming task by modality
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Table 4
Results of the naming tasks by modality after syllabic cue
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Table 5
Results of the mixed ANOVA in syllabic cue
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