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Memory Process in Demented and Non-Demented Elderly Patients

AUTHORS

A Mani 1 , * , T Hashemi 2 , H Haghshenas 3 , MT Garouci Farshi 2 , AH Shariat 3

AUTHORS INFORMATION

1 Assistant Professor of Cognitive Neuroscience, Department of Psychiatry, Shiraz University of Medical Sciences, mania@sums.ac.ir, Fars, Iran

2 Department of Psychology, Tabriz University, East Azerbayjan, Iran

3 Department of Psychiatry, Shiraz University of Medical Science, Fars, Iran

How to Cite: Mani A, Hashemi T, Haghshenas H, Garouci Farshi M, Shariat A. Memory Process in Demented and Non-Demented Elderly Patients, Iran Red Crescent Med J. Online ahead of Print ; 12(5):525-528.

ARTICLE INFORMATION

Iranian Red Crescent Medical Journal: 12 (5); 525-528
Article Type: Research Article
Received: November 10, 2009
Accepted: April 26, 2010

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Abstract

Background: Dementia is characterized by progressive memory loss and other cognitive impairments. Memory impairments are apparent on tasks that require learning and retention of verbal or non-verbal information. Demented patients present severe impairments on recognition and recalling tasks. They have severe deficits in transferring information in to a long-term storage system. The present study investigated any difference between various memory processes in different reproduction phases contribute to discrimination between demented and non-demented elderly patients.

 

Methods: Thirty one demented and 25 non-demented elderly patients were selected according to inclusion criteria; all of them were visited by a physician completing the Mini Mental Status Examination (MMSE) and California Verbal Learning Test-Persian version (CVLT-P).

 

Results: Although demented and non-demented elderly subjects had no difference in relation to age and education, differences on clinical variables were significant and demented patients showed lower means than non-demented ones. A discriminate function analysis showed that CVLT-P had the ability to differentiate between demented and non-demented elderly patients and could correctly classify 94.3% of demented and non-demented older adults.

 

Conclusion: Findings suggest that CVLT-P could discriminate satisfaction between these two groups and according to subscales, learning slope had the highest discrimination coefficient. So demented patients had more deficits in hippocampus causing failure of learning.

 

Keywords

Neuropsychology Memory dementia CVLT Iran

© 0, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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