Indian Journal of PsychiatryIndian Journal of Psychiatry
Home | About us | Current Issue | Archives | Ahead of Print | Submission | Instructions | Subscribe | Advertise | Contact | Login 
    Users online: 2324 Small font sizeDefault font sizeIncrease font size Print this article Email this article Bookmark this page
Search Again
 Back
 Table of Contents
 
 Similar in PUBMED
   Search Pubmed for
   Search in Google Scholar for
 Related articles
 Citation Manager
 Article Access Statistics
 Reader Comments
 Email Alert
 Add to My List
 * Requires registration (Free)
 

 Article Access Statistics
    Viewed1433    
    Printed41    
    Emailed0    
    PDF Downloaded288    
    Comments [Add]    

Recommend this journal

 
ORIGINAL ARTICLE
Year : 2013  |  Volume : 55  |  Issue : 4  |  Page : 331-337

Assessment of cognition in non-affected full biological siblings of patients with schizophrenia


1 Department of Psychiatry, All India Institute of Medical Sciences, New Delhi, India
2 Department of Psychiatry, King George's Medical University, Uttar Pradesh, Lucknow, India

Correspondence Address:
P K Dalal
Department of Psychiatry, King George's Medical University, Uttar Pradesh, Lucknow
India
Login to access the Email id

Source of Support: None, Conflict of Interest: None


PMID: 24459302

Rights and PermissionsRights and Permissions

Background: Schizophrenia is a devastating psychotic illness which is like the most mental disorders, shows complex inheritance; the transmission of the disorder most likely involves several genes and environmental factors. It is difficult to judge whether a particular person without schizophrenia has predisposing factors for the said disease. A few studies have shown the relative sensitivity and reliability of cognitive and psychophysiological markers of brain function as the susceptibility factors for schizophrenia which may aid us to find people with an increased risk of complex disorders like schizophrenia. The present work is an exploration on cognitive impairments in unaffected siblings of patients suffering from schizophrenia with a framework to explore why a mental disorder occurs in some families but not in others. Materials and Methods: This is a single point non-invasive study of non-affected full biological siblings of patients with schizophrenia, involving administration of a battery of neuropsychological tests to assess the cognitive function in the sibling group and a control group of volunteers with no history of psychiatric illness. The control group was matched for age, gender, and education. The siblings were also divided on the basis of the type of schizophrenia their siblings (index probands) were suffering from and their results compared with each other. Results: The siblings performed significantly poorly as compared to the controls on Wisconsin card sorting test (WCST), continuous performance test (CPT), and spatial working memory test (SWMT). The comparison between the sibling subgroups based on the type of schizophrenia in the index probands did not reveal any significant difference . Conclusion: These findings suggest that there is a global impairment in the cognition of the non-affected siblings of patients of schizophrenia. Cognitive impairment might be one of the factors which will help us to hit upon people who are predisposed to develop schizophrenia in the future.



[FULL TEXT] [PDF]*

        

Print this article         Email this article