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ISSN 0138-7103 (Print)

2016, Number 2

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Revista del Hospital Psiquiátrico de La Habana 2016; 13 (2)

Caracterization by dynamic facial emotion recognition as a possible marker of susceptibility to schizophrenia

Mendoza QR, Caballero MA, Guerra S, Martin RM

Language: Spanish
References: 22
Page:
PDF size: 108.63 Kb.


ABSTRACT

Introduction: Several studies have documented that the alterations in emotional recognition is heritable and constitute endophenotype markers for schizophrenia, however, these studies have been develop with static faces. It has been reported that using dynamic faces there is higher activation of neural circuits involved in emotional recognition and then could be an endophenotype for the illness.
Objective: To evaluate heritability criteria for emotional recognition in a sample of Cuban patients.
Methods: A transversal study was carried out. The sample was composed by 96 patients with diagnosis of schizophrenia according to the DSM-IV criteria’s. For the study, were evaluated 192 first-degree relatives of the patients and 107 healthy subjects as controls. To consider clinical evaluation, clinimetric scales and the emotional recognition test with dynamic facial expressionswere applied.
Results: In spite ofevidence of family association previous reported, rates of heritability for the 6 emotion explored were low.
Conclusions: Low heritability suggest higher effect of environmental factors than genetic factor for emotional recognition with dynamic faces. However, there is no enough evidence for it to be an endophenotype for schizophrenia.


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