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Relationship between psychiatric status and frontal–subcortical systems in HIV-infected individuals

Published online by Cambridge University Press:  20 March 2007

MICHAEL A. COLE ,
STEVEN A. CASTELLON ,
ADAM C. PERKINS ,
OSCAR S. URENO ,
MARTA B. ROBINET ,
MATTHEW J. REINHARD ,
TERRY R. BARCLAY  and
CHARLES H. HINKIN
MICHAEL A. COLE
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California
STEVEN A. CASTELLON
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California
ADAM C. PERKINS
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California
OSCAR S. URENO
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California
MARTA B. ROBINET
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California
MATTHEW J. REINHARD
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California
TERRY R. BARCLAY
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California
CHARLES H. HINKIN
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California
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Abstract

Human immunodeficiency virus (HIV)-infected adults frequently evidence both neurocognitive and psychiatric dysfunction. It was hypothesized that apathy and irritability, but not anxiety and depression, are related to HIV effects on frontal–subcortical systems. This hypothesis was evaluated by determining the degree to which these psychiatric features are associated with neurocognitive functioning that is dependent upon frontal–subcortical circuitry and, therefore, thought to be sensitive to the central nervous system effects of HIV. Rating scales assessing irritability, apathy, depression, and anxiety and a dual-task paradigm were administered to 189 HIV-seropositive (HIV+) and 53 HIV-seronegative participants. Deficits in dual-task performance and greater anxiety, depression, apathy, and irritability were observed in HIV+ participants. Simultaneous multivariate regression and communality analyses revealed that only apathy and irritability were associated with dual-task performance in HIV+ participants. Thus, these findings suggest that apathy and irritability, but not depression and anxiety, are likely associated with the effects of HIV on frontal–subcortical circuitry. (JINS, 2007, 13, 549–554.)

Keywords

Human immunodeficiency virusApathyIrritabilityDepressionAnxietyCognition
Type
BRIEF COMMUNICATION
Information
Journal of the International Neuropsychological Society , Volume 13 , Issue 3 , May 2007 , pp. 549 - 554
Copyright
© 2007 The International Neuropsychological Society

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