Postnatal Brain Development and Psychotropic Drugs. Effects on Animals and Animal Models of Depression and Attention-Deficit/Hyperactivity Disorder

Author(s): Nathalie Bock, Manfred Gerlach, Aribert Rothenberger.

Journal Name: Current Pharmaceutical Design

Volume 16 , Issue 22 , 2010

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Abstract:

In recent years an increased use of psychotropic medication in children has been observed, but little is known about the influence of this medication on brain maturation. Probably, because of methodological problems and/or ethical aspects. It means that only naturalistic observational studies might allow to get some insight in humans. But even animal studies touching this issue are scarce and heterogeneous. Nevertheless, postnatal brain development is highly sensitive to the effects of psychotropic drugs, either in the shortand/ or long-term. Therefore, more and better information is needed. The main targets of psychotropic drugs are the monoaminergic transmitter systems that are related to brain networks for motor behavior, motivation, emotion, and cognition. In order to elucidate the mechanisms of drug development interactions and their long-term consequences on brain and behavior, animal studies might provide a good basis for a better understanding and guidance of research in humans. Hence, this article reviews the possible influence of those psychotropic drugs on postnatal brain development in animals (mostly rats and rodents) which are widely used to treat common psychiatric disorders in children and adolescents like depression and attention-deficit/hyperactivity disorder (ADHD). Moreover this review refers to the obvious problems of the available animal studies (including experimental animal models of child psychiatric disorders) which seem to be of limited value in translating experimental knowledge to the complexity of clinical understanding and practice.

Keywords: Brain development, SSRIs, Stimulants, antidepressants, ADHD, depression, animals

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Article Details

VOLUME: 16
ISSUE: 22
Year: 2010
Page: [2474 - 2483]
Pages: 10
DOI: 10.2174/138161210791959836
Price: $58

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