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Published on: April 1, 2018
Potential pathomechanisms of ADHD based on neurometabolite changes
Veronika Husarova1, Igor Ondrejka, Ingrid Tonhajzerova
1Clinic of Psychiatry, Department of Physiology, Jessenius Faculty of Medicine, Comenius University, Martin, Slovakia. nika.husarova@gmail.com
Attention deficit hyperactivity disorder (ADHD) is a common childhood disorder. Magnetic resonance spectroscopy studies suggest brain network dysfunction and neurotransmitter imbalances may underlie ADHD symptoms.
Area of Science:
- Neuroscience
- Psychiatry
- Biochemistry
Background:
- Attention deficit hyperactivity disorder (ADHD) is a prevalent childhood psychiatric condition.
- The precise underlying pathomechanisms for ADHD core symptoms (hyperactivity, impulsivity, inattention) remain incompletely understood.
- Potential contributing factors include developmental dysfunction in the cortical-striatal-thalamic-cortical network and catecholamine neurotransmitter dysregulation.
Purpose of the Study:
- To explore potential pathomechanisms of ADHD.
- To investigate the role of brain biochemistry and metabolism in ADHD.
- To evaluate the utility of magnetic resonance spectroscopy in understanding ADHD.
Main Methods:
- Review of studies utilizing magnetic resonance spectroscopy (MRS).
- Analysis of in vivo brain measurements.
- Correlation of MRS findings with ADHD symptoms and proposed neurobiological models.
Main Results:
- MRS provides insights into molecular mechanisms of brain biochemical and metabolic processes.
- Evidence suggests a link between MRS-detectable brain alterations and ADHD.
- Hypothesized pathomechanisms involving catecholamine dysregulation and network dysfunction are supported by MRS data.
Conclusions:
- Magnetic resonance spectroscopy is a valuable tool for investigating the neurobiological underpinnings of ADHD.
- Further research using MRS can elucidate the complex pathomechanisms of ADHD.
- Understanding these mechanisms may lead to improved diagnostic and therapeutic strategies for ADHD.
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