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Imaging genomics
Ahmad R Hariri1, Daniel R Weinberger
1Clinical Brain Disorders Branch, Intramural Research Program, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland 20892, USA.
British Medical Bulletin
|April 17, 2003
Summary
Functional neuroimaging reveals how genetic variations impact brain function, offering insights into complex behaviors and neuropsychiatric disorders like Alzheimer's and schizophrenia.
Area of Science:
- Neuroscience
- Genetics
- Psychiatry
Background:
- The human genome sequence offers insights into genetic influences on behavior and neuropsychiatric illness.
- Functional neuroimaging can assay brain information processing to study these genetic links.
Purpose of the Study:
- To explore the genetic basis of individual differences in complex behaviors.
- To investigate vulnerability to neuropsychiatric illness using functional genomics.
Main Methods:
- Utilizing functional magnetic resonance imaging (fMRI) to study brain activity.
- Correlating genetic polymorphisms with brain function in healthy volunteers.
Main Results:
- fMRI studies have identified physiological links between genetic polymorphisms and differences in brain information processing.
- These differences are observed in brain regions associated with diseases like Alzheimer's, schizophrenia, and anxiety disorders.
- Significant findings were revealed in healthy volunteers without observable behavioral differences.
Conclusions:
- Functional neuroimaging, particularly fMRI, is a powerful tool for exploring the functional impact of genetic variation.
- This approach can uncover the biological underpinnings of complex behaviors and neuropsychiatric conditions.