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Rev Neurosci. 2000;11(2-3):147-58.

Proton magnetic resonance spectroscopy of the human brain in schizophrenia.

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1
Department of Veterans Affairs Medical Center, San Francisco, CA 94121, USA. deicken@itsa.ucsf.edu

Abstract

In vivo proton magnetic resonance spectroscopy (1H MRS) has been utilized by neuroimaging laboratories in recent years to reliably measure compounds such as N-acetylaspartate (NAA), choline (Cho), creatine (Cr), and to a lesser extent glutamate and glutamine in the human brain. To date, the most consistently replicated findings in schizophrenia are reduced NAA measures in the hippocampal regions. Since NAA is thought to be a neuronal/axonal marker and a measure of neuronal/axonal integrity, hippocampal NAA reductions have been interpreted as strong evidence for neuronal/axonal loss or dysfunction in this brain region. The evidence for neuronal loss or dysfunction based on NAA is less consistent for the frontal cortex and white matter, temporal cortex, basal ganglia, cingulate region, and thalamus in schizophrenia. Furthermore, there are no consistently replicated findings for choline or creatine alterations in any of the brain regions examined in schizophrenia. Finally, significant technical difficulties make reliable measurement of glutamine and glutamate problematic at the present time.

PMID:
10718151
[Indexed for MEDLINE]
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