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- W3030392302 abstract "Objective To identify the possible alteration of brain functioning in prefrontal lobes and hippocampus in the first-episode positive symptoms of schizophrenia using proton magnetic resonance spectroscopy (1H-MRS). Methods 1H-MRS was performed on prefrontal white matter, anterior cingulated cortex and hippocampus in 22 patients and 11 age-, sex-, and education-matched right-handed healthy controls. The ratios of N-acetylaspartate (NAA)/creatine (Cr) and choline-containing compounds (Cho)/Cr were calculated. Results The NAA/Cr and Cho/Cr ratios in the left prefrontal white matter in patients were lower than that in normal controls (patients, NAA/Cr 1. 63 ±0. 30; Cho/Cr 1. 23 ±0. 26; controls, NAA/Cr 2. 10 ±0. 30; Cho/Cr 1. 54 ± 0. 25, P 0. 05). The ratio of NAA/Cr in the right hippocampus was significantly higher in patients than that in controls (patients 1. 59 ± 0. 27; controls 1. 24 ± 0. 17, P<0. 01). In addition, in healthy controls,Cho/Cr was significantly higher in the left prefrontal white matter than in the right (left 1. 54 ± 0. 25; right 1. 35 ±0. 18, P<0. 05) , and NAA/Cr in the left hippocampus was significantly higher than in the right (left 1. 45 ± 0. 28; right 1. 24 ± 0. 17, P<0. 05). While NAA/Cr and Cho/Cr in the left hippocampus were significantly lower than in the right hippocampus in schizophrenia patients (left, NAA/Cr 1.43 ± 0. 27;Cho/Cr 1.39 ±0.38; right, NAA/Cr 1.59 ±0.27; Cho/Cr 1.56 ±0.39, P<0.05). Conclusion There is the significant difference of manifestation of 1H-MRS between schizophrenia patients with positive symptoms and normal controls, which reflects neuronal dysfunction in the prefrontal lobes and hippocampus.Key words: Schizophrenia; Frontal lobe; Hippocampus; Magnetic resonance spectroscopy" @default.
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- W3030392302 date "2011-08-05" @default.
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- W3030392302 title "A proton magnetic resonance spectroscopy imaging study on prefrontal lobe and hippocampus in patients with first-episode positive symptoms of schizophrenia" @default.
- W3030392302 doi "https://doi.org/10.3760/cma.j.issn.1006-7884.2011.03.003" @default.
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