THE P300 EVENT-RELATED POTENTIALS IN DEMENTIA OF THE ALZHEIMER TYPE - CORRELATIONS BETWEEN P300 AND MONOAMINE METABOLITES

被引：58
|
作者：
ITO, J
YAMAO, S
FUKUDA, H
MIMORI, Y
NAKAMURA, S
机构：
[1] Laboratory of EEG, EMG, Department of Neurology, Kyoto
来源：
ELECTROENCEPHALOGRAPHY AND CLINICAL NEUROPHYSIOLOGY | 1990年 / 77卷 / 03期
关键词：
Dementia; Event-related potentials; Monoamine metabolites; P300;
D O I：
10.1016/0168-5597(90)90035-C
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
We studied auditory event-related potentials (ERPs) in 40 patients with dementia of the Alzheimer type (DAT). Peak latencies and amplitudes of N100, P200 and P300 components were measured. To study the possible relationships between the ERPs and monoaminergic neurotransmitter functions, CSF neurotransmitter metabolites were also analyzed. In patients with DAT, the P300 amplitude was significantly reduced and the P300 latency was prolonged. CSF concentrations of 5-hydroxyindoleacetic acid (5-HIAA) and homovanillic acid (HVA) were decreased. The P300 amplitude was significantly correlated with the 5-HIAA concentration. There were no correlations between the P300 components and the HVA concentration. These findings suggest that the serotonergic system modulates the P300 component of ERPs in patients with DAT. © 1990.
引用
收藏
页码：174 / 178
页数：5
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