Neural networks for generation and suppression of alpha rhythma PET study
作者:
Norihiro Sadato,
Satoshi Nakamura,
Tsutomu Oohashi,
Emi Nishina,
Yoshitaka Fuwamoto,
Atsuo Waki,
Yoshiharu Yonekura,
期刊:
NeuroReport
(OVID Available online 1998)
卷期:
Volume 9,
issue 5
页码: 893-897
ISSN:0959-4965
年代: 1998
出版商: OVID
关键词: Alpha rhythm;Cerebral blood flow;Electroencephalogram;Positron emission tomography
数据来源: OVID
摘要:
TO study neuronal activities that influence the generation of the alpha rhythm, we used positron emission tomography and simultaneous recording of the electroencephalogram (EEG) in normal volunteers and under passive conditions. A negative correlation between regional cerebral blood flow and alpha power was found in the occipital cortex, consistent with the visual modality-specific reactivity of the alpha rhythm. A positive correlation was found in the pons, midbrain, hypothalamus, amygdala, the basal prefrontal cortex, insula and the right dorsal premotor cortex. Neuronal activities of the brain stem and limbic system that are positively correlated with alpha power may provide an anatomical basis for studies of the relationship between emotional state and brain rhythm in health and disease.
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