A study on the neuronal mechanism of retrieval of long-term digital memory in human by functional magnetic resonance imaging

To investigate the neuronal mechanism of retrieval of long-term digital memory in healthy volunteers, functional magnetic resonance imaging (fMRI) technique was used in the study. Twenty-two right-handed volunteers were subjected to a long-term digital memory test with block-design. The memory task...

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Bibliographic Details
Published inSheng li hsüeh pao Vol. 63; no. 4; p. 319
Main Authors Wu, Yong-Ming, Bai, Lin, Zhang, Zeng-Qiang, Zheng, Jin-Long, Han, Li-Xin, Shu, Si-Yun
Format Journal Article
LanguageChinese
Published China 25.08.2011
Subjects
Adolescent
Brain - physiology
Female
Humans
Image Processing, Computer-Assisted
Magnetic Resonance Imaging
Male
Memory, Long-Term - physiology
Parietal Lobe - physiology
Young Adult
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Summary:To investigate the neuronal mechanism of retrieval of long-term digital memory in healthy volunteers, functional magnetic resonance imaging (fMRI) technique was used in the study. Twenty-two right-handed volunteers were subjected to a long-term digital memory test with block-design. The memory task and control task were adopted in the experiment alternatively. The fMRI data were recorded by a Siemens 1.5T MR machine and analyzed by SPM99. The activated brain regions were shown in the Talairach coordinate. The results showed that the Brodmann's area (BA) 9 region in left middle frontal gyrus was the most activated cortex during the long-term digital memory task. The left medial frontal gyrus, left inferior frontal gyrus, right inferior frontal gyrus, cingulate gyrus, left inferior parietal lobule, left superior parietal lobule, right superior parietal lobule, right middle temporal gyrus, left lingual gyrus, left middle occipital gyrus, right middle brain, cerebellum and right caudate nucleus tail were also inv
ISSN:0371-0874