Functional Magnetic Resonance Imaging for Imaging Neural Activity in the Human Brain: The Annual Progress

被引:18
|
作者
Chen, Shengyong [1 ]
Li, Xiaoli [2 ]
机构
[1] Zhejiang Univ Technol, Coll Comp Sci & Technol, Hangzhou 310023, Zhejiang, Peoples R China
[2] Beijing Normal Univ, Natl Key Lab Cognitve Neurosci & Learning, Beijing 100875, Peoples R China
基金
中国国家自然科学基金;
关键词
HUMAN VISUAL-CORTEX; FMRI; MODEL;
D O I
10.1155/2012/613465
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Functional magnetic resonance imaging (fMRI) is recently developed and applied to measure the hemodynamic response related to neural activity. The fMRI can not only noninvasively record brain signals without risks of ionising radiation inherent in other scanning methods, such as CT or PET scans, but also record signal from all regions of the brain, unlike EEG/MEG which are biased towards the cortical surface. This paper introduces the fundamental principles and summarizes the research progress of the last year for imaging neural activity in the human brain. Aims of functional analysis of neural activity from fMRI include biological findings, functional connectivity, vision and hearing research, emotional research, neurosurgical planning, pain management, and many others. Besides formulations and basic processing methods, models and strategies of processing technology are introduced, including general linear model, nonlinear model, generative model, spatial pattern analysis, statistical analysis, correlation analysis, and multimodal combination. This paper provides readers the most recent representative contributions in the area.
引用
收藏
页数:9
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