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标题

孤独症脑调控康复与效果评估研究

作者

李小俚, 王瑶, 欧阳高翔, 韩俊霞, 康健楠, 李炎烛

机构

北京师范大学脑与认知科学研究院,IDG/麦戈文脑科学研究院; 认知神经科学与学习国家重点实验室; 北京语言大学语言康复学院; 河北大学电子信息工程学院

摘要

本论文基于新兴脑调控技术,针对孤独症核心异常,对将重复经颅磁刺激(Repetitive Transcranial Magnetic Stimulation, rTMS)和神经反馈技术(Neurofeedback, NFB)应用于孤独症康复的作用机制和效果进行了深入研究。本文首先利用视觉认知任务,结合量化脑电(qEEG)分析方法,对与高级认知机制密切相关的皮层Gamma脑电节律在孤独症组和正常组之间进行比较和分析,进一步开展rTMS调控Gamma节律的效果和机制研究;同时,利用ERP视觉实验任务,对孤独症组和正常组的视觉认知机制进行比较研究,并在此基础上开展利用rTMS调控孤独症视觉认知机制的研究;进一步,基于孤独症存在脑电Gamma节律异常的这一特征,本论文开展了以“40Hz Gamma”脑电信号为操作条件的孤独症神经反馈干预研究。通过设置神经反馈(NFB)方案,来训练孤独症被试对Gamma节律脑电活动的自我控制和调节能力,通过强化和维持Gamma节律脑电活动来改善孤独症的高级认知功能。研究结果表明,rTMS和NFB能够以无损伤的方式,实现对孤独症异常认知和生理机制的调控,改善孤独症异常脑功能,进而减少孤独症的行为异常。

关键词

孤独症;重复经颅磁刺激;神经反馈;事件相关电位;Gamma节律;背外侧前额叶

引用

李小俚, 王瑶, 欧阳高翔, 韩俊霞, 康健楠, 李炎烛. 孤独症脑调控康复与效果评估研究.[J]. 北京师范大学学报(自然科学版),2016,52(6):773-780.

基金

国家自然科学基金资助项目(61273063)

分类号

R496

DOI

10.16360/j.cnki.jbnuns.2016.06.015

Title

Neurorehabilitation of ASD and Its Evaluation

Author

LI Xiaoli, WANG Yao, OU yang, GAO xiang, KANG Jiannan, LI Yanzhu

Affiliations

School of Brain and Cognitive Sciences, IDG/McGOVERN INSTITUE-BNU; State Key Laboratory of Cognitive Neuroscience and Learning; Allied Health School, Beijing Language and Culture University; Electronic Information Engineering College, Hebei University; School of ElectricalEngineering, Yanshan University

Abstract

In the present paper we discuss the mechanisms and effects of rTMS and NFB modulation on ASD by several cognitive experiments. First, control-test and comparative experiments were developed to measure gamma activities modulation by rTMS in ASD by quantitative EEG analysis based on visual cognitive tasks. Comparative studies between ASD and controls in ERP experiments showed that visual cognitive deficiencies could be effectively modulated by rTMS and capability of “attention selectivity” and “attention orientation” were improved markedly along with rTMS treatment. After analysis of gamma abnormalities in ASD, 40 Hz gamma rhythm was used as the operant condition for NFB modulation. It was found that “rTMS” and “NFB” interventions could effectively improve cognitive and physiological functions. Such treatments helped to maintain a better brain state, and decreased abnormalities in autistic children.

Key words

autism spectrum disorders; repetitive transcranial magnetic stimulation;neurofeedback;event-related potential;Gamma rhythm;DLPFC

cite

LI Xiaoli, WANG Yao, OU yang, GAO xiang, KANG Jiannan, LI Yanzhu. Neurorehabilitation of ASD and Its Evaluation[J]. Journal of Beijing Normal University (Natural Science), 2016,52(6):773-780.

DOI

10.16360/j.cnki.jbnuns.2016.06.015

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn