生命科学联合中心学术报告

题目：Spatial accuracy of fMRI signals: the role of high magnetic fields

主讲人：KAMIL UGURBIL, Ph.D.

Professor and director

Center for Magnetic Resonance Research

University of Minnesota Medical School

时间：2016-4-27（周三），14:00-15:00

地点：北京大学金光生命科学大楼101报告厅

邀请人：方方  北大-清华生命科学联合中心

摘要：

In the last two and a half decades, magnetic resonance methods aimed at imaging neuronal activity have transformed our ability to study the human brain. This development relied on an extensive set of experiments that examined the mechanisms underpinning the functional imaging signals, tackling questions about the spatial specificity of the neurovascular coupling and the connection between hemodynamic and metabolic consequences of neuronal activity and the perturbations on MR detected signals. These studies, conducted on animal models as well as in humans, have provided a rigorous, albeit as of yet incomplete, understanding of the mechanisms underlying the functional mapping signals that reflect neuronal activity, leading to the use of ever increasing magnetic fields to gain accuracy and resolution and to new imaging and image reconstruction methods.

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