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Abstract #3942

Transversal Gradient Compensation in Three-Sided MRI Magnets

Franco Bertora1, Alice Borceto1, Andrea Viale1

1Robotics, Brain and Cognitive Sciences, Italian Institute of Technology, GENOVA, GE, Italy

The design of a fMRI magnet for the study of the human motor cortex poses a number of challenges due to the necessity of maintaining the subject in a natural, erect position, with free access to the environment. One way of meeting the challenge is to center the design around a three-dimensional finite configuration containing a closed cavity where the field is homogeneous. When the cavity is open to allow patient access a strong gradient arises that needs to be compensated without compromising the structure efficiency.