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Subthalamic nucleus stimulation is an effective therapy for alleviating parkinsonian tremor, rigidity and bradykinesia. Although microelectrode recording is said to be essential for accurate targeting, this often prolongs the operation and the multiple recording tracts required may increase the incidence of complications, particularly haemorrhage. We describe a technique for implantation of deep brain electrodes in the subthalamic nucleus using MRI/CT fusion for anatomical localisation followed by bipolar recording of focal field potentials via the implanted stimulating electrode for neurophysiological confirmation of the stimulation site. The technique is effective, safe and requires much less time, and can be used as an alternative method to microelectrode recording.

Original publication




Journal article


Stereotact Funct Neurosurg

Publication Date





63 - 73


Electric Stimulation Therapy, Humans, Magnetic Resonance Imaging, Microelectrodes, Parkinson Disease, Stereotaxic Techniques, Subthalamic Nucleus, Tomography, X-Ray Computed