EMG activity and neuronal activity in the internal globus pallidus (GPi) and their interaction are different between hemiballismus and apomorphine induced dyskinesias of Parkinson’s disease (AID)

Zhao, Li; Kim, J.H.; Liu, C.C.; Lenz, F. A.

doi:10.1016/j.brainres.2015.01.044

Brain Research

2015

DOI: 10.1016/j.brainres.2015.01.044

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EMG activity and neuronal activity in the internal globus pallidus (GPi) and their interaction are different between hemiballismus and apomorphine induced dyskinesias of Parkinson’s disease (AID)

Li Zhao

J.H. Kim

C.C. Liu

et al.

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A real-time artifact reduction algorithm based on precise threshold during short-separation optical probe insertion in neurosurgery

Liu

et al. 2017

J. Innov. Opt. Health Sci.

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During neurosurgery, an optical probe has been used to guide the micro-electrode, which is punctured into the globus pallidus (GP) to create a lesion that can relieve the cardinal symptoms. Accurate target localization is the key factor to a®ect the treatment. However, considering the scattering nature of the tissue, the \look ahead distance (LAD)" of optical probe makes the boundary between the di®erent tissues blurred and di±cult to be distinguished, which is de¯ned as artifact. Thus, it is highly desirable to reduce the artifact caused by LAD. In this paper, a real-time algorithm based on precise threshold was proposed to eliminate the artifact. The value of the threshold was determined by the maximum error of the measurement system during the calibration procession automatically. Then, the measured data was processed sequentially only based on the threshold and the former data. Moreover, 100 m double-¯ber probe and two-layer and multi-layer phantom models were utilized to validate the precision of the algorithm. The error of the algorithm is one puncture step, which was proved in the theory and experiment. It was concluded that the present method could reduce the artifact caused by LAD and make the real boundary sharper and less blurred in real-time. It might be potentially used for the neurosurgery navigation.

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A real-time artifact reduction algorithm based on precise threshold during short-separation optical probe insertion in neurosurgery

Liu

et al. 2017

J. Innov. Opt. Health Sci.

View full text Add to dashboard Cite

show abstract

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EMG activity and neuronal activity in the internal globus pallidus (GPi) and their interaction are different between hemiballismus and apomorphine induced dyskinesias of Parkinson’s disease (AID)

Cited by 1 publication

References 49 publications

A real-time artifact reduction algorithm based on precise threshold during short-separation optical probe insertion in neurosurgery

A real-time artifact reduction algorithm based on precise threshold during short-separation optical probe insertion in neurosurgery

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