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Ronald Tasker

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Ronald R Tasker
One man's recollection of 50 years of functional and stereotactic neurosurgery.
Zelma H T Kiss; Marshall Wilkinson; Jerry Krcek; Oksana Suchowersky; Bin Hu; William F Murphy; Doug Hobson; Ronald R Tasker
Is the target for thalamic deep brain stimulation the same as for thalamotomy?
Zelma H T Kiss; Karen D Davis; Ronald R Tasker; Andres M Lozano; B Hu; Jonathan O Dostrovsky
Kinaesthetic neurons in thalamus of humans with and without tremor.

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All Publications

2004: Ronald R Tasker
One man's recollection of 50 years of functional and stereotactic neurosurgery.
Neurosurgery 2004;55(4):968-74; discussion 974-6.
2003: Zelma H T Kiss; Marshall Wilkinson; Jerry Krcek; Oksana Suchowersky; Bin Hu; William F Murphy; Doug Hobson; Ronald R Tasker
Is the target for thalamic deep brain stimulation the same as for thalamotomy?
Movement disorders : official journal of the Movement Disorder Society 2003;18(10):1169-75.
2003: Zelma H T Kiss; Karen D Davis; Ronald R Tasker; Andres M Lozano; B Hu; Jonathan O Dostrovsky
Kinaesthetic neurons in thalamus of humans with and without tremor.
Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale 2003;150(1):85-94.
2001: Ronald R Tasker
Microelectrode findings in the thalamus in chronic pain and other conditions.
Stereotactic and functional neurosurgery 2001;77(1-4):166-8.
2000: Jonathan O Dostrovsky; Ron Levy; J P Wu; William D Hutchison; Ronald R Tasker; Andres M Lozano
Microstimulation-induced inhibition of neuronal firing in human globus pallidus.
Journal of neurophysiology 2000;84(1):570-4.
2000: Karen D Davis; William D Hutchison; Andres M Lozano; Ronald R Tasker; Jonathan O Dostrovsky
Human anterior cingulate cortex neurons modulated by attention-demanding tasks.
Journal of neurophysiology 2000;83(6):3575-7.
2000: M N Linhares; Ronald R Tasker
Microelectrode-guided thalamotomy for Parkinson's disease.
Neurosurgery 2000;46(2):390-5; discussion 395-8.
2000: Karen D Davis; E Taub; F Duffner; Andres M Lozano; Ronald R Tasker; Sylvain Houle; Jonathan O Dostrovsky
Activation of the anterior cingulate cortex by thalamic stimulation in patients with chronic pain: a positron emission tomography study.
Journal of neurosurgery 2000;92(1):64-9.
1999: Ronald R Tasker
"The Second Ice Age".
The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques 1999;26(3):242.
1999: Peter Pahapill; Ron Levy; Jonathan O Dostrovsky; Karen D Davis; A R Rezai; Ronald R Tasker; Andres M Lozano
Tremor arrest with thalamic microinjections of muscimol in patients with essential tremor.
Annals of neurology 1999;46(2):249-52.
1999: William D Hutchison; Karen D Davis; Andres M Lozano; Ronald R Tasker; Jonathan O Dostrovsky
Pain-related neurons in the human cingulate cortex.
Nature neuroscience 1999;2(5):403-5.
1999: V Radhakrishnan; J Tsoukatos; Karen D Davis; Ronald R Tasker; Andres M Lozano; Jonathan O Dostrovsky
A comparison of the burst activity of lateral thalamic neurons in chronic pain and non-pain patients.
Pain 1999;80(3):567-75.
1999: Karen D Davis; R M Lozano; M Manduch; Ronald R Tasker; Zelma H T Kiss; Jonathan O Dostrovsky
Thalamic relay site for cold perception in humans.
Journal of neurophysiology 1999;81(4):1970-3.
1999: Robert E Gross; WJ Lombardi; Anthony E Lang; J Duff; William D Hutchison; Jean A Saint-Cyr; Ronald R Tasker; Andres M Lozano
Relationship of lesion location to clinical outcome following microelectrode-guided pallidotomy for Parkinson's disease.
Brain : a journal of neurology 1999;122 ( Pt 3)():405-16.
1999: Ali R Rezai; Andres M Lozano; A P Crawley; M L Joy; Karen D Davis; Chun L Kwan; J O Dostrovsky; Ronald R Tasker; David J Mikulis
Thalamic stimulation and functional magnetic resonance imaging: localization of cortical and subcortical activation with implanted electrodes. Technical note.
Journal of neurosurgery 1999;90(3):583-90.
1999: Robert E Gross; WJ Lombardi; William D Hutchison; S Narula; Jean A Saint-Cyr; Jonathan O Dostrovsky; Ronald R Tasker; Anthony E Lang; Andres M Lozano
Variability in lesion location after microelectrode-guided pallidotomy for Parkinson's disease: anatomical, physiological, and technical factors that determine lesion distribution.
Journal of neurosurgery 1999;90(3):468-77.
1999: Anthony E Lang; Andres M Lozano; E B Montgomery; Ronald R Tasker; William D Hutchison
Posteroventral medial pallidotomy in advanced Parkinson's disease.
Advances in neurology 1999;80():575-83.
1998: Ronald R Tasker
Ablative therapy for movement disorders. Does thalamotomy alter the course of Parkinson's disease?
Neurosurgery clinics of North America 1998;9(2):375-80.
1998: Ronald R Tasker
Deep brain stimulation is preferable to thalamotomy for tremor suppression.
Surgical neurology 1998;49(2):145-53; discussion 153-4.
1998: Karen D Davis; Zelma H T Kiss; L Luo; Ronald R Tasker; Andres M Lozano; Jonathan O Dostrovsky
Phantom sensations generated by thalamic microstimulation.
Nature 1998;391(6665):385-7.
1998: Karen D Davis; Andres M Lozano; Ronald R Tasker; Jonathan O Dostrovsky
Brain targets for pain control.
Stereotactic and functional neurosurgery 1998;71(4):173-9.
1998: Andres M Lozano; William D Hutchison; Ronald R Tasker; Anthony E Lang; F Junn; J O Dostrovsky
Microelectrode recordings define the ventral posteromedial pallidotomy target.
Stereotactic and functional neurosurgery 1998;71(4):153-63.
1997: E T Kiriakopoulos; Ronald R Tasker; S Nicosia; Michael L Wood; David J Mikulis
Functional magnetic resonance imaging: a potential tool for the evaluation of spinal cord stimulation: technical case report.
Neurosurgery 1997;41(2):501-4.
1997: Karen D Davis; E Taub; S Houle; Anthony E Lang; Jonathan O Dostrovsky; Ronald R Tasker; Andres M Lozano
Globus pallidus stimulation activates the cortical motor system during alleviation of parkinsonian symptoms.
Nature medicine 1997;3(6):671-4.
1997: R Loch Macdonald; M G Fehlings; C H Tator; Andres M Lozano; J R Fleming; F Gentili; M Bernstein; M C Wallace; Ronald R Tasker
Multilevel anterior cervical corpectomy and fibular allograft fusion for cervical myelopathy.
Journal of neurosurgery 1997;86(6):990-7.
1997: Ronald R Tasker; Anthony E Lang; Andres M Lozano
Pallidal and thalamic surgery for Parkinson's disease.
Experimental neurology 1997;144(1):35-40.
1997: William D Hutchison; Andres M Lozano; Ronald R Tasker; Anthony E Lang; J O Dostrovsky
Identification and characterization of neurons with tremor-frequency activity in human globus pallidus.
Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale 1997;113(3):557-63.
1997: J Tsoukatos; Zelma H T Kiss; Karen D Davis; Ronald R Tasker; Jonathan O Dostrovsky
Patterns of neuronal firing in the human lateral thalamus during sleep and wakefulness.
Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale 1997;113(2):273-82.
1997: E Taub; M Munz; Ronald R Tasker
Chronic electrical stimulation of the gasserian ganglion for the relief of pain in a series of 34 patients.
Journal of neurosurgery 1997;86(2):197-202.
1997: Ronald R Tasker; M Munz; F S Junn; Zelma H T Kiss; K Davis; Jonathan O Dostrovsky; Andres M Lozano
Deep brain stimulation and thalamotomy for tremor compared.
Acta neurochirurgica. Supplement 1997;68():49-53.
1997: Robert E Gross; Andres M Lozano; Anthony E Lang; Ronald R Tasker; William D Hutchison; Jonathan O Dostrovsky
The effects of pallidotomy on Parkinson's disease: study design and assessment techniques.
Acta neurochirurgica. Supplement 1997;68():24-8.
1996: Karen D Davis; Z H Kiss; Ronald R Tasker; Jonathan O Dostrovsky
Thalamic stimulation-evoked sensations in chronic pain patients and in nonpain (movement disorder) patients.
Journal of neurophysiology 1996;75(3):1026-37.
1996: S Shahzadi; Andres M Lozano; Mark Bernstein; Abhijit Guha; Ronald R Tasker
Stereotactic management of bacterial brain abscesses.
The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques 1996;23(1):34-9.
1995: Frederick A Lenz; S L Normand; H C Kwan; D Andrews; LH Rowland; M W Jones; M Seike; Y C Lin; Ronald R Tasker; Jonathan O Dostrovsky
Statistical prediction of the optimal site for thalamotomy in parkinsonian tremor.
Movement disorders : official journal of the Movement Disorder Society 1995;10(3):318-28.
1995: Karen D Davis; Ronald R Tasker; Z H Kiss; William D Hutchison; Jonathan O Dostrovsky
Visceral pain evoked by thalamic microstimulation in humans.
Neuroreport 1995;6(2):369-74.
1995: Z H Kiss; J Tsoukatos; Ronald R Tasker; Karen D Davis; Jonathan O Dostrovsky
Sleeping cells in the human thalamus.
Stereotactic and functional neurosurgery 1995;65(1-4):125-9.
1995: S Shahzadi; Ronald R Tasker; Andres M Lozano
Thalamotomy for essential and cerebellar tremor.
Stereotactic and functional neurosurgery 1995;65(1-4):11-7.
1994: Frederick A Lenz; H C Kwan; R L Martin; Ronald R Tasker; Jonathan O Dostrovsky; Y E Lenz
Single unit analysis of the human ventral thalamic nuclear group. Tremor-related activity in functionally identified cells.
Brain : a journal of neurology 1994;117 ( Pt 3)():531-43.
1994: Z H Kiss; Jonathan O Dostrovsky; Ronald R Tasker
Plasticity in human somatosensory thalamus as a result of deafferentation.
Stereotactic and functional neurosurgery 1994;62(1-4):153-63.
1993: Jonathan O Dostrovsky; G D Sher; Karen D Davis; A G Parrent; William D Hutchison; Ronald R Tasker
Microinjection of lidocaine into human thalamus: a useful tool in stereotactic surgery.
Stereotactic and functional neurosurgery 1993;60(4):168-74.
1993: Jonathan O Dostrovsky; Karen D Davis; L Lee; G D Sher; Ronald R Tasker
Electrical stimulation-induced effects in the human thalamus.
Advances in neurology 1993;63():219-29.
1993: A G Parrent; Ronald R Tasker; Jonathan O Dostrovsky
Tremor reduction by microinjection of lidocaine during stereotactic surgery.
Acta neurochirurgica. Supplementum 1993;58():45-7.
1992: Ronald R Tasker; G T DeCarvalho; E J Dolan
Intractable pain of spinal cord origin: clinical features and implications for surgery.
Journal of neurosurgery 1992;77(3):373-8.
1992: A G Parrent; Andres M Lozano; Jonathan O Dostrovsky; Ronald R Tasker
Central pain in the absence of functional sensory thalamus.
Stereotactic and functional neurosurgery 1992;59(1-4):9-14.
1991: Ronald R Tasker; Jonathan O Dostrovsky; E J Dolan
Computerized tomography (CT) is just as accurate as ventriculography for functional stereotactic thalamotomy.
Stereotactic and functional neurosurgery 1991;57(4):157-66.
1990: Frederick A Lenz; H C Kwan; Jonathan O Dostrovsky; Ronald R Tasker; J T Murphy; Y E Lenz
Single unit analysis of the human ventral thalamic nuclear group. Activity correlated with movement.
Brain : a journal of neurology 1990;113 ( Pt 6)():1795-821.
1990: Ronald R Tasker
Thalamotomy.
Neurosurgery clinics of North America 1990;1(4):841-64.
1990: J Gorecki; E J Dolan; Ronald R Tasker; W Kucharczyk
Correlation of CT and MR with impedance monitoring and histopathology in stereotactic biopsies.
The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques 1990;17(2):184-9.
1990: M D McClean; Jonathan O Dostrovsky; L Lee; Ronald R Tasker
Somatosensory neurons in human thalamus respond to speech-induced orofacial movements.
Brain research 1990;513(2):343-7.
1990: I Chambi; Ronald R Tasker; F Gentili; W M Lougheed; H S Smyth; J Marshall; I Young; J Deck; J Shrubb
Gauze-induced granuloma ("gauzoma"): an uncommon complication of gauze reinforcement of berry aneurysms.
Journal of neurosurgery 1990;72(2):163-70.
1990: Frederick A Lenz; R Martin; H C Kwan; Ronald R Tasker; Jonathan O Dostrovsky
Thalamic single-unit activity occurring in patients with hemidystonia.
Stereotactic and functional neurosurgery 1990;54-55():159-62.
1989: Frederick A Lenz; H C Kwan; Jonathan O Dostrovsky; Ronald R Tasker
Characteristics of the bursting pattern of action potentials that occurs in the thalamus of patients with central pain.
Brain research 1989;496(1-2):357-60.
1989: J Gorecki; T Hirayama; Jonathan O Dostrovsky; Ronald R Tasker; Frederick A Lenz
Thalamic stimulation and recording in patients with deafferentation and central pain.
Stereotactic and functional neurosurgery 1989;52(2-4):219-26.
1989: T Hirayama; Jonathan O Dostrovsky; J Gorecki; Ronald R Tasker; Frederick A Lenz
Recordings of abnormal activity in patients with deafferentation and central pain.
Stereotactic and functional neurosurgery 1989;52(2-4):120-6.
1988: Frederick A Lenz; Jonathan O Dostrovsky; H C Kwan; Ronald R Tasker; K Yamashiro; J T Murphy
Methods for microstimulation and recording of single neurons and evoked potentials in the human central nervous system.
Journal of neurosurgery 1988;68(4):630-4.
1988: Frederick A Lenz; Ronald R Tasker; H C Kwan; S Schnider; R Kwong; Y Murayama; Jonathan O Dostrovsky; J T Murphy
Single unit analysis of the human ventral thalamic nuclear group: correlation of thalamic "tremor cells" with the 3-6 Hz component of parkinsonian tremor.
The Journal of neuroscience : the official journal of the Society for Neuroscience 1988;8(3):754-64.
1988: Frederick A Lenz; Jonathan O Dostrovsky; Ronald R Tasker; K Yamashiro; H C Kwan; J T Murphy
Single-unit analysis of the human ventral thalamic nuclear group: somatosensory responses.
Journal of neurophysiology 1988;59(2):299-316.
1988: Ronald R Tasker; T Doorly; K Yamashiro
Thalamotomy in generalized dystonia.
Advances in neurology 1988;50():615-31.
1987: Frederick A Lenz; Ronald R Tasker; Jonathan O Dostrovsky; H C Kwan; J Gorecki; T Hirayama; J T Murphy
Abnormal single-unit activity recorded in the somatosensory thalamus of a quadriplegic patient with central pain.
Pain 1987;31(2):225-36.
1987: Ronald R Tasker; Frederick A Lenz; K Yamashiro; J Gorecki; T Hirayama; Jonathan O Dostrovsky
Microelectrode techniques in localization of stereotactic targets.
Neurological research 1987;9(2):105-12.
1987: Ronald R Tasker; J Gorecki; Frederick A Lenz; T Hirayama; Jonathan O Dostrovsky
Thalamic microelectrode recording and microstimulation in central and deafferentation pain.
Applied neurophysiology 1987;50(1-6):414-7.
1987: Frederick A Lenz; Ronald R Tasker; H C Kwan; S Schider; R Kwong; Jonathan O Dostrovsky; J T Murphy
Selection of the optimal lesion site for the relief of parkinsonian tremor on the basis of spectral analysis of neuronal firing patterns.
Applied neurophysiology 1987;50(1-6):338-43.
1987: Frederick A Lenz; S Schnider; Ronald R Tasker; R Kwong; H Kwan; Jonathan O Dostrovsky; J T Murphy
The role of feedback in the tremor frequency activity of tremor cells in the ventral nuclear group of human thalamus.
Acta neurochirurgica. Supplementum 1987;39():54-6.
1985: Frederick A Lenz; Ronald R Tasker; H C Kwan; S Schnider; R Kwong; J T Murphy
Cross-correlation analysis of thalamic neurons and EMG activity in parkinsonian tremor.
Applied neurophysiology 1985;48(1-6):305-8.