The effects of automatic artifact rejection on evoked potential recordingsMark M Stecker
Department of Neurology, Geisinger Medical Center, 100 N Academy Road, Danville, PA 17822, USA
Comput Biol Med 32:247-59. 2002
..It is important to recognize the possibility of these effects during clinical evoked potential recording...
- Classification of the extracellular fields produced by activated neural structures
Samantha Richerson
Department of Biomedical Engineering, Bucknell University, Lewisburg, PA 17837, USA
Biomed Eng Online 4:53. 2005
..Varying definitions and approaches to understanding the factors that influence the potentials recorded during neural activity have made this issue complex...
- Effect of neural connectivity on autocovariance and cross covariance estimates
Mark M Stecker
Department of Neurology, Geisinger Medical Center, Danville, PA 17821, USA
Biomed Eng Online 6:3. 2007
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- Factors affecting reliability of interpretations of intra-operative evoked potentials
Mark M Stecker
Department of Neurology, Geisinger Medical Center, 100 N Academy Road, Danville, PA 17822, USA
J Clin Monit Comput 20:47-55. 2006
..Conclusions. This study indicates the need for additional studies on the criteria for providing warnings during IOM and the characteristics of monitrists that influence their interpretations...
- Invited commentary
Mark Stecker
Department of Neurology, Geisinger Medical Center, Danville, PA 17822, USA
Ann Thorac Surg 81:190. 2006
- Correspondence between the location of evoked potential generators and sites of maximal sensitivity to stimulation
Mark M Stecker
Department of Neurology, Geisinger Medical Center, Danville, PA 17822, USA
IEEE Trans Biomed Eng 52:1619-21. 2005
..This allows the identification of the point at which an action potential generates a maximal extracellular potential as the point that is stimulated with the lowest threshold...
- Deep hypothermic circulatory arrest: I. Effects of cooling on electroencephalogram and evoked potentials
M M Stecker
Department of Neurology, Hospital of the University of Pennsylvania, Philadelphia, USA
Ann Thorac Surg 71:14-21. 2001
..The purpose of this study was to determine the factors that influence the neurophysiologic changes during cooling before circulatory arrest, in particular the occurrence of electrocerebral silence...
- Transcranial electric stimulation of motor pathways: a theoretical analysis
Mark M Stecker
Department of Neurology, Geisinger Medical Center, 100 N Academy Rd, Danville, PA 17821, USA
Comput Biol Med 35:133-55. 2005
..Near the cathode, stimulation was maximal about 5-7 degrees away from the edge of the electrode but the peak magnitude of the activating function was generally 20 times lower than over the anode...
- Evoked potentials during cardiac and major vascular operations
Mark M Stecker
Department of Neurology, Geisinger Medical Center, Danville, Pennsylvania 17822, USA
Semin Cardiothorac Vasc Anesth 8:101-11. 2004
..In addition, the potential benefits of peri-operative somatosensory evoked potentials monitoring are described in detail...
- Nerve stimulation with an electrode of finite size: differences between constant current and constant voltage stimulation
Mark M Stecker
Geisinger Medical Center, Department of Neurology, 100 N Academy Road, Danville, PA 17822, USA
Comput Biol Med 34:51-94. 2004
..A poorly conducting boundary layer surrounding the stimulator minimized these differences...
- Deep hypothermic circulatory arrest: II. Changes in electroencephalogram and evoked potentials during rewarming
M M Stecker
Department of Neurology, Hospital of the University of Pennsylvania, Philadelphia, USA
Ann Thorac Surg 71:22-8. 2001
....
- Anesthesia and temperature effects on somatosensory evoked potentials produced by train stimuli
Mark M Stecker
Department of Neurology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
Int J Neurosci 112:349-69. 2002
..To determine the effect of anesthesia, temperature, and stimulus characteristics on the response of upper extremity somatosensory evoked responses (SSEP) to repetitive stimulation...
- Neurophysiology of surgical procedures for repair of the aortic arch
Mark M Stecker
Department of Neurology, Geisinger Medical Center, Danville, Pennsylvania 17822, USA
J Clin Neurophysiol 24:310-5. 2007
..As these effects are predictable in large part, the neurophysiologist will be able to determine when changes in the neurophysiologic tests outside the norm occur and provide prompt warnings to the surgeon...
- Mechanisms of electrode induced injury. Part 1: theory
Mark M Stecker
Department of Neurology Geisinger Medical Center Danville, Pennsylvania, USA
Am J Electroneurodiagnostic Technol 46:315-42. 2006
..Finally, the effects of electrochemical reactions are discussed both in the context of surface and implanted electrodes...
- Sensitivity of scalp EEG, cortical EGG, and somatosensory evoked responses during surgery for intracranial aneurysms
Christopher J Martin
Department of Neurology, Hospital of the University of Pennsylvania, Philadelphia, USA
Surg Neurol 58:317-20; discussion 320-1. 2002
..This argues for the possible advantages of recording from strip electrodes during aneurysm surgery...
- Effects of acute hypoxemia/ischemia on EEG and evoked responses at normothermia and hypothermia in humans
Mark M Stecker
Department of Neurology, Hospital of the University of Pensylvania, Philadelphia, PA, USA
Med Sci Monit 8:CR223-8. 2002
..Hypothermia is used clinically to prevent neurologic injury but the degree of protection which it affords at various levels of the nervous system in humans is difficult to establish...
- Epilepsy in a rural elderly population
Mona Baran
Department of Neurology, Geisinger Medical Center, Danville, PA 17822, USA
Epileptic Disord 9:256-70. 2007
..Next, the factors (such as epilepsy type, seizure frequency, medical comorbidities, etc.) influencing antiepileptic drug choice and living situation were explored...
- Nursing neurologic assessments after cardiac operations
Anna T Bickert
Department of Nursing, Geisinger Medical Center, Danville, Pennsylvania 17822, USA
Ann Thorac Surg 85:554-60. 2008
..This study used standardized nursing neurologic evaluations to describe the sequence of neurologic changes during the first few hours after cardiac operations and the factors that influence them...
- The EEG as an independent indicator of mortality and healthcare utilization
Mark M Stecker
Department of Neurology, Geisinger Medical Center, Danville, PA 17822, USA
Clin Neurophysiol 120:1777-81. 2009
..Determine whether EEG findings could be used as an independent prognostic indicator of outcomes in a general patient population...
- Mechanisms of electrode induced injury. Part 2: Clinical experience
Terry Patterson
Department of Neurosurgery, Penn State Medical Center, Hershey, Pennsylvania, USA
Am J Electroneurodiagnostic Technol 47:93-113. 2007
..Continued vigilance when any type of electrode is used is important...
- The sarcoglycan complex in Schwann cells and its role in myelin stability
Hong Cai
Sigfried and Janet Weis Center for Research, M C 26 11, The Geisinger Clinic, 100 North Academy Avenue, Danville, PA 17822, USA
Exp Neurol 205:257-69. 2007
..6 hamsters consistent with reduced myelin stability. Together, these findings suggest an important role of sarcoglycans in the stability of peripheral nerve myelin...
- Fibrillin-2 is dispensable for peripheral nerve development, myelination and regeneration
Michael A Chernousov
Weis Center for Research, Geisinger Clinic, 100 North Academy Avenue, Danville, PA 17822 2613, USA
Matrix Biol 29:357-68. 2010
..Based on the data obtained we can conclude that peripheral neuropathy should be excluded as the cause of the impairment of locomotory function and joint contractures observed in fibrillin-2 deficient animals...
- Diagnosis of rapid eye movement sleep disorder with electroencephalography and treatment with tricyclic antidepressants in a dog
William W Bush
Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Am Anim Hosp Assoc 40:495-500. 2004
..The animal was also diagnosed with an obsessive-compulsive and generalized anxiety disorder. The REM behavior disorder and anxiety-related behaviors improved with tricyclic antidepressant therapy...
- Utility of the neurologic intensive care evaluation (NICE) in detecting neurologic deficit after cardiac operations--a pilot study
Susan Baker
Department of Cardio-Thoracic Surgery, Hospital of the University of Pennsylvania, PA, USA
Med Sci Monit 9:CR151-6. 2003
..They may also provide useful information complementing the data obtained from detailed neuropsychologic testing on the neurologic effects of cardiac operations...
- Complex partial status epilepticus associated with anti-Hu paraneoplastic syndrome
Dina A Jacobs
Department of Neurology, Hospital of the University of Pennsylvania, 3 West Gates, 3400 Spruce Street, Philadelphia, PA 19104, USA
J Neurol Sci 213:77-82. 2003
..To our knowledge, this is the first description of paraneoplastic epilepsia partialis continua associated with diffuse pathologic abnormalities...
- ASNM position statement: intraoperative monitoring of auditory evoked potentials
William Hal Martin
Oregon Hearing Research Center, Portland, OR, USA
J Clin Monit Comput 22:75-85. 2008
- Mechanisms of electrode induced injury. Part 3: practical concepts and avoidance
Brett L Netherton
Rhythmlink International, Columbia, South Carolina, USA
Am J Electroneurodiagnostic Technol 47:257-63. 2007
..A list of electrode related injury avoidance fundamentals is presented. Finally, practical scenarios are presented to illustrate the applications of the concepts...
- Comparison of endotracheal tube and hookwire electrodes for monitoring the vagus nerve
Douglas C Bigelow
Department of Otorhinolaryngology, Hospital of the University of Pennsylvania, 19104 USA
J Clin Monit Comput 17:217-20. 2002
..The enhanced sensitivity of the hookwire electrodes, despite the technical difficulties with placement, suggests their use when maximum sensitivity is required...
- Clearing up some inaccuracies about the American Board of Neurophysiologic Monitoring exam for intraoperative monitoring
Mark M Stecker
J Clin Neurophysiol 20:296; author reply 296. 2003
