Ping Zhou

Summary

Affiliation: Northwestern University
Country: USA

Publications

  1. ncbi request reprint Factors governing the form of the relation between muscle force and the EMG: a simulation study
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, 345 E Superior St, Suite 1406, Chicago, IL 60611, USA
    J Neurophysiol 92:2878-86. 2004
  2. ncbi request reprint MUAP number estimates in surface EMG: template-matching methods and their performance boundaries
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    Ann Biomed Eng 32:1007-15. 2004
  3. ncbi request reprint Teager-Kaiser energy operation of surface EMG improves muscle activity onset detection
    Xiaoyan Li
    Department of Bioengineering, University of Illinois at Chicago, Chicago, IL 60607 7052, USA
    Ann Biomed Eng 35:1532-8. 2007
  4. ncbi request reprint Model based sensitivity analysis of EMG-force relation with respect to motor unit properties: applications to muscle paresis in stroke
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA
    Ann Biomed Eng 35:1521-31. 2007
  5. doi request reprint Nonlinear spatial filtering of multichannel surface electromyogram signals during low force contractions
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, and Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL 60611, USA
    IEEE Trans Biomed Eng 56:1871-9. 2009
  6. pmc Toward attenuating the impact of arm positions on electromyography pattern-recognition based motion classification in transradial amputees
    Yanjuan Geng
    Key Lab of Health Informatics of Chinese Academy of Sciences CAS, Shenzhen, China
    J Neuroeng Rehabil 9:74. 2012
  7. pmc Duration of observation required in detecting fasciculation potentials in amyotrophic lateral sclerosis using high-density surface EMG
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, 345 E, Superior St, Suite 1406, Chicago, IL 60611, USA
    J Neuroeng Rehabil 9:78. 2012
  8. pmc Computing motor unit number index of the first dorsal interosseous muscle with two different contraction tasks
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL, USA
    Med Eng Phys 34:1209-12. 2012
  9. doi request reprint Characterizing the complexity of spontaneous motor unit patterns of amyotrophic lateral sclerosis using approximate entropy
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA
    J Neural Eng 8:066010. 2011
  10. doi request reprint Surface electromyogram analysis of the direction of isometric torque generation by the first dorsal interosseous muscle
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL, USA
    J Neural Eng 8:036028. 2011

Collaborators

Detail Information

Publications40

  1. ncbi request reprint Factors governing the form of the relation between muscle force and the EMG: a simulation study
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, 345 E Superior St, Suite 1406, Chicago, IL 60611, USA
    J Neurophysiol 92:2878-86. 2004
    ....
  2. ncbi request reprint MUAP number estimates in surface EMG: template-matching methods and their performance boundaries
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    Ann Biomed Eng 32:1007-15. 2004
    ....
  3. ncbi request reprint Teager-Kaiser energy operation of surface EMG improves muscle activity onset detection
    Xiaoyan Li
    Department of Bioengineering, University of Illinois at Chicago, Chicago, IL 60607 7052, USA
    Ann Biomed Eng 35:1532-8. 2007
    ..The validity of the proposed method was illustrated using various surface EMG simulations as well as experimental surface EMG recordings...
  4. ncbi request reprint Model based sensitivity analysis of EMG-force relation with respect to motor unit properties: applications to muscle paresis in stroke
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA
    Ann Biomed Eng 35:1521-31. 2007
    ..These findings provide new insight toward our understanding of experimental EMG-force relations in both normal and pathological states, such as the abnormal EMG-force relations of paresis muscles in stroke...
  5. doi request reprint Nonlinear spatial filtering of multichannel surface electromyogram signals during low force contractions
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, and Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL 60611, USA
    IEEE Trans Biomed Eng 56:1871-9. 2009
    ..It follows that nonlinear spatial filters represent a potentially useful supplement to linear spatial filters for detection of motor unit activity in surface EMG at low force contractions...
  6. pmc Toward attenuating the impact of arm positions on electromyography pattern-recognition based motion classification in transradial amputees
    Yanjuan Geng
    Key Lab of Health Informatics of Chinese Academy of Sciences CAS, Shenzhen, China
    J Neuroeng Rehabil 9:74. 2012
    ..This study aimed to investigate the impacts of arm position variation on EMG pattern-recognition based motion classification in upper-limb amputees and the solutions for reducing these impacts...
  7. pmc Duration of observation required in detecting fasciculation potentials in amyotrophic lateral sclerosis using high-density surface EMG
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, 345 E, Superior St, Suite 1406, Chicago, IL 60611, USA
    J Neuroeng Rehabil 9:78. 2012
    ....
  8. pmc Computing motor unit number index of the first dorsal interosseous muscle with two different contraction tasks
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL, USA
    Med Eng Phys 34:1209-12. 2012
    ..It is important to perform a similar analysis for patients with amyotrophic lateral sclerosis (ALS), given that ALS is the primary intention of the MUNIX method as a potential follow-up measurement for motor unit loss...
  9. doi request reprint Characterizing the complexity of spontaneous motor unit patterns of amyotrophic lateral sclerosis using approximate entropy
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA
    J Neural Eng 8:066010. 2011
    ..These findings expand the existing knowledge of spontaneous motor unit activity in ALS beyond what was previously obtained using conventional linear methods such as firing rate or inter-spike interval statistics...
  10. doi request reprint Surface electromyogram analysis of the direction of isometric torque generation by the first dorsal interosseous muscle
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL, USA
    J Neural Eng 8:036028. 2011
    ....
  11. ncbi request reprint Eliminating cardiac contamination from myoelectric control signals developed by targeted muscle reinnervation
    Ping Zhou
    Neural Engineering Center for Artificial Limbs, Rehabilitation Institute of Chicago, Chicago, IL, USA
    Physiol Meas 27:1311-27. 2006
    ..The feasibility of the different methods for clinical application was also investigated with consideration of the clinical speed requirements and memory limitations of commercial prosthesis controllers...
  12. ncbi request reprint Can standard surface EMG processing parameters be used to estimate motor unit global firing rate?
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    J Neural Eng 1:99-110. 2004
    ..The simulation results also indicate that the mean or median frequency of the surface EMG power spectrum is a poor indicator of the global motor unit firing rate...
  13. ncbi request reprint An evaluation of the utility and limitations of counting motor unit action potentials in the surface electromyogram
    Ping Zhou
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    J Neural Eng 1:238-45. 2004
    ....
  14. doi request reprint Analysis of surface EMG-force relation of the first dorsal interosseous muscle
    Karthik Murali
    Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    Conf Proc IEEE Eng Med Biol Soc 2009:2960-2. 2009
    ..Furthermore, this variation was also sensitive to different channels of the surface electrode array on the muscle...
  15. pmc The effects of notch filtering on electrically evoked myoelectric signals and associated motor unit index estimates
    Xiaoyan Li
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, USA
    J Neuroeng Rehabil 8:64. 2011
    ..The objective of this study was to quantitatively assess the effects of notch filtering on electrically evoked myoelectric signals and on the related motor unit index measurements...
  16. doi request reprint An analysis of EMG electrode configuration for targeted muscle reinnervation based neural machine interface
    He Huang
    Neural Engineering Center for Artificial Limbs, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    IEEE Trans Neural Syst Rehabil Eng 16:37-45. 2008
    ..7+/-4.5%. These outcomes provide important guidelines for practical electrode placement that can promote future clinical application of TMR and EMG PR in the control of multifunctional prostheses...
  17. doi request reprint Examination of motor unit control properties in stroke survivors using surface EMG decomposition: a preliminary report
    Nina Suresh
    Sensory Motor Performance Program, RIC, 345 East Superior Street, Chicago, IL 60611, USA
    Conf Proc IEEE Eng Med Biol Soc 2011:8243-6. 2011
    ..These findings provide further evidence of spinal motoneuron involvement after a hemispheric brain lesion, and help us to understand the complex origins of stroke induced muscle weakness...
  18. doi request reprint Abnormal EMG-force slope estimates in the first dorsal interosseous of hemiparetic stroke survivors
    Nina L Suresh
    Rehabilitation Institute of Chicago, USA
    Conf Proc IEEE Eng Med Biol Soc 2008:3562-5. 2008
    ....
  19. pmc A simulation-based analysis of motor unit number index (MUNIX) technique using motoneuron pool and surface electromyogram models
    Xiaoyan Li
    Sensory Motor Performance Program SMPP, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    IEEE Trans Neural Syst Rehabil Eng 20:297-304. 2012
    ..However, there are potential limitations in the application of the MUNIX methods in atrophied muscle, where it is unclear whether the atrophy is accompanied by loss of motor units or loss of muscle fiber size...
  20. doi request reprint The effect of ECG interference on pattern-recognition-based myoelectric control for targeted muscle reinnervated patients
    Levi Hargrove
    Neural Engineering Center for Artificial Limbs, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    IEEE Trans Biomed Eng 56:2197-201. 2009
    ..High-pass filtering at approximately 100 Hz appears to effectively mitigate the effect of ECG interference...
  21. ncbi request reprint Real time ECG artifact removal for myoelectric prosthesis control
    Ping Zhou
    Neural Engineering Center for Artificial Limbs, Rehabilitation Institute of Chicago, Chicago, IL, USA
    Physiol Meas 28:397-413. 2007
    ..Aiming at clinical application, the optimal parameter assignment for each method was determined on the basis of the performance using the suite of testing signals with various ECG/EMG ratios...
  22. doi request reprint Alterations in spike amplitude distribution of the surface electromyogram post-stroke
    Xiaoyan Li
    Rehabilitation Institute of Chicago, 345 E Superior, Chicago, IL, USA
    Conf Proc IEEE Eng Med Biol Soc 2011:7504-7. 2011
    ..Such differences may be induced by degeneration of some spinal motoneurons and/or disorganization of motor unit control properties after stroke...
  23. doi request reprint Motor unit number reductions in paretic muscles of stroke survivors
    Xiaoyan Li
    Sensory Motor Performance Program of Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    IEEE Trans Inf Technol Biomed 15:505-12. 2011
    ..8-93.3 μV) than the contralateral muscles (51.7-84.4 μV). The findings from the index measurements provide further evidence of spinal motoneuron loss after a hemispheric brain lesion...
  24. doi request reprint Alterations in the peak amplitude distribution of the surface electromyogram poststroke
    Xiaoyan Li
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    IEEE Trans Biomed Eng 60:845-52. 2013
    ....
  25. doi request reprint A preliminary study of action potential propagation in paretic muscle of stroke survivors
    John R Schieber
    Rehabilitation Institute of Chicago, and McCormick School of Engineering of Northwestern University, Chicago, IL 60611, USA
    Conf Proc IEEE Eng Med Biol Soc 2009:222-3. 2009
    ..Several factors that possibly lead to this observation are discussed...
  26. pmc Spatial filtering improves EMG classification accuracy following targeted muscle reinnervation
    He Huang
    Neural Engineering Center for Artificial Limbs, Rehabilitation Institute of Chicago, 345 E Superior Street, Suite 1406, Chicago, IL 60611, USA
    Ann Biomed Eng 37:1849-57. 2009
    ..These results suggest that double differential EMG recordings may further improve the TMR-based neural interface for robust, multifunctional control of artificial arms...
  27. doi request reprint EMG-force relations during isometric contractions of the first dorsal interosseous muscle after stroke
    Ping Zhou
    Institute of Biomedical Engineering, University of Science and Technology of China, Hefei, China Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois, USA Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois, USA
    Top Stroke Rehabil 20:537-44. 2013
    ..This study examines the electromyogram (EMG)-force relations observed in the first dorsal interosseous (FDI) muscle of hemiparetic stroke survivors...
  28. pmc A novel myoelectric pattern recognition strategy for hand function restoration after incomplete cervical spinal cord injury
    Jie Liu
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    IEEE Trans Neural Syst Rehabil Eng 21:96-103. 2013
    ..This demonstrates clinical feasibility and robustness in the concept of using myoelectric pattern recognition techniques toward improved function restoration for individuals with spinal injury...
  29. pmc Sample entropy analysis of surface EMG for improved muscle activity onset detection against spurious background spikes
    Xu Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL, USA
    J Electromyogr Kinesiol 22:901-7. 2012
    ....
  30. ncbi request reprint Decoding a new neural machine interface for control of artificial limbs
    Ping Zhou
    Neural Engineering Center for Artificial Limbs, Rehabilitation Institute of Chicago, IL, USA
    J Neurophysiol 98:2974-82. 2007
    ..In addition, the results demonstrate that the central motor control system is capable of eliciting complex efferent commands for a missing limb, in the absence of peripheral feedback and without retraining of the pathways involved...
  31. ncbi request reprint Targeted reinnervation for enhanced prosthetic arm function in a woman with a proximal amputation: a case study
    Todd A Kuiken
    Neural Engineering Center for Artificial Limbs, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    Lancet 369:371-80. 2007
    ..We developed a technique that used nerve transfers to muscle to develop new electromyogram control signals and nerve transfers to skin, to provide a pathway for cutaneous sensory feedback to the missing hand...
  32. pmc Filtering of surface EMG using ensemble empirical mode decomposition
    Xu Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, USA
    Med Eng Phys 35:537-42. 2013
    ..Among all the examined methods, the EEMD based approach achieved the best surface EMG denoising performance...
  33. doi request reprint High-density myoelectric pattern recognition toward improved stroke rehabilitation
    Xu Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago RIC, Chicago, IL 60611, USA
    IEEE Trans Biomed Eng 59:1649-57. 2012
    ..1% ± 4.3%) were achieved, indicating that substantial motor control information can be extracted from paretic muscles of stroke survivors. Such information may potentially facilitate improved stroke rehabilitation...
  34. doi request reprint Classification of upper limb motions in stroke using high density surface EMG
    Xu Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL 60611, USA
    Conf Proc IEEE Eng Med Biol Soc 2011:3367-70. 2011
    ..This study confirms that substantial motor control command can be extracted from paretic muscles of stroke survivors, potentially facilitating their rehabilitation...
  35. doi request reprint A novel technique for muscle onset detection using surface EMG signals without removal of ECG artifacts
    Ping Zhou
    Biomedical Engineering Program, University of Science and Technology of China, Hefei, Anhui, People s Republic of China Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL, USA Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, USA
    Physiol Meas 35:45-54. 2014
    ..001 for any of the examined SNRs except 10 dB). ..
  36. ncbi request reprint Structural parameterization and functional prediction of antigenic polypeptome sequences with biological activity through quantitative sequence-activity models (QSAM) by molecular electronegativity edge-distance vector (VMED)
    Zhiliang Li
    College of Chemistry and Chemical Engineering Key Laboratory for Chemobiomedical Science and Engineering under Chongqing Municipality, Chongqing University, Chongqing 400044, China
    Sci China C Life Sci 50:706-16. 2007
    ..Finally, a preliminary conclusion was drawn: both classical and modified MED vectors were very useful structural descriptors. Some suggestions were proposed for further studies on QSAR/QSAM of proteins in various fields...
  37. ncbi request reprint [Decomposition of EMG signals based on combination of information diffusion theory and fuzzy neural network]
    Xiao jin Qian
    Department of Electronic Science and Technology, University of Science and Technology of China USTC, Hefei, Anhui, China
    Space Med Med Eng (Beijing) 16:354-9. 2003
    ..To solve the problem of large samples and contradictory samples in EMG during high level muscle contraction...
  38. ncbi request reprint The effects of delayed activation and MG132 treatment on nuclear remodeling and preimplantation development of embryos cloned by electrofusion are correlated with the age of recipient cytoplasts
    Yan Guang Wu
    College of Animal Science and Vet Medicine, Shandong Agricultural University, Tai An City, People s Republic of China
    Cloning Stem Cells 9:417-31. 2007
    ..The nuclear injection technique was more adaptable to older cytoplast ages, and hence less dependent on drugs for inhibition of MPF inactivation, compared to electrofusion...
  39. ncbi request reprint Mitochondria are involved in the neurogenic neuroprotection conferred by stimulation of cerebellar fastigial nucleus
    Ping Zhou
    Division of Neurobiology, Weill Medical College of Cornell University, New York, NY 10021, USA
    J Neurochem 95:221-9. 2005
    ..These mitochondrial mechanisms are likely to play a role in the neuroprotection exerted by FN stimulation...
  40. ncbi request reprint Dissociation of obesity and impaired glucose disposal in mice overexpressing acyl coenzyme a:diacylglycerol acyltransferase 1 in white adipose tissue
    Hubert C Chen
    Gladstone Institute of Cardiovascular Disease, San Francisco, California 94141 9100, USA
    Diabetes 51:3189-95. 2002
    ..Our findings support the lipotoxicity hypothesis that the deposition of triglycerides in insulin-sensitive tissues other than adipocytes causes insulin resistance...