J M Hausdorff

Summary

Affiliation: Harvard University
Country: USA

Publications

  1. ncbi request reprint The power of ageism on physical function of older persons: reversibility of age-related gait changes
    J M Hausdorff
    Division on Aging, Harvard Medical School, Boston, Massachusetts, USA
    J Am Geriatr Soc 47:1346-9. 1999
  2. ncbi request reprint Dual tasking, gait rhythmicity, and Parkinson's disease: which aspects of gait are attention demanding?
    Galit Yogev
    Movement Disorders Unit, Neurology Department, Tel Aviv Sourasky Medical Center, 6 Weizman Street, Tel Aviv 64239, Israel
    Eur J Neurosci 22:1248-56. 2005
  3. pmc Executive function and falls in older adults: new findings from a five-year prospective study link fall risk to cognition
    Anat Mirelman
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    PLoS ONE 7:e40297. 2012
  4. pmc The sensory feedback mechanisms enabling couples to walk synchronously: an initial investigation
    Ari Z Zivotofsky
    Gonda Brain Research Center, Bar Ilan University, Ramat Gan, Israel
    J Neuroeng Rehabil 4:28. 2007
  5. pmc Markedly impaired bilateral coordination of gait in post-stroke patients: Is this deficit distinct from asymmetry? A cohort study
    Ronald Meijer
    Rehabilitation Medical Centre Groot Klimmendaal, Department of Innovation, Research and Education, Room K009, PO Box 9044, 6800 GG Arnhem, Netherlands
    J Neuroeng Rehabil 8:23. 2011
  6. pmc A common cognitive profile in elderly fallers and in patients with Parkinson's disease: the prominence of impaired executive function and attention
    Jeffrey M Hausdorff
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center
    Exp Aging Res 32:411-29. 2006
  7. ncbi request reprint Walking is more like catching than tapping: gait in the elderly as a complex cognitive task
    Jeffrey M Hausdorff
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Exp Brain Res 164:541-8. 2005
  8. pmc Automated detection of near falls: algorithm development and preliminary results
    Aner Weiss
    Laboratory for Gait and Neurodynamics and Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    BMC Res Notes 3:62. 2010
  9. pmc Gait unsteadiness and fall risk in two affective disorders: a preliminary study
    Jeffrey M Hausdorff
    Division on Aging, Harvard Medical School, Boston, MA, USA
    BMC Psychiatry 4:39. 2004
  10. pmc Gait dynamics in Parkinson's disease: common and distinct behavior among stride length, gait variability, and fractal-like scaling
    Jeffrey M Hausdorff
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv 64239, Israel
    Chaos 19:026113. 2009

Collaborators

Detail Information

Publications80

  1. ncbi request reprint The power of ageism on physical function of older persons: reversibility of age-related gait changes
    J M Hausdorff
    Division on Aging, Harvard Medical School, Boston, Massachusetts, USA
    J Am Geriatr Soc 47:1346-9. 1999
    ..To test the hypothesis that age-associated changes in physical function, particularly walking performance, are influenced by ageism and that the activation of positive sterotypes of aging can partially reverse these changes...
  2. ncbi request reprint Dual tasking, gait rhythmicity, and Parkinson's disease: which aspects of gait are attention demanding?
    Galit Yogev
    Movement Disorders Unit, Neurology Department, Tel Aviv Sourasky Medical Center, 6 Weizman Street, Tel Aviv 64239, Israel
    Eur J Neurosci 22:1248-56. 2005
    ..Moreover, the associations between executive function and gait variability suggest that a decline in executive function in PD may exacerbate the effects of dual tasking on gait, potentially increasing fall risk...
  3. pmc Executive function and falls in older adults: new findings from a five-year prospective study link fall risk to cognition
    Anat Mirelman
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    PLoS ONE 7:e40297. 2012
    ..Secondary objectives were to assess whether single and dual task walking abilities, an alternative window into EF, were associated with fall risk...
  4. pmc The sensory feedback mechanisms enabling couples to walk synchronously: an initial investigation
    Ari Z Zivotofsky
    Gonda Brain Research Center, Bar Ilan University, Ramat Gan, Israel
    J Neuroeng Rehabil 4:28. 2007
    ....
  5. pmc Markedly impaired bilateral coordination of gait in post-stroke patients: Is this deficit distinct from asymmetry? A cohort study
    Ronald Meijer
    Rehabilitation Medical Centre Groot Klimmendaal, Department of Innovation, Research and Education, Room K009, PO Box 9044, 6800 GG Arnhem, Netherlands
    J Neuroeng Rehabil 8:23. 2011
    ....
  6. pmc A common cognitive profile in elderly fallers and in patients with Parkinson's disease: the prominence of impaired executive function and attention
    Jeffrey M Hausdorff
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center
    Exp Aging Res 32:411-29. 2006
    ..e., variability of response timing) and underscore the importance of executive function and attention as potential targets for fall risk screening and interventions...
  7. ncbi request reprint Walking is more like catching than tapping: gait in the elderly as a complex cognitive task
    Jeffrey M Hausdorff
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Exp Brain Res 164:541-8. 2005
    ....
  8. pmc Automated detection of near falls: algorithm development and preliminary results
    Aner Weiss
    Laboratory for Gait and Neurodynamics and Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    BMC Res Notes 3:62. 2010
    ..The purpose of the present study was to develop a method for automatic detection of near falls, potentially a sensitive, objectivemarker of fall risk and to demonstrate the ability to detect near falls using this approach...
  9. pmc Gait unsteadiness and fall risk in two affective disorders: a preliminary study
    Jeffrey M Hausdorff
    Division on Aging, Harvard Medical School, Boston, MA, USA
    BMC Psychiatry 4:39. 2004
    ....
  10. pmc Gait dynamics in Parkinson's disease: common and distinct behavior among stride length, gait variability, and fractal-like scaling
    Jeffrey M Hausdorff
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv 64239, Israel
    Chaos 19:026113. 2009
    ....
  11. ncbi request reprint Maturation of gait dynamics: stride-to-stride variability and its temporal organization in children
    J M Hausdorff
    Margret H A Rey Laboratory for Nonlinear Dynamics in Medicine, Beth Israel Deaconess Medical Center, Boston 02215, Massachusetts, USA
    J Appl Physiol (1985) 86:1040-7. 1999
    ..These findings indicate that mature stride dynamics may not be completely developed even in healthy 7-yr-old children and that different aspects of stride dynamics mature at different ages...
  12. ncbi request reprint Rhythmic auditory stimulation modulates gait variability in Parkinson's disease
    Jeffrey M Hausdorff
    Laboratory for Gait and Neurodynamics, Movement Disorders Unit and Parkinson Center, Department of Neurology, Tel Aviv Sourasky Medical Center, 6 Weizman Street, Tel Aviv 64239, Israel
    Eur J Neurosci 26:2369-75. 2007
    ....
  13. ncbi request reprint Association of muscle power with functional status in community-dwelling elderly women
    M Foldvari
    Nutrition, Exercise Physiology, and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts 02111, USA
    J Gerontol A Biol Sci Med Sci 55:M192-9. 2000
    ..We tested the hypothesis that peak muscle power is closely associated with self-reported functional status in sedentary elderly community-dwelling women...
  14. ncbi request reprint Characterization of freezing of gait subtypes and the response of each to levodopa in Parkinson's disease
    J D Schaafsma
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    Eur J Neurol 10:391-8. 2003
    ..0001) and the number of episodes with akinesia (P < 0.001). Distinction amongst FOG subtypes enables evaluation of distinctive therapeutic response. Levodopa helps in reducing the frequency and duration of 'off'-related FOG...
  15. doi request reprint Bilateral coordination of gait and Parkinson's disease: the effects of dual tasking
    M Plotnik
    Laboratory for Gait and Neurodynamics, Movement Disorders Unit, Tel Aviv Sourasky Medical Center, 6 Weizmann St, Tel Aviv, 64239, Israel
    J Neurol Neurosurg Psychiatry 80:347-50. 2009
    ..The present findings suggest that in patients with PD, cognitive resources are used in order to maintain consistent and accurate alternations in left-right stepping...
  16. ncbi request reprint Dual-tasking effects on gait variability: the role of aging, falls, and executive function
    Shmuel Springer
    Movement Disorders Unit, Neurology Department, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Mov Disord 21:950-7. 2006
    ..In contrast, dual tasking destabilizes the gait of idiopathic elderly fallers, an effect that appears to be mediated in part by a decline in EF...
  17. ncbi request reprint Effects of methylphenidate on cognitive function and gait in patients with Parkinson's disease: a pilot study
    Eitan Auriel
    Movement Disorders Unit, NPF Center of Excellence, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Clin Neuropharmacol 29:15-7. 2006
    ..These findings suggest a new potential pharmacologic means of enhancing mobility and decreasing fall risk in Parkinson's disease...
  18. ncbi request reprint Clinical characteristics of elderly patients with a cautious gait of unknown origin
    N Giladi
    Dept of Physical Therapy, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    J Neurol 252:300-6. 2005
    ..To evaluate and systematically characterize a group of older adults with disturbed gait of unknown origin...
  19. ncbi request reprint The effects of reducing fear of falling on locomotion in older adults with a higher level gait disorder
    Y Balash
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    J Neural Transm 114:1309-14. 2007
    ..Thus, it appears that the gait disturbances in these patients are apparently not simply the consequence of FOF...
  20. ncbi request reprint Dynamic markers of altered gait rhythm in amyotrophic lateral sclerosis
    J M Hausdorff
    Margret and H A Rey Laboratory for Nonlinear Dynamics in Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
    J Appl Physiol (1985) 88:2045-53. 2000
    ..Moreover, a matrix of markers based on gait dynamics may be useful in characterizing certain pathologies of motor control and, possibly, in quantitatively monitoring disease progression and evaluating therapeutic interventions...
  21. ncbi request reprint Disparate effects of socioeconomic status on physical function and emotional well-being in older adults
    D A Rios
    Division on Aging, Harvard Medical School, Boston, Massachusetts, USA
    Aging (Milano) 13:30-7. 2001
    ..SES may have disparate effects on physical function and mental health, perhaps due to different compensatory mechanisms...
  22. ncbi request reprint Gait in attention deficit hyperactivity disorder : effects of methylphenidate and dual tasking
    Yael Leitner
    Paediatric Neurology Unit and Child Development Center, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    J Neurol 254:1330-8. 2007
    ..Cognitive function and the loading of attention presumably play an important role in gait as well as in fall risk, but previous work has not demonstrated this in any cause-and-effect way...
  23. ncbi request reprint Falls in outpatients with Parkinson's disease: frequency, impact and identifying factors
    Y Balash
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center, 6 Weizmann Street, Tel Aviv 64239, Israel
    J Neurol 252:1310-5. 2005
    ..These findings confirm that falls are a common problem among patients with advanced PD and suggest easily measurable features that may be used to prospectively identify those PD patients with the greatest risk of falls...
  24. ncbi request reprint Gait instability and fractal dynamics of older adults with a "cautious" gait: why do certain older adults walk fearfully?
    T Herman
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, and Sackler School of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
    Gait Posture 21:178-85. 2005
    ....
  25. pmc Is heart rate variability related to gait impairment in patients with Parkinson's disease? A pilot study
    M B Aerts
    Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Parkinsonism Relat Disord 15:712-5. 2009
    ..The present study was performed to further examine this putative relationship using quantitative measures of autonomic function and gait in order to shed light on the underlying pathophysiology of these symptoms...
  26. ncbi request reprint Progressive nature of a higher level gait disorder: a 3-year prospective study
    V Huber-Mahlin
    Movement Disorders Unit and Parkinson Center, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    J Neurol 257:1279-86. 2010
    ....
  27. ncbi request reprint Fractal dynamics of human gait: stability of long-range correlations in stride interval fluctuations
    J M Hausdorff
    Charles A Dana Research Institute, Beth Israel Hospital, Boston, Massachusetts 02215, USA
    J Appl Physiol (1985) 80:1448-57. 1996
    ..Furthermore, this fractal property of neural output may be related to the higher nervous centers responsible for the control of walking rhythm...
  28. ncbi request reprint Freezing of gait in older adults with high level gait disorders: association with impaired executive function
    N Giladi
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    J Neural Transm 114:1349-53. 2007
    ..These results indicate that FOG is common in HLGD, and that it is associated with significant functional disability and a specific frontal cognitive disturbance of initiation...
  29. ncbi request reprint Gait variability and fall risk in community-living older adults: a 1-year prospective study
    J M Hausdorff
    Gerontology Division, Beth Israel Deaconess Medical Center and Division on Aging, Harvard Medical School, Boston, MA 02215, USA
    Arch Phys Med Rehabil 82:1050-6. 2001
    ..To test the hypothesis that increased gait variability predicts falls among community-living older adults attending an outpatient clinic...
  30. pmc Gait dynamics, fractals and falls: finding meaning in the stride-to-stride fluctuations of human walking
    Jeffrey M Hausdorff
    Laboratory for Gait and Neurodynamics, Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Israel
    Hum Mov Sci 26:555-89. 2007
    ....
  31. pmc Can methylphenidate reduce fall risk in community-living older adults? A double-blind, single-dose cross-over study
    Ron Ben-Itzhak
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    J Am Geriatr Soc 56:695-700. 2008
    ..To test the hypothesis that methylphenidate modifies markers of fall risk in older adults...
  32. ncbi request reprint A novel multidomain computerized cognitive assessment for attention-deficit hyperactivity disorder: evidence for widespread and circumscribed cognitive deficits
    Yael Leitner
    Paediatric Neurology Unit and Child Development Center, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    J Child Neurol 22:264-76. 2007
    ..Hence, on the limited basis of this pilot study, the set of computerized tests studied appears to be useful for measuring cognitive function in ADHD; however, additional studies are needed to confirm this...
  33. pmc How does explicit prioritization alter walking during dual-task performance? Effects of age and sex on gait speed and variability
    Galit Yogev-Seligmann
    Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    Phys Ther 90:177-86. 2010
    ..Previous studies have demonstrated that the performance of a secondary task during walking alters gait...
  34. ncbi request reprint When human walking becomes random walking: fractal analysis and modeling of gait rhythm fluctuations
    J M Hausdorff
    Beth Israel Deaconness Medical Center, Harvard Medical School, Boston, MA 02215, USA
    Physica A 302:138-47. 2001
    ..By tuning one model parameter, the hopping (transition) range, the model can describe alterations in gait dynamics from childhood to adulthood including a decrease in the correlation and volatility exponents with maturation...
  35. ncbi request reprint Treadmill training for the treatment of gait disturbances in people with Parkinson's disease: a mini-review
    T Herman
    Laboratory for Gait and Neurodynamics, Movement Disorders Unit and Parkinson Center, Department of Neurology, Tel Aviv Sourasky Medical Center, 6 Weizman Street, 64239, Tel Aviv, Israel
    J Neural Transm 116:307-18. 2009
    ..Additional high quality randomized controlled studies are needed before TT can be recommended with evidence-based support...
  36. pmc Dual-task decrements in gait: contributing factors among healthy older adults
    Jeffrey M Hausdorff
    Tel Aviv Sourasky Medical Center, Tel Aviv 64239, Israel
    J Gerontol A Biol Sci Med Sci 63:1335-43. 2008
    ..We hypothesized that cognitive and motor reserve (e.g., executive function [EF], postural control, and walking abilities) and affect (e.g., anxiety, depressive symptoms) influence the DT decrements (DTDs) in gait...
  37. ncbi request reprint Gait asymmetry in patients with Parkinson's disease and elderly fallers: when does the bilateral coordination of gait require attention?
    Galit Yogev
    Movement Disorders Unit, Neurology Department, Tel Aviv Sourasky Medical Center, 6 Weizman Street, Tel Aviv 64239, Israel
    Exp Brain Res 177:336-46. 2007
    ..In contrast, however, when gait becomes impaired and less automatic, GA apparently relies on cognitive input and attention...
  38. ncbi request reprint Is freezing of gait in Parkinson's disease related to asymmetric motor function?
    Meir Plotnik
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Ann Neurol 57:656-63. 2005
    ..Taken together, the results of this study suggest that bilateral uncoordinated gait and marked gait asymmetry, but not asymmetry in motor performance in general, are associated with FOG...
  39. doi request reprint An instrumented timed up and go: the added value of an accelerometer for identifying fall risk in idiopathic fallers
    A Weiss
    Laboratory for Gait and Neurodynamics, Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Physiol Meas 32:2003-18. 2011
    ..Without compromising simplicity of testing, an accelerometer can apparently be combined with TUG duration to provide complementary, objective measures that allow for a more complete, sensitive TUG-based fall risk assessment...
  40. ncbi request reprint Etiology and modification of gait instability in older adults: a randomized controlled trial of exercise
    J M Hausdorff
    Gerontology Division, Beth Israel Deaconess Medical Center, and Division on Aging, Harvard Medical School, Boston 02215, Massachusetts, USA
    J Appl Physiol (1985) 90:2117-29. 2001
    ....
  41. ncbi request reprint PhysioBank, PhysioToolkit, and PhysioNet: components of a new research resource for complex physiologic signals
    A L Goldberger
    Margret and H A Rey Laboratory for Nonlinear Dynamics in Medicine, Beth Israel Deaconess Medical Center Harvard Medical School, Boston, MA 02215, USA
    Circulation 101:E215-20. 2000
    ..physionet. org), PhysioNet offers services and training via on-line tutorials to assist users with varying levels of expertise...
  42. pmc The role of executive function and attention in gait
    Galit Yogev-Seligmann
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Mov Disord 23:329-42; quiz 472. 2008
    ..Lastly, we suggest how assessments of executive function and attention could be applied in the clinical setting as part of the process of identifying and understanding gait disorders and fall risk...
  43. doi request reprint Bilateral coordination of walking and freezing of gait in Parkinson's disease
    Meir Plotnik
    Movement Disorders Unit, Laboratory for Gait and Neurodynamics, Department of Neurology, Tel Aviv Sourasky Medical Center, Israel
    Eur J Neurosci 27:1999-2006. 2008
    ..Poor bilateral coordination of walking may predispose to FOG, especially during challenging tasks that demand a high degree of left-right coordination...
  44. doi request reprint The role of gait rhythmicity and bilateral coordination of stepping in the pathophysiology of freezing of gait in Parkinson's disease
    Meir Plotnik
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Mov Disord 23:S444-50. 2008
    ....
  45. pmc Fractal dynamics in physiology: alterations with disease and aging
    Ary L Goldberger
    Cardiovascular Division and Margret and H A Rey Laboratory for Nonlinear Dynamics in Medicine, Department of Medicine, Beth Israel Deaconess Medical Center Harvard Medical School, Boston, MA 02215, USA
    Proc Natl Acad Sci U S A 99:2466-72. 2002
    ..Elucidating the fractal and nonlinear mechanisms involved in physiologic control and complex signaling networks is emerging as a major challenge in the postgenomic era...
  46. pmc The role of higher-level cognitive function in gait: executive dysfunction contributes to fall risk in Alzheimer's disease
    Pamela L Sheridan
    Behavioral Neurology Division, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA
    Dement Geriatr Cogn Disord 24:125-37. 2007
    ..We also briefly examine the current treatment of gait instability in AD, mainly exercise, and propose a new approach targeting cognition...
  47. ncbi request reprint Influence of executive function on locomotor function: divided attention increases gait variability in Alzheimer's disease
    Pamela L Sheridan
    Department of Neurology, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
    J Am Geriatr Soc 51:1633-7. 2003
    ..To evaluate how cognitive function and divided attention affect gait in Alzheimer's disease (AD)...
  48. pmc When does walking alter thinking? Age and task associated findings
    Jennifer M Srygley
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Brain Res 1253:92-9. 2009
    ..Age-associated declines in EF apparently contribute to the difference in dual tasking abilities during walking between young and older adults...
  49. pmc Executive control deficits as a prodrome to falls in healthy older adults: a prospective study linking thinking, walking, and falling
    Talia Herman
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    J Gerontol A Biol Sci Med Sci 65:1086-92. 2010
    ..Indeed, the effects of dual tasking (DT) on gait, a challenge to executive control, are more exaggerated in persons with a history of falls. Prospective evidence is, however, lacking...
  50. ncbi request reprint Effects of cognitive challenge on gait variability in patients with Parkinson's disease
    Jeffrey M Hausdorff
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center and Sackler School of Medicine, Tel Aviv, Israel
    J Geriatr Psychiatry Neurol 16:53-8. 2003
    ..These results highlight the profound effects of attention on gait and indicate that walking while cognitively challenged impairs the ability of patients with PD to maintain a stable walk...
  51. ncbi request reprint Impaired regulation of stride variability in Parkinson's disease subjects with freezing of gait
    J M Hausdorff
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Sackler School of Medicine, Tel Aviv University, 6 Weizmann Street, 64239 Tel Aviv, Israel
    Exp Brain Res 149:187-94. 2003
    ....
  52. ncbi request reprint R-R interval variation in Parkinson's disease and multiple system atrophy
    T Yu Gurevich
    Department of Neurology, Tel Aviv Sourasky Medical Center, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
    Acta Neurol Scand 109:276-9. 2004
    ..To investigate whether the cardiac R-R interval variation (RRIV) is of value in differentiating patients with Parkinson's disease (PD) from multiple system atrophy (MSA)...
  53. ncbi request reprint Levels of complexity in scale-invariant neural signals
    Plamen Ch Ivanov
    Department of Physics and Center for Polymer Studies, Boston University, and Division of Sleep Medicine, Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 79:041920. 2009
    ....
  54. doi request reprint Deep brain stimulation effects on gait variability in Parkinson's disease
    Jeffrey M Hausdorff
    Tel Aviv Sourasky Medical Center, Israel
    Mov Disord 24:1688-92. 2009
    ..These findings suggest that different mechanisms may contribute to performance on UPDRS motor testing and gait stability in response to DBS...
  55. pmc Self-report of missteps in older adults: a valid proxy of fall risk?
    Jennifer M Srygley
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Arch Phys Med Rehabil 90:786-92. 2009
    ..To evaluate the relationship between missteps and falls and to identify factors associated with missteps, potentially to generate a broader picture of fall risk...
  56. ncbi request reprint A new measure for quantifying the bilateral coordination of human gait: effects of aging and Parkinson's disease
    Meir Plotnik
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center, 6 Weizmann St, Tel Aviv, 64239, Israel
    Exp Brain Res 181:561-70. 2007
    ..This study demonstrates that bilateral coordination of gait deteriorates with aging, further deteriorates in PD, and is not strongly associated with other spatio-temporal features of gait...
  57. ncbi request reprint Quantifying fractal dynamics of human respiration: age and gender effects
    C K Peng
    Margret and H A Rey Institute for Nonlinear Dynamics in Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
    Ann Biomed Eng 30:683-92. 2002
    ....
  58. pmc The Dynamic Gait Index in healthy older adults: the role of stair climbing, fear of falling and gender
    Talia Herman
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Israel
    Gait Posture 29:237-41. 2009
    ..Conversely, ABC scores and fall history were different. These findings suggest that the DGI, although susceptible to ceiling effects, appears to be an appropriate tool for assessing function in healthy older adults...
  59. ncbi request reprint Balance and gait in older adults with systemic hypertension
    Jeffrey M Hausdorff
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
    Am J Cardiol 91:643-5. 2003
  60. ncbi request reprint Gait dynamics in Parkinson's disease: relationship to Parkinsonian features, falls and response to levodopa
    Joanna D Schaafsma
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, and Sackler School of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
    J Neurol Sci 212:47-53. 2003
    ....
  61. ncbi request reprint Marked alterations in the gait timing and rhythmicity of patients with de novo Parkinson's disease
    Rossitza Baltadjieva
    Laboratory for Gait and Neurodynamics, Movement Disorders Unit and NPF Center for Parkinson s Disease, Department of Neurology, Tel Aviv Sourasky Medical Center, 6 Weizmann Street, Tel Aviv, 64239, Israel
    Eur J Neurosci 24:1815-20. 2006
    ..PD apparently impinges on the regulation of a consistent gait rhythm, even early in the course of the disease when observed alterations are not the result of any pharmacologic treatment...
  62. pmc Introducing a new definition of a near fall: intra-rater and inter-rater reliability
    I Maidan
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel RiVERS Lab, Department of Rehabilitation and Movement Science, University of Medicine and Dentistry of New Jersey, Newark, NJ, USA
    Gait Posture 39:645-7. 2014
    ..Therefore, a more precise definition of NF is required. The results of the present study suggest that the proposed new definition increases intra and inter-rater reliability, a critical step for using NFs to quantify fall risk...
  63. doi request reprint Can an accelerometer enhance the utility of the Timed Up & Go Test when evaluating patients with Parkinson's disease?
    Aner Weiss
    Laboratory for Gait and Neurodynamics, Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    Med Eng Phys 32:119-25. 2010
    ..We tested the hypothesis that body-fixed accelerometers can provide insight into TUG performance in PD patients...
  64. ncbi request reprint The power of cueing to circumvent dopamine deficits: a review of physical therapy treatment of gait disturbances in Parkinson's disease
    Tamar C Rubinstein
    Movement Disorders Unit, Neurology Department, Tel Aviv Sourasky Medical Center, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
    Mov Disord 17:1148-60. 2002
    ....
  65. ncbi request reprint Assessing fear of falling: Can a short version of the Activities-specific Balance Confidence scale be useful?
    Chava Peretz
    Movement Disorders Unit and Parkinson Center, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel
    Mov Disord 21:2101-5. 2006
    ..ICCs between the short and the long versions was 0.88 (HLGDs), 0.83 (PDs), and 0.78 (Controls). To conclude, the short version of the ABC has properties analogous to the parent questionnaire and is apparently useful in assessing FOF...
  66. ncbi request reprint Effects of a new radio frequency-controlled neuroprosthesis on gait symmetry and rhythmicity in patients with chronic hemiparesis
    Jeffrey M Hausdorff
    Department of Physical Therapy, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    Am J Phys Med Rehabil 87:4-13. 2008
    ..To assess the effects of a new neuroprosthesis (NESS L300) designed to ameliorate foot drop on gait symmetry and rhythmicity during walking...
  67. doi request reprint Methylphenidate for the treatment of Parkinson disease and other neurological disorders
    Eitan Auriel
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel
    Clin Neuropharmacol 32:75-81. 2009
    ....
  68. ncbi request reprint The role of mental function in the pathogenesis of freezing of gait in Parkinson's disease
    Nir Giladi
    Movement Disorders Unit, NPF Center for Parkinson s Disease, Department of Neurology, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    J Neurol Sci 248:173-6. 2006
    ..A conceptual model that explains how mental conditions may modulate FOG is developed...
  69. ncbi request reprint Six weeks of intensive treadmill training improves gait and quality of life in patients with Parkinson's disease: a pilot study
    Talia Herman
    Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Department of Physical Therapy, Sackler School of Medicine, Tel Aviv University, Israel
    Arch Phys Med Rehabil 88:1154-8. 2007
    ..To evaluate the effects of 6 weeks of intensive treadmill training on gait rhythmicity, functional mobility, and quality of life (QOL) in patients with Parkinson's disease (PD)...
  70. ncbi request reprint Randomized trial of progressive resistance training to counteract the myopathy of chronic heart failure
    C T Pu
    Nutrition, Exercise Physiology, and Sarcopenia Laboratory, Jean Mayer United States Department of Agriculture, Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA
    J Appl Physiol 90:2341-50. 2001
    ..These gains are largely explained by skeletal muscle and not resting cardiac adaptations...
  71. ncbi request reprint "Brain Screen": A self-referral, screening program for strokes, falls and dementia risk factors
    Nir Giladi
    Movement Disorders Unit, Department of Neurology, Tel Aviv Sourasky Medical Center, 6 Weizman Street, Tel Aviv 64239, Israel
    J Neurol 253:307-15. 2006
    ..Falls, strokes and dementia can be predicted and their occurrence can be delayed or even prevented by treatment of risk factors. The value of screening self-referred adults is unknown...
  72. pmc Chronic musculoskeletal pain and the occurrence of falls in an older population
    Suzanne G Leveille
    Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, Boston, MA, USA
    JAMA 302:2214-21. 2009
    ..Chronic pain is a major contributor to disability in older adults; however, the potential role of chronic pain as a risk factor for falls is poorly understood...
  73. ncbi request reprint Heart rate dynamics during three forms of meditation
    C K Peng
    Margret and H A Rey Institute for Nonlinear Dynamics in Physiology and Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
    Int J Cardiol 95:19-27. 2004
    ..This study was designed to quantify and compare the instantaneous heart rate dynamics and cardiopulmonary interactions during sequential performance of three meditation protocols with different breathing patterns...
  74. ncbi request reprint Effects of pharmacological therapy on gait and cognitive function in depressed patients
    Diana Paleacu
    Neurology Service and Memory Clinic, Abarbanel Mental Health Center, Bat Yam, Israel
    Clin Neuropharmacol 30:63-71. 2007
    ..To investigate the relationship among affective status, cognitive function, and gait in depressed patients and to evaluate the effects of treatment of depression on gait and cognitive function...
  75. ncbi request reprint Treadmill walking as an external pacemaker to improve gait rhythm and stability in Parkinson's disease
    Silvi Frenkel-Toledo
    Department of Physical Therapy, Sackler School of Medicine, Tel Aviv, Israel
    Mov Disord 20:1109-14. 2005
    ....
  76. ncbi request reprint Cognitive function may be important for fall injury prevention trials
    Jeffrey M Hausdorff
    J Am Geriatr Soc 54:865; author reply 865-6. 2006
  77. ncbi request reprint Falls and freezing of gait in Parkinson's disease: a review of two interconnected, episodic phenomena
    Bastiaan R Bloem
    Department of Neurology, University Medical Centre St Radboud, Nijmegen, The Netherlands
    Mov Disord 19:871-84. 2004
    ....
  78. ncbi request reprint Detecting scaling in the period dynamics of multimodal signals: application to Parkinsonian tremor
    Nir Sapir
    Department of Physics and Gonda Goldschmied Medical Diagnostic Research Center, Bar Ilan University, Ramat Gan 52900, Israel
    Phys Rev E Stat Nonlin Soft Matter Phys 67:031903. 2003
    ....
  79. ncbi request reprint Influence of African American elders' age stereotypes on their cardiovascular response to stress
    Becca R Levy
    Department of Epidemiology and Public Health, Yale University, New Haven, CT 06520 8034, USA
    Anxiety Stress Coping 21:85-93. 2008
    ..These results suggest that negative age stereotypes generate a susceptibility to stress among African American elders, whereas positive age may provide them with a defense against this stress...