Parkinson's disease (PD) is one of the most common movement disorders,
affecting approximately 1 million Americans (estimates range between 4
and 6.5 million people worldwide) and about 1% of older adults. In
the US alone, 60,000 new cases are diagnosed each year. PD is a
chronic and progressive neurological disorder that results in tremor,
rigidity, slowness, and postural instability. A disturbed gait is a
common, debilitating symptom; patients with severe gait disturbances
are prone to falls and may lose their functional independence.
This database contains measures of gait from 93 patients with
idiopathic PD (mean age: 66.3 years; 63% men), and 73 healthy controls
(mean age: 66.3 years; 55% men). The database includes the vertical
ground reaction force records of subjects as they walked at their
usual, self-selected pace for approximately 2 minutes on level ground.
Underneath each foot were 8 sensors
(Ultraflex Computer
Dyno Graphy, Infotronic Inc.) that measure force (in Newtons) as a
function of time. The output of each of these 16 sensors has been
digitized and recorded at 100 samples per second, and the records also
include two signals that reflect the sum of the 8 sensor outputs for
each foot. For details about the format of the data, please
see this note.
With this information, one can investigate the force record as a
function of time and location, derive measures that reflect the
center-of-pressure as a function of time, and determine timing
measures (e.g., stride time, swing time) for each foot as functions
of time. Thus, one can study the stride-to-stride dynamics and the
variability of these time series.
This database also includes demographic information, measures of
disease severity (i.e., using the Hoehn & Yahr staging and/or the
Unified Parkinson's Disease Rating Scale) and other related measures
(available in
HTML or xls
spreadsheet format).
A subset of the database includes measures recorded as subjects
performed a second task (serial 7 subtractions) while walking, as in
the figure above, which shows excerpts of swing time series from a
patient with PD (lower panels) and a control subject (upper panels),
under usual walking conditions (at left) and when performing serial 7
subtractions (at right). Under usual walking conditions, variability
is larger in the patient with PD (Coefficient of Variation =
2.7%), compared to the control subject (CV = 1.3%). Variability
increases during dual tasking in the subject with PD (CV = 6.5%), but
not in the control subject (CV = 1.2%). From Yogev et al. (reference
[4] below).
References
-
Frenkel-Toledo S, Giladi N, Peretz C, Herman T, Gruendlinger L, Hausdorff JM.
Effect
of gait speed on gait rhythmicity in Parkinson's disease: variability of
stride time and swing time respond differently.
Journal of NeuroEngineering and Rehabilitation 2005: 2:23.
-
Frenkel-Toledo, S, Giladi N, Peretz C, Herman T, Gruendlinger L, Hausdorff JM.
Treadmill walking as a pacemaker to improve gait rhythm and
stability in Parkinson's disease.
Movement Disorders 2005; 20(9):1109-1114.
-
Hausdorff JM, Lowenthal J, Herman T, Gruendlinger L, Peretz C, Giladi N.
Rhythmic auditory stimulation modulates gait variability in
Parkinson's disease
Eur J Neuroscience 2007; 26: 2369-2375.
-
Yogev G, Giladi N, Peretz C, Springer S, Simon ES, Hausdorff JM.
Dual tasking, gait rhythmicity, and Parkinson's disease: Which
aspects of gait are attention demanding?
Eur J Neuroscience 2005; 22:1248-1256.
For more information about PD,
see Parkinson's Disease: Hope Through Research at the
NIH NINDS web site,
and Living With Parkinson's at the web site of the
Michael J. Fox Foundation for Parkinson's Research.
This work was supported in part by grants from the National Institutes
of Health, National Parkinson Foundation, and the Parkinson's
Disease Foundation and was collected at the Laboratory for Gait
& Neurodynamics, Movement Disorders Unit of the Tel-Aviv Sourasky
Medical Center. For more information, please contact Dr. Jeffrey
M. Hausdorff
(jhausdor@tasmc.health.gov.il
or jhausdor@bidmc.harvard.edu).
Name Last modified Size Description
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Parent Directory -
![[TXT]](/icons/text.gif)
GaPt03_01.txt 2004-11-14 19:02 1.1M
SiPt02_01.txt 2004-11-14 19:04 1.0M
SiPt04_01.txt 2004-11-14 19:05 1.0M
GaPt04_01.txt 2004-11-14 19:05 1.1M
SiPt05_01.txt 2004-11-14 19:06 1.0M
GaPt05_01.txt 2004-11-14 19:06 1.0M
SiPt07_01.txt 2004-11-14 19:07 1.0M
GaPt06_01.txt 2004-11-14 19:07 1.1M
SiPt08_01.txt 2004-11-14 19:08 1.0M
SiPt09_01.txt 2004-11-14 19:08 1.0M
GaPt07_01.txt 2004-11-14 19:08 1.1M
SiPt10_01.txt 2004-11-14 19:09 1.0M
GaPt07_02.txt 2004-11-14 19:09 1.0M
GaPt08_01.txt 2004-11-14 19:10 1.0M
GaPt08_02.txt 2004-11-14 19:13 1.0M
SiPt12_01.txt 2004-11-14 19:13 1.0M
GaPt09_01.txt 2004-11-14 19:13 1.0M
SiPt13_01.txt 2004-11-14 19:14 1.0M
GaPt09_02.txt 2004-11-14 19:14 1.0M
SiPt14_01.txt 2004-11-14 19:15 1.0M
SiPt15_01.txt 2004-11-14 19:16 1.1M
SiPt16_01.txt 2004-11-14 19:16 1.0M
SiPt17_01.txt 2004-11-14 19:17 1.0M
SiPt18_01.txt 2004-11-14 19:17 1.1M
SiPt19_01.txt 2004-11-14 19:18 1.0M
SiPt20_01.txt 2004-11-14 19:18 1.1M
SiPt21_01.txt 2004-11-14 19:19 1.0M
SiPt22_01.txt 2004-11-14 19:19 1.1M
SiPt23_01.txt 2004-11-14 19:20 1.0M
GaPt12_01.txt 2004-11-14 19:20 1.0M
SiPt24_01.txt 2004-11-14 19:20 1.0M
GaPt12_02.txt 2004-11-14 19:20 1.0M
SiPt25_01.txt 2004-11-14 19:21 1.1M
SiPt27_01.txt 2004-11-14 19:21 1.1M
GaPt13_01.txt 2004-11-14 19:21 1.1M
SiPt28_01.txt 2004-11-14 19:21 1.1M
GaPt13_02.txt 2004-11-14 19:22 1.1M
SiPt29_01.txt 2004-11-14 19:22 1.1M
SiPt30_01.txt 2004-11-14 19:22 1.1M
GaPt14_01.txt 2004-11-14 19:22 1.0M
SiPt31_01.txt 2004-11-14 19:22 1.1M
GaPt14_02.txt 2004-11-14 19:23 1.0M
SiPt32_01.txt 2004-11-14 19:23 1.0M
GaPt15_01.txt 2004-11-14 19:23 1.0M
SiPt33_01.txt 2004-11-14 19:23 1.1M
GaPt15_02.txt 2004-11-14 19:24 1.0M
SiPt34_01.txt 2004-11-14 19:24 1.0M
SiPt35_01.txt 2004-11-14 19:24 1.0M
GaPt16_01.txt 2004-11-14 19:24 1.1M
SiPt36_01.txt 2004-11-14 19:24 1.0M
SiPt37_01.txt 2004-11-14 19:25 1.0M
GaPt16_02.txt 2004-11-14 19:25 1.1M
SiPt38_01.txt 2004-11-14 19:26 1.0M
SiPt39_01.txt 2004-11-14 19:26 1.1M
GaPt17_01.txt 2004-11-14 19:26 1.1M
SiPt40_01.txt 2004-11-14 19:26 1.1M
GaPt17_02.txt 2004-11-14 19:27 1.1M
GaPt18_01.txt 2004-11-14 19:27 1.1M
SiCo01_01.txt 2004-11-14 19:27 1.0M
GaPt18_02.txt 2004-11-14 19:27 1.1M
SiCo03_01.txt 2004-11-14 19:28 1.0M
GaPt19_01.txt 2004-11-14 19:28 1.1M
SiCo04_01.txt 2004-11-14 19:28 1.1M
GaPt19_02.txt 2004-11-14 19:28 1.0M
SiCo05_01.txt 2004-11-14 19:29 1.1M
GaPt20_01.txt 2004-11-14 19:29 1.1M
SiCo06_01.txt 2004-11-14 19:29 1.0M
GaPt20_02.txt 2004-11-14 19:29 1.1M
SiCo07_01.txt 2004-11-14 19:30 1.0M
SiCo08_01.txt 2004-11-14 19:30 1.0M
GaPt21_01.txt 2004-11-14 19:30 1.0M
SiCo09_01.txt 2004-11-14 19:30 1.0M
GaPt21_02.txt 2004-11-14 19:30 1.1M
SiCo10_01.txt 2004-11-14 19:31 1.0M
SiCo11_01.txt 2004-11-14 19:31 1.0M
GaPt22_01.txt 2004-11-14 19:31 1.0M
SiCo12_01.txt 2004-11-14 19:31 1.0M
GaPt22_02.txt 2004-11-14 19:32 1.1M
SiCo13_01.txt 2004-11-14 19:32 1.0M
SiCo14_01.txt 2004-11-14 19:32 1.1M
GaPt23_01.txt 2004-11-14 19:32 1.1M
SiCo15_01.txt 2004-11-14 19:33 1.0M
GaPt23_02.txt 2004-11-14 19:33 1.1M
SiCo16_01.txt 2004-11-14 19:33 1.1M
GaPt24_01.txt 2004-11-14 19:33 1.0M
SiCo17_01.txt 2004-11-14 19:33 1.0M
SiCo18_01.txt 2004-11-14 19:34 1.0M
GaPt24_02.txt 2004-11-14 19:34 1.0M
SiCo19_01.txt 2004-11-14 19:34 1.0M
GaPt25_01.txt 2004-11-14 19:34 1.0M
SiCo20_01.txt 2004-11-14 19:34 1.1M
GaPt25_02.txt 2004-11-14 19:35 1.0M
SiCo21_01.txt 2004-11-14 19:35 1.0M
SiCo22_01.txt 2004-11-14 19:35 1.0M
GaPt26_01.txt 2004-11-14 19:35 1.1M
SiCo23_01.txt 2004-11-14 19:35 1.0M
GaPt26_02.txt 2004-11-14 19:36 1.1M
SiCo24_01.txt 2004-11-14 19:36 1.0M
SiCo25_01.txt 2004-11-14 19:36 1.1M
GaPt27_01.txt 2004-11-14 19:36 1.1M
SiCo26_01.txt 2004-11-14 19:37 1.0M
GaPt27_02.txt 2004-11-14 19:37 1.1M
SiCo27_01.txt 2004-11-14 19:37 1.0M
GaPt28_01.txt 2004-11-14 19:37 1.1M
SiCo28_01.txt 2004-11-14 19:37 1.1M
GaPt28_02.txt 2004-11-14 19:38 1.1M
SiCo29_01.txt 2004-11-14 19:38 1.0M
SiCo30_01.txt 2004-11-14 19:38 1.0M
GaPt29_01.txt 2004-11-14 19:38 1.0M
GaPt29_02.txt 2004-11-14 19:38 1.0M
GaPt30_01.txt 2004-11-14 19:39 1.1M
GaPt30_02.txt 2004-11-14 19:39 1.1M
GaPt31_01.txt 2004-11-14 19:42 1.1M
GaPt31_02.txt 2004-11-14 19:42 1.1M
GaPt32_01.txt 2004-11-14 19:43 1.0M
GaPt32_02.txt 2004-11-14 19:44 1.0M
GaPt33_01.txt 2004-11-14 19:44 1.1M
GaPt33_02.txt 2004-11-14 19:45 1.1M
GaCo01_01.txt 2004-11-14 19:50 1.1M
GaCo02_01.txt 2004-11-14 19:50 1.0M
GaCo02_02.txt 2004-11-14 19:52 1.0M
GaCo03_01.txt 2004-11-14 19:52 1.1M
GaCo03_02.txt 2004-11-14 19:52 1.1M
GaCo04_01.txt 2004-11-14 19:53 1.0M
GaCo04_02.txt 2004-11-14 19:53 1.0M
GaCo05_01.txt 2004-11-14 19:54 1.1M
GaCo05_02.txt 2004-11-14 19:54 1.1M
GaCo06_01.txt 2004-11-14 19:55 1.0M
GaCo06_02.txt 2004-11-14 19:58 1.0M
GaCo07_01.txt 2004-11-14 19:59 1.0M
GaCo07_02.txt 2004-11-14 19:59 1.0M
GaCo08_01.txt 2004-11-14 20:00 1.0M
GaCo08_02.txt 2004-11-14 20:01 1.0M
GaCo09_01.txt 2004-11-14 20:01 1.0M
GaCo09_02.txt 2004-11-14 20:02 1.0M
GaCo10_01.txt 2004-11-14 20:03 1.0M
GaCo10_02.txt 2004-11-14 20:04 1.0M
GaCo11_01.txt 2004-11-14 20:05 1.1M
GaCo12_01.txt 2004-11-14 20:06 1.0M
GaCo13_01.txt 2004-11-14 20:07 1.1M
GaCo13_02.txt 2004-11-14 20:09 1.0M
GaCo14_01.txt 2004-11-14 20:10 1.0M
GaCo14_02.txt 2004-11-14 20:10 1.0M
GaCo15_01.txt 2004-11-14 20:10 1.0M
GaCo16_01.txt 2004-11-14 20:11 1.0M
GaCo16_02.txt 2004-11-14 20:11 1.0M
GaCo15_02.txt 2004-11-14 20:12 1.0M
GaCo17_01.txt 2004-11-14 20:12 1.0M
GaCo17_02.txt 2004-11-14 20:13 1.0M
GaCo22_01.txt 2004-11-14 20:23 1.0M
JuCo01_01.txt 2005-01-12 18:14 482K
JuCo02_01.txt 2005-01-12 18:14 361K
JuCo03_01.txt 2005-01-12 18:16 362K
JuCo04_01.txt 2005-01-12 18:17 787K
JuCo05_01.txt 2005-01-12 18:18 736K
JuCo06_01.txt 2005-01-12 18:18 1.0M
JuCo07_01.txt 2005-01-12 18:19 685K
JuCo08_01.txt 2005-01-12 18:19 757K
JuCo09_01.txt 2005-01-12 18:20 675K
JuCo11_01.txt 2005-01-12 18:22 762K
JuCo12_01.txt 2005-01-12 18:23 852K
JuCo13_01.txt 2005-01-12 18:43 786K
JuCo14_01.txt 2005-01-12 18:44 706K
JuCo15_01.txt 2005-01-12 18:44 795K
JuCo16_01.txt 2005-01-12 18:45 668K
JuCo17_01.txt 2005-01-12 18:45 615K
JuCo18_01.txt 2005-01-12 18:46 788K
JuCo19_01.txt 2005-01-12 18:46 741K
JuCo20_01.txt 2005-01-12 18:47 959K
JuCo21_01.txt 2005-01-12 18:47 859K
JuCo22_01.txt 2005-01-12 18:48 844K
JuCo23_01.txt 2005-01-12 18:48 865K
JuCo24_01.txt 2005-01-12 18:49 691K
JuCo25_01.txt 2005-01-12 18:49 737K
JuCo26_01.txt 2005-01-12 18:49 692K
JuPt01_01.txt 2005-01-12 18:51 692K
JuPt02_01.txt 2005-01-12 18:52 476K
JuPt03_01.txt 2005-01-12 18:52 463K
JuPt04_01.txt 2005-01-12 18:53 582K
JuPt05_01.txt 2005-01-12 18:53 363K
JuPt06_01.txt 2005-01-12 18:54 632K
JuPt07_01.txt 2005-01-12 18:54 401K
JuPt08_01.txt 2005-01-12 18:55 382K
JuPt09_01.txt 2005-01-12 18:55 912K
JuPt10_01.txt 2005-01-12 18:56 848K
JuPt11_01.txt 2005-01-12 18:56 1.2M
JuPt12_01.txt 2005-01-12 18:57 881K
JuPt13_01.txt 2005-01-12 18:57 1.4M
JuPt14_01.txt 2005-01-12 18:58 1.0M
JuPt15_01.txt 2005-01-12 18:58 857K
JuPt16_01.txt 2005-01-12 18:58 1.3M
JuPt17_01.txt 2005-01-12 18:59 874K
JuPt18_01.txt 2005-01-12 18:59 2.4M
JuPt19_01.txt 2005-01-12 19:00 823K
JuPt20_01.txt 2005-01-12 19:00 834K
JuPt21_01.txt 2005-01-12 19:01 1.6M
JuPt22_01.txt 2005-01-12 19:02 754K
JuPt23_01.txt 2005-01-12 19:02 753K
JuPt24_01.txt 2005-01-12 19:03 1.1M
JuPt25_01.txt 2005-01-12 19:06 846K
JuPt26_01.txt 2005-01-12 19:06 1.0M
JuPt27_01.txt 2005-01-12 19:07 899K
JuPt28_01.txt 2005-01-12 19:07 820K
JuPt29_01.txt 2005-01-12 19:08 902K
JuPt01_02.txt 2005-01-12 19:17 482K
JuPt03_02.txt 2005-01-12 19:17 405K
JuPt06_02.txt 2005-01-12 19:19 619K
JuPt09_02.txt 2005-01-12 19:20 859K
JuPt10_02.txt 2005-01-12 19:20 877K
JuPt11_02.txt 2005-01-12 19:21 1.3M
JuPt15_02.txt 2005-01-12 19:22 856K
JuPt20_02.txt 2005-01-12 19:22 802K
JuPt21_02.txt 2005-01-12 19:23 1.5M
JuPt23_02.txt 2005-01-12 19:34 786K
JuPt24_02.txt 2005-01-12 19:34 1.0M
JuPt28_02.txt 2005-01-12 19:35 818K
JuPt29_02.txt 2005-01-12 19:35 747K
JuPt01_03.txt 2005-01-12 19:43 492K
JuPt01_04.txt 2005-01-12 19:43 450K
JuPt01_05.txt 2005-01-12 19:44 434K
JuPt01_06.txt 2005-01-12 19:44 441K
JuPt03_03.txt 2005-01-12 19:45 400K
JuPt03_04.txt 2005-01-12 19:46 413K
JuPt03_05.txt 2005-01-12 19:46 411K
JuPt03_06.txt 2005-01-12 19:46 408K
JuPt03_07.txt 2005-01-12 19:47 404K
JuPt06_03.txt 2005-01-12 19:50 564K
JuPt06_04.txt 2005-01-12 19:50 544K
JuPt06_05.txt 2005-01-12 19:50 570K
JuPt06_06.txt 2005-01-12 19:54 581K
JuPt06_07.txt 2005-01-12 19:55 581K
JuPt09_03.txt 2005-01-12 19:55 826K
JuPt09_04.txt 2005-01-12 19:56 797K
JuPt09_05.txt 2005-01-12 19:56 774K
JuPt10_03.txt 2005-01-12 20:00 827K
JuPt10_04.txt 2005-01-12 20:00 831K
JuPt10_05.txt 2005-01-12 20:01 842K
JuPt10_06.txt 2005-01-12 20:01 854K
JuPt10_07.txt 2005-01-12 20:02 822K
JuPt11_03.txt 2005-01-12 20:02 1.2M
JuPt11_04.txt 2005-01-12 20:02 1.1M
JuPt11_05.txt 2005-01-12 20:03 1.1M
JuPt11_06.txt 2005-01-12 20:03 1.1M
JuPt11_07.txt 2005-01-12 20:04 1.0M
JuPt15_03.txt 2005-01-12 20:04 770K
JuPt15_04.txt 2005-01-12 20:05 770K
JuPt15_05.txt 2005-01-12 20:05 775K
JuPt15_06.txt 2005-01-12 20:05 774K
JuPt15_07.txt 2005-01-12 20:06 753K
JuPt20_03.txt 2005-01-12 20:06 768K
JuPt20_04.txt 2005-01-12 20:07 794K
JuPt20_05.txt 2005-01-12 20:07 815K
JuPt20_06.txt 2005-01-12 20:08 782K
JuPt20_07.txt 2005-01-12 20:08 771K
JuPt21_03.txt 2005-01-12 20:09 1.5M
JuPt21_04.txt 2005-01-12 20:09 1.4M
JuPt21_05.txt 2005-01-12 20:09 1.5M
JuPt21_06.txt 2005-01-12 20:10 1.3M
JuPt21_07.txt 2005-01-12 20:10 1.5M
JuPt23_03.txt 2005-01-12 20:11 719K
JuPt23_04.txt 2005-01-12 20:11 673K
JuPt23_05.txt 2005-01-12 20:12 682K
JuPt23_06.txt 2005-01-12 20:12 631K
JuPt23_07.txt 2005-01-12 20:12 618K
JuPt26_03.txt 2005-01-12 20:15 1.0M
JuPt26_04.txt 2005-01-12 20:16 1.0M
JuPt26_05.txt 2005-01-12 20:16 1.0M
JuPt26_06.txt 2005-01-12 20:16 1.0M
JuPt26_07.txt 2005-01-12 20:17 1.0M
JuPt28_03.txt 2005-01-12 20:17 794K
JuPt28_04.txt 2005-01-12 20:18 859K
JuPt28_05.txt 2005-01-12 20:18 809K
JuPt28_06.txt 2005-01-12 20:19 847K
JuPt28_07.txt 2005-01-12 20:19 832K
JuPt29_03.txt 2005-01-12 20:19 747K
JuPt29_04.txt 2005-01-12 20:20 759K
JuPt29_05.txt 2005-01-12 20:20 757K
JuPt29_06.txt 2005-01-12 20:20 780K
JuPt29_07.txt 2005-01-12 20:21 857K
GaPt13_10.txt 2005-10-26 14:46 1.1M
GaPt14_10.txt 2005-10-26 14:47 1.0M
GaPt15_10.txt 2005-10-26 14:47 1.0M
GaPt16_10.txt 2005-10-26 14:48 1.1M
GaPt17_10.txt 2005-10-26 14:49 1.1M
GaPt18_10.txt 2005-10-26 14:49 1.1M
GaPt19_10.txt 2005-10-26 14:50 1.1M
GaPt20_10.txt 2005-10-26 14:51 1.1M
GaPt21_10.txt 2005-10-26 14:51 1.1M
GaPt22_10.txt 2005-10-26 14:52 1.1M
GaPt23_10.txt 2005-10-26 14:52 1.1M
GaPt24_10.txt 2005-10-26 14:53 1.1M
GaPt25_10.txt 2005-10-26 14:53 1.0M
GaPt26_10.txt 2005-10-26 14:54 1.1M
GaPt27_10.txt 2005-10-26 14:55 1.1M
GaPt28_10.txt 2005-10-26 14:55 1.1M
GaPt29_10.txt 2005-10-26 14:56 1.0M
GaPt30_10.txt 2005-10-26 14:57 1.1M
GaPt31_10.txt 2005-10-26 14:57 1.1M
GaPt32_10.txt 2005-10-26 14:58 1.1M
GaPt33_10.txt 2005-10-26 14:58 1.1M
GaCo13_10.txt 2005-10-26 15:00 1.0M
GaCo14_10.txt 2005-10-26 15:01 1.0M
GaCo15_10.txt 2005-10-26 15:01 1.0M
GaCo16_10.txt 2005-10-26 15:02 461K
GaCo22_10.txt 2005-10-26 15:05 1.0M
GaCo17_10.txt 2005-10-26 15:06 1.0M
demographics.txt 2006-06-04 15:18 15K
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gaitpd.png 2007-09-06 14:01 22K
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demographics.xls 2008-02-25 11:41 46K
format.txt 2008-02-25 11:53 2.3K
demographics.html 2008-02-25 14:59 104K
DOI 2019-02-19 14:12 19
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