Abstract
The static stabilometry patterns associated with Parkinson's disease (PD, n = 15) and spinocerebellar ataxia (SCA, n = 15) were compared with those of normal control (n = 15) by measuring the fractal dimensions. Fractal dimensions were estimated using the modified pixel dilation (mPD) method. The fractal dimensions with closed eyes showed a significant correlation with Environmental area for SCA group (p <0.05). The fractal dimension for SCA group was significantly higher with closed eyes than that with open eyes (p <0.05). The fractal dimension with closed eyes was significantly higher in PD and SCA groups than that in normal group (p <0.05). The fractal dimension with closed eyes was higher when the clinical stage was more severe with PD and SCA group while Environmental and Longitude/Environmental areas were not. These findings suggest that the fractal dimension is more sensitive than traditional stabilometric analysis in an evaluation of postural instability in PD and SCA.
| Original language | English |
|---|---|
| Pages (from-to) | 397-404 |
| Number of pages | 8 |
| Journal | Neurological Research |
| Volume | 23 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2001 |
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Keywords
- Fractal dimension
- Parkinson's disease
- Spinocerebellar ataxia
- Static stabilometry
ASJC Scopus subject areas
- Clinical Neurology
- Neuroscience(all)
Cite this
Fractal dimension analysis of static stabilometry in Parkinson's disease and spinocerebellar ataxia. / Manabe, Y.; Honda, E.; Shiro, Y.; Sakai, K.; Kohira, I.; Kashihara, K.; Shohmori, T.; Abe, Koji.
In: Neurological Research, Vol. 23, No. 4, 2001, p. 397-404.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Fractal dimension analysis of static stabilometry in Parkinson's disease and spinocerebellar ataxia
AU - Manabe, Y.
AU - Honda, E.
AU - Shiro, Y.
AU - Sakai, K.
AU - Kohira, I.
AU - Kashihara, K.
AU - Shohmori, T.
AU - Abe, Koji
PY - 2001
Y1 - 2001
N2 - The static stabilometry patterns associated with Parkinson's disease (PD, n = 15) and spinocerebellar ataxia (SCA, n = 15) were compared with those of normal control (n = 15) by measuring the fractal dimensions. Fractal dimensions were estimated using the modified pixel dilation (mPD) method. The fractal dimensions with closed eyes showed a significant correlation with Environmental area for SCA group (p <0.05). The fractal dimension for SCA group was significantly higher with closed eyes than that with open eyes (p <0.05). The fractal dimension with closed eyes was significantly higher in PD and SCA groups than that in normal group (p <0.05). The fractal dimension with closed eyes was higher when the clinical stage was more severe with PD and SCA group while Environmental and Longitude/Environmental areas were not. These findings suggest that the fractal dimension is more sensitive than traditional stabilometric analysis in an evaluation of postural instability in PD and SCA.
AB - The static stabilometry patterns associated with Parkinson's disease (PD, n = 15) and spinocerebellar ataxia (SCA, n = 15) were compared with those of normal control (n = 15) by measuring the fractal dimensions. Fractal dimensions were estimated using the modified pixel dilation (mPD) method. The fractal dimensions with closed eyes showed a significant correlation with Environmental area for SCA group (p <0.05). The fractal dimension for SCA group was significantly higher with closed eyes than that with open eyes (p <0.05). The fractal dimension with closed eyes was significantly higher in PD and SCA groups than that in normal group (p <0.05). The fractal dimension with closed eyes was higher when the clinical stage was more severe with PD and SCA group while Environmental and Longitude/Environmental areas were not. These findings suggest that the fractal dimension is more sensitive than traditional stabilometric analysis in an evaluation of postural instability in PD and SCA.
KW - Fractal dimension
KW - Parkinson's disease
KW - Spinocerebellar ataxia
KW - Static stabilometry
UR - http://www.scopus.com/inward/record.url?scp=0034978545&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0034978545&partnerID=8YFLogxK
U2 - 10.1179/016164101101198613
DO - 10.1179/016164101101198613
M3 - Article
VL - 23
SP - 397
EP - 404
JO - Neurological Research
JF - Neurological Research
SN - 0161-6412
IS - 4
ER -