Field Dependence and Body Balance

Kitamura, Fumiaki; Matsunaga, Katsuya

doi:10.2466/pms.1990.71.3.723

Cited by 10 publications

(6 citation statements)

References 12 publications

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“…IOtamura and Matsunga (19) found that women and elderly people have an increased score on visual field dependence; however, the equal distribution of subjects across groups by age and sex in our experiments rules out an interpretation of our results by these factors. Evaluations of the subjective vertical have been previously reported in Parkinson's disease patients, but the results are inconsistent from one study to another.…”

Section: Discussioncontrasting

confidence: 73%

Increased Visual Dependence in Parkinson's Disease

et al. 2002

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The present study tested the hypothesis that there is increased visual dependence perceptually in patients with Parkinson's disease. We also evaluated whether the visual control of posture and locomotion was related to perceptual visual field dependence. 21 patients with idiopathic Parkinson's disease and 22 age-matched normal subjects were compared on judgment of the visual vertical using the Rod-and-Frame test with visual perturbations in the frontal plane with a tilted frame. Patients had significantly larger errors than controls in the estimation of the subjective vertical. In the same experiment, we performed a posture and a gait analysis in both groups. Posturographic evaluation did not indicate significant differences in unsteadiness between patients and controls. Gait analysis indicated a typical pattern of reduced velocity, shortened stride length, and normal step width. A significant correlation of .89 was found only in the Parkinsonian group between their errors in estimating subjective visual vertical and the Romberg quotient evaluating visual contribution to postural control. No specific locomotor pattern was correlated with visual dependence. Considering our results and previous reports on the visual control of posture, we conclude that patients with Parkinson's disease showed a significantly increased dependence upon visual information both perceptually and motorically, with an increased perceptual visual dependence in the patients being predictive of an equivalent visual dependence or visual control of posture and equilibrium.

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Section: Discussioncontrasting

confidence: 73%

Increased Visual Dependence in Parkinson's Disease

et al. 2002

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“…The visual field dependence-independence thus appears to be a good predictor of the subject's global ability to stabilise both the head and whole body efficiently. Similar but smaller differences between FD and FI subjects were previously found in women standing with the feet together, suggesting that these differences may be task-and/or sex-dependent (Kitamura and Matsunaga 1990).…”

Section: Discussionsupporting

confidence: 58%

Selection of spatial frame of reference and postural control variability

Isableu¹,

Ohlmann²,

Crémieux³

et al. 1997

Exp Brain Res

144

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The present paper addresses the question of the possible links between perceptive visual field dependence-independence and the visual contribution to postural control. In our differential approach, visual field dependent (FD) and independent (FI) subjects were selected on the basis of their score in the Rod and Frame Test (subjective vertical). The hypothesis that we have tested is that the FD subjects use mainly visual cues for estimating not only their subjective vertical but also their body orientation and stability. Moreover, we have postulated that these subjects use mainly dynamic visual cues to control their postural stability. In the postural test, the selected subjects were instructed to stand in the sharpened Romberg position in darkness and under normal or stroboscopic illumination, in front of either a vertical or a tilted frame. Lateral head and body orientation and stability were measured. We found that: (1) all subjects leaned slightly towards the tilted frame (postural frame effect), and this was obtained on the basis of the static visual cues alone; (2) FD subjects were less stable than FI subjects, and their stability required the use of dynamic visual cues, mainly extracted from the vertical frame. In FI subjects, static visual cues may act as a complementary regulation, enhancing stability even with a strobe tilted frame. We thus demonstrate that visual field dependence interacts with the visual contribution to postural control.

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“…It is well known that motor action and depth vision are linked (Wexler & van Boxtel, 2005) and that some participants rely more on visual cues to control balance than others (Kitamura & Matsunaga, 1990). Participants with an increased dependence on visual field information (FD) are characterized as less physically stable and more reliant on visual cues (particularly motion visual cues) for controlling body stabilization.…”

Section: Visual Dependence and Motionmentioning

confidence: 99%