Test–Retest Reliability of the Postural Vertical in Healthy Participants

Fujino, Yuji; Amimoto, Kazu; Fukata, Kazuhiro; Inoue, Masahide; Shida, Kohei; Takahashi, Hidetoshi; Makita, Shigeru

doi:10.2490/prm.20170013

Cited by 6 publications

(5 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Karnath et al [11] and Fukata et al [16] reported that the VP of patients with Pusher syndrome was biased toward the nonparetic or paretic side. Moreover, bilateral bias existed even in healthy participants [22][23][24]. In this study, the VP of the participants was biased to the non-paretic or paretic side, which may have prevented deviation of the total mean value.…”

Section: Discussionmentioning

confidence: 78%

“…Fujino et al [24] reported that the minimal detectable change with 95% con dence (MDC 95 ) in the SPVs of healthy participants was 1.2°. Similarly, the improvement in SPV variability errors was 2.1° after 1 month in group B in this study, which is above the MDC 95 , indicating that the true improvement in SPV variability errors occurred only in group B after 1 month.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Recovery process of vertical perception and activities of daily living in stroke: A retrospective cohort study

Sawa

Amimoto

Ishigami³

et al. 2022

Preprint

Self Cite

View full text Add to dashboard Cite

It is important to clarify the recovery process of the subjective postural vertical (SPV) and activities of daily living (ADL) in stroke to help clinicians determine treatment plans. This study aimed to investigate the characteristics of the longitudinal recovery process of SPV and ADL after stroke. In total, 109 patients with stroke were enrolled in the study. Clinical assessments included the SPV and total functional independence measure (FIM), both initially and after 1 month. The SPV mean and standard deviation values indicated the directional and variability errors, respectively. The participants were categorized as follows: group A had directional and variability errors within the standard values, group B had directional errors within the standard value range and variability errors greater than the standard values, and group C had directional and variability errors greater than the standard values. A two-way analysis of variance was performed for SPV and FIM scores (p < 0.05). Groups B and C had larger SPV variability errors than group A. Furthermore, group B showed a significant improvement in variability errors after 1 month. We found that the recovery of SPV variability might be an important predictor of ADL recovery.

show abstract

Section: Discussionmentioning

confidence: 78%

Section: Discussionmentioning

confidence: 99%

Recovery process of vertical perception and activities of daily living in stroke: A retrospective cohort study

Sawa

Amimoto

Ishigami³

et al. 2022

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

“…In this study, the VP of participants was biased toward the nonparetic or paretic side, which may have prevented the deviation of the total mean value. Fujino et al (2017) reported that the minimal detectable change with 95% confidence (MDC 95 ) in the SPVs of healthy participants was 1.2 • . Similarly, in this study, the improvement in SPV variability errors was 2.1 • after 1 month in the deviation of variability errors group, which is above the MDC 95 , indicating that true improvement in SPV variability errors occurred only in the deviation of variability errors group after 1 month.…”

Section: Discussionmentioning

confidence: 99%

“…Previous studies (Sawa et al., 2022; Fukata et al., 2020; Karnath et al., 2000) have reported that the VP of patients with Pusher syndrome was biased toward the nonparetic or paretic side. Moreover, bilateral bias existed even in healthy participants (Baggio et al., 2016; Fujino et al., 2017). In this study, the VP of participants was biased toward the nonparetic or paretic side, which may have prevented the deviation of the total mean value.…”

Section: Discussionmentioning

confidence: 99%

Recovery process of vertical perception and activities of daily living in stroke patients: A retrospective cohort study

Sawa

Amimoto

Ishigami³

et al. 2023

Brain and Behavior

Self Cite

View full text Add to dashboard Cite

Introduction: Clarifications regarding the recovery process of the subjective postural vertical (SPV) and activities of daily living in stroke patients are required to help clinicians determine treatment plans. Therefore, we aimed to investigate the characteristics of the longitudinal recovery process of SPV and activities of daily living after stroke.Methods: Overall, 109 patients with stroke were enrolled. Clinical assessments included the SPV and total functional independence measure (FIM), initially and after 1 month. The mean and standard deviation of SPV indicated the directional and variability errors, respectively. Participants were categorized as follows: nondeviation group comprised directional and variability errors within the standard values, deviation of variability errors group comprised directional errors within the standard value and variability errors greater than the standard value, and deviation of both directional and variability errors group comprised directional and variability errors greater than the standard values. In addition, a two-way analysis of variance was performed for initial pre-and post-SPV, and pre-and posttotal FIM scores (p < .05). Results:The deviation of variability errors group, and deviation of both directional and variability errors group, had larger SPV variability errors than did the nondeviation group. Furthermore, the deviation of variability errors group showed a significant improvement in variability errors after 1 month. There was a correlation between the initial SPV with eyes opened variability error and total FIM after 1 month in Pusher patients with unilateral spatial neglect in the deviation of both directional and variability errors group.Conclusions: SPV with eyes opened variability errors and initial FIM score may influence the independence of activities of daily living after 1 month in the recovery of patients with stroke with Pusher and unilateral spatial neglect.

show abstract

“…When the participant was exposed to visual flow, the CoP data was recorded, and the Standard Deviation (σ) of CoP was calculated [51]. The value of σ represents the dispersion of the CoP.…”

Section: Postural Sway (Cop Oscillation)mentioning

confidence: 99%

Detection of unrecognized spatial disorientation: A theoretical perspective

Hao

Cheng

Guo

et al. 2022

THC

View full text Add to dashboard Cite

BACKGROUND: Spatial disorientation (SD) is a problem that pilots often encounter during a flight. One reason for this problem is that among the three types of SD, there is no validated method to detect the Type I (unrecognized) SD. OBJECTIVE: In this pursuit, initially we reviewed the problems and the evaluation methods of associated with SD. Subsequently, we discussed the advantages and disadvantages of the subjective questionnaire evaluation method and the behavior evaluation method. METHODS: On the basis of these analyses, we proposed a method to detect the unrecognized SD that improved the assessment of SD to a significant extent. We developed a new direction to study the unrecognized SD based on the subjective report and the center of pressure (CoP). RESULTS: The proposed evaluation method can assist the pilots to understand the feelings and physical changes, when exposed to unrecognized SD. CONCLUSION: We hope that this evaluation method can provide a strong support in developing a countermeasure against the unrecognized SD and fundamentally solve the severe flight accidents arising due to them.

show abstract

Test–Retest Reliability of the Postural Vertical in Healthy Participants

Cited by 6 publications

References 5 publications

Recovery process of vertical perception and activities of daily living in stroke: A retrospective cohort study

Recovery process of vertical perception and activities of daily living in stroke: A retrospective cohort study

Recovery process of vertical perception and activities of daily living in stroke patients: A retrospective cohort study

Detection of unrecognized spatial disorientation: A theoretical perspective

Contact Info

Product

Resources

About