Novel characterization of subjective visual vertical in patients with unilateral spatial neglect

Mori, Kimihiko; Nakamura, Kae; Hashimoto, Shingo; Wakida, Masanori; Hase, Kimitaka

doi:10.1016/j.neures.2020.02.005

Cited by 3 publications

(13 citation statements)

References 25 publications

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“…Eleven studies were cross-sectional [11,[25][26][27][28][29][30][31][32][33][34], and 2 were longitudinal prospective studies [8,15]. In total, 431 stroke participants were studied (327 right-sided, 82 left-sided, 22 unknown) (Table 1).…”

Section: Participants and Descriptive Datamentioning

confidence: 99%

“…The reported mean/median age of the participants ranged from 52 to 71.8 years. Eleven studies assessed visuo-spatial neglect [8,11,25,[27][28][29][30][31][32][33][34], 9 with conventional paper-and-pencil tests only [8,11,25,27,29,30,[32][33][34] and 2 with the Behavioral Inattention Test Battery [28,31]. The 2 remaining studies assessed multiple types of SN using the Catherine Bergego Scale (an ecological assessment tool for SN [35]) or a behavioral scale, combined with paper-and-pencil tests [26].…”

Section: Participants and Descriptive Datamentioning

confidence: 99%

See 1 more Smart Citation

Association between spatial neglect and impaired verticality perception after stroke: A systematic review

Embrechts

Waal

Anseeuw

et al. 2023

Annals of Physical and Rehabilitation Medicine

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Section: Participants and Descriptive Datamentioning

confidence: 99%

Section: Participants and Descriptive Datamentioning

confidence: 99%

Association between spatial neglect and impaired verticality perception after stroke: A systematic review

Embrechts

Waal

Anseeuw

et al. 2023

Annals of Physical and Rehabilitation Medicine

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“…Among the 18 studies that evaluated SVV 1,10,14-29 , six compared strokes with and without unilateral spatial neglect (USN) 17,20,24,25,28,29 2007) evaluated the influence of SVV perturbations on balance recovery after stroke 1 . Four studies evaluated patients with Pusher syndrome 18,19,21,29 .…”

Section: Subjective Visual Verticalmentioning

confidence: 99%

“…The number of repetitions in these assessments ranged from 6-10 times, and the authors explained that half of the repetitions were in the counterclockwise direction and the other half in the clockwise direction 1,15,16,[18][19][20]23,26,28 . We can also highlight that the movement speed of the light in the SVV test ranged from 1 to 5°/s 28,31 .…”

Section: Subjective Visual Verticalmentioning

confidence: 99%

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Evaluation of subjective vertical perception among stroke patients: a systematic review

Ferreira

Campos

et al. 2021

Arq. Neuro-Psiquiatr.

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Background: Verticality misperception is relatively common among patients after stroke, and it may be evaluated in terms of (a) subjective visual vertical (SVV), (b) subjective haptic vertical (SHV) and (c) subjective postural vertical (SPV). To better understand these assessment methods, we conducted a systematic review of the methodological characteristics of different protocols for evaluating SVV, SHV and SPV among individuals after stroke. Objective: To standardize the methodological characteristics of protocols for evaluating verticality perception after stroke. Methods: We searched the following databases: PUBMED, regional BVS portal (MEDLINE, LILACS, IBECS, CUBMED, Psychology Index and LIS), CINAHL, SCOPUS, Web of Science, Science Direct, Cochrane Library and PEDro. Two review authors independently used the QUADAS method (Quality Assessment of Diagnostic Accuracy Studies) and extracted data. Results: We included 21 studies in the review: most (80.9%) used SVV, eight (38.1%) used SPV and four (19.0%) used SHV. We observed high variability in assessments of verticality perception, due to patient positions, devices used, numbers of repetitions and angle of inclination for starting the tests. Conclusion: This systematic review was one of the first to explore all the methods of assessing verticality perception after stroke, and it provides crucial information on how to perform the tests, in order to guide future researchers/clinicians.

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Do we need to consider head-on-body position, starting roll position and presence of visuospatial neglect when assessing perception of verticality after stroke?

van der Waal,

Embrechts,

Truijen

et al. 2023

Topics in Stroke Rehabilitation

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BACKGROUND AND OBJECTIVEConsidering various factors influence the accuracy of the Subjective Visual Vertical (SVV) and Subjective Postural Vertical (SPV), standardization of assessment methods is needed. This retrospective study examined the contribution of Head-on-Body (HOB) position, starting roll position (SRP) and visuospatial neglect (VSN) to SVV and SPV constant errors (i.e., deviation from true vertical). Also, the contribution of HOB position and VSN presence to SVV and SPV variability (i.e., intra-individual consistency between trials) was assessed METHODSFirst-ever unilateral hemispheric stroke survivors (<85 years; <100 days post-stroke) were assessed with three HOB positions (neutral, contralesional and ipsilesional) and seven starting positions (20° contralesional to 20° ipsilesional) of the laser bar and tilt chair. Linear mixed models were selected to evaluate the contribution of HOB, SRP and VSN to SVV/SPV constant errors and variability. RESULTSThirty-four subjects (24 VSN-/ 10 VSN+) were assessed. A tilted HOB position led to significantly higher constant errors for the SVV and SPV (latter only in the VSN-group), and an increased SVV variability. SRP only significantly contributed to the SVV constant errors and only in the VSN-group. Furthermore, VSN presence resulted in a significantly higher SVV and SPV variability. CONCLUSIONSHOB position, SRP and VSN presence are important factors to consider during SVV and SPV measurements. Assessment with a neutral HOB position leads to more accurate results. HOB position and SRP influence the results of the SVV and SPV differently in individuals with and without VSN, which highlights the relevance of VSN assessment.

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Novel characterization of subjective visual vertical in patients with unilateral spatial neglect

Cited by 3 publications

References 25 publications

Association between spatial neglect and impaired verticality perception after stroke: A systematic review

Association between spatial neglect and impaired verticality perception after stroke: A systematic review

Evaluation of subjective vertical perception among stroke patients: a systematic review

Do we need to consider head-on-body position, starting roll position and presence of visuospatial neglect when assessing perception of verticality after stroke?

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