Relation between sound lateralization abilities and behavioural inattention test scores in unilateral spatial neglect patients

Sunahara, Nobuyuki; Notoya, Masako

doi:10.2496/hbfr.25.306

Cited by 2 publications

(2 citation statements)

References 22 publications

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“…The Letter Cancellation Test is not standardised, and each institute uses its own form. However, the Japanese version of the Behavioral Inattention Test (Ishiai, 1999) is commonly used in Japan (Misonou et al, 2001;Shindo et al, 2006;Sunahara & Notoya, 2005).…”

Section: Measures and Proceduresmentioning

confidence: 99%

Influence of Colour Lightness Differences in Patients With Left Unilateral Spatial Neglect

Sato¹,

Tsubahara

Aoyagi

et al. 2010

The Australian Journal of Rehabilitation Counselling

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We used desk-based tasks to evaluate and clarify the effects of colour lightness differences (Liebmann effect) in patients with left unilateral spatial neglect (USN) following stroke. Participants were 30 adults with USN (16 men and 14 women; mean age = 72.3 years, SD = 8.9 years). They took the ‘Letter Cancellation Test’ of the Japanese version of the Behavioral Inattention Test using two types of paper: black letters with a yellow background (‘black on yellow’) and red letters with a green background (‘red on green’). They also took the Line Bisection Test and their laterality index (LI) was also determined. Paired t-tests were computed comparing the LI by colour displays. LI was higher for ‘black on yellow’ than for ‘red on green’ in patients with mild left USN. However, LI for ‘red on green’ was higher in patients with severe left USN. Colour lightness differences are likely on the left side in patients with relatively mild left USN, but not in those with severe left USN.

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Section: Measures and Proceduresmentioning

confidence: 99%

Influence of Colour Lightness Differences in Patients With Left Unilateral Spatial Neglect

Sato¹,

Tsubahara

Aoyagi

et al. 2010

The Australian Journal of Rehabilitation Counselling

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“…We have previously reported on the diversity of USN symptoms, wherein we focused on a sound lateralization ability using auditory tasks [6], as well as on a visual search ability and horizontal neck rotation angle during visual search tasks in a large space [7]. In our previous study, we divided subjects into two groups, one with USN and one without USN, based on the score of Behavioural Inattention Test Conventional Subtest (BITC).…”

Section: Introductionmentioning

confidence: 99%

Head Position of Patients with Right Hemisphere Damage during a Visual Search Task in a Large Field

Nakatani¹,

Takahashi²,

Kimura³

et al. 2018

WJNS

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Spatial neglect syndrome with cerebral lesions is characterized by the inability to orient, report, or respond to relevant visual stimuli contralateral to the lesions. In this study, we investigated the pattern of horizontal visual search in a large space; this search was performed by patients with right hemisphere damage caused by cerebrovascular disease. The neck rotation angle and search time in each increment were continuously recorded during the task, and quantitative data of the measurements were collected. Head position during the visual search task in a large space (%) was then calculated. We set angular bands in increments of 5 degrees from the midline on the left and right sides, and calculated the total search time in each angular band. In patients with unilateral spatial neglect (USN), the search time in the angular band of 5-9 on the right side was significantly longer (with USN 16.7%, without USN 4.5%, t = 2.52, df = 16, p < 0.05). Furthermore, in patients with neglect in the leftmost end area in a large space, the search time was significantly shorter in the angular band of 1-4 degrees to the left (with neglect 13.1%, without neglect 23.7%, t = 2.13, df = 16, p < 0.05), and tended to be long in the angular band of 5-9 to the right. The neck rotation angle and pattern during the search task in a large field deviated slightly to the right, and the search time slightly to the left was short. We believe that these results support the rightward deviation of the search pattern and frame of USN patients.

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Relation between sound lateralization abilities and behavioural inattention test scores in unilateral spatial neglect patients

Cited by 2 publications

References 22 publications

Influence of Colour Lightness Differences in Patients With Left Unilateral Spatial Neglect

Influence of Colour Lightness Differences in Patients With Left Unilateral Spatial Neglect

Head Position of Patients with Right Hemisphere Damage during a Visual Search Task in a Large Field

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