Skin Research and Technology

2017

DOI: 10.1111/srt.12363

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Relationship between the changes in blood flow and volume in the finger during a Braille character discrimination task

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Abstract: These results suggested that SBF of fingers is modulated during concentrated finger perception, and that the variability of blood flow reflects the response in FV.

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Cited by 3 publications

References 18 publications

(27 reference statements)

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Designing an Interactive Device to Slow Progression of Alzheimer’s Disease

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2019

Augmented Cognition

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Designing an Interactive Device to Slow Progression of Alzheimer’s Disease

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2019

Augmented Cognition

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No abstract

Age-Related Changes in the Response of Finger Skin Blood Flow during a Braille Character Discrimination Task

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et al. 2021

Self Cite

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We hypothesized that age-related changes in sensory function might be reflected by a modulation of the blood flow response associated with tactile sensation. The aim of the present study was to clarify how the blood flow response of the fingers during concentrated finger perception is affected by aging. We measured the tactile-pressure threshold of the distal palmar pad of the index finger and skin blood flow in the finger (SBF) during Braille reading performed under blind conditions in young (n = 27) and older (n = 37) subjects. As a result, the tactile-pressure threshold was higher in older subjects (2.99 ± 0.37 log10 0.1 mg) than in young subjects (2.76 ± 0.24 log10 0.1 mg) (p < 0.01). On the other hand, the SBF response was markedly smaller in older subjects (−4.9 ± 7.0%) than in young subjects (−25.8 ± 15.4%) (p < 0.01). Moreover, the peak response arrival times to Braille reading in older and young subjects were 12.5 ± 3.1 s and 8.8 ± 3.6 s, respectively (p < 0.01). A decline in tactile sensitivity occurs with aging. Blood flow responses associated with tactile sensation are also affected by aging, as represented by a decrease in blood flow and a delay in the reaction time.

Influence of head and/or back of bed elevation to blood pressure fluctuation

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et al. 2019

Japanese Journal of Health Promotion and Physical Therapy

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