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Looking for an optimal pedal layout to improve the driving performance of patients with diabetic peripheral neuropathy
Ma, Shu1,2,3; Wu, Changxu4; Zhang, Jingyu1,2; Zeng, Xianzhong5; Zhao, Guozhen1,2; Sun, Xianghong1,2
First AuthorMa, Shu

Diabetes can undermine peoples ability to drive safely, but most previous studies have focused on its deterioration of the central nervous system. This study sought to investigate how diabetic peripheral neuropathy (DPN), a common complication of diabetes characterized by reduced sensitivity of the limbs, can influence people's braking behavior and other safety-related measures of driving. In addition, it also tested how such a deteriorating effect can be reduced by using certain pedal layout designs. In total, 29 healthy drivers and 31 drivers of type 2 diabetes matched in demographic variables were invited to participate in this study. The participants with type 2 diabetes (they are from here on out referred to as "patients")were then split into two subgroups based on the severity of DPN using the median of the Semmes-Weinstein monofilaments Examination (SWME) scores. All three groups of participants finished a series of vehicle-pedestrian conflict tasks in a driving simulator using nine different types of pedal layouts. These layouts varied in the lateral distance between the accelerator and the brake (45 nun, 60 mm, and 75 mm) and the width of brake pedals (50 nun, 70 mm, 90 mm). The results showed that patients with serious DPN had longer brake reaction times (BRT) and shorter minimum distance-to-collision (DTC) as compared to the other two groups. However, the effects of such a disadvantage varied across different pedal layouts. When the accelerator brake distance was 45 mm, patients with serious DPN showed no compromised driving performance as compared to other two groups. In conclusion, we found the DPN could undermine driving performance of participants with type 2 diabetes, and a closer accelerator-brake lateral distance (45 mm) may be an optimal choice for them to counteract such a negative influence.

KeywordDrivers with type 2 diabetes Braking behavior Diabetic peripheral neuropathy Pedal layout design
Indexed BySCI
Funding OrganizationNational Key Research and Development Plan ; Natural Scientific Foundation of China
Funding ProjectNational Key Research and Development Plan[2016YFB1001203] ; Natural Scientific Foundation of China[31300875] ; Natural Scientific Foundation of China[31671148]
WOS Research AreaEngineering ; Psychology
WOS SubjectEngineering, Industrial ; Ergonomics ; Psychology, Applied
WOS IDWOS:000477687200006
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Document Type期刊论文
Corresponding AuthorZhang, Jingyu
Affiliation1.Inst Psychol, CAS Key Lab Behav Sci, 16 Lincui Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Dept Psychol, 19 Yuquan Rd, Beijing 100049, Peoples R China
3.Zhejiang Sci Tech Univ, Dept Psychol, 928 2nd St,Xiasha Higher Educ Pk, Hangzhou 310016, Zhejiang, Peoples R China
4.Univ Arizona, Dept Syst & Ind Engn, Tucson, AZ 85721 USA
5.Ganzhou Peoples Hosp, Dept Endocrinol, Ganzhou, Peoples R China
Recommended Citation
GB/T 7714
Ma, Shu,Wu, Changxu,Zhang, Jingyu,et al. Looking for an optimal pedal layout to improve the driving performance of patients with diabetic peripheral neuropathy[J]. APPLIED ERGONOMICS,2019,80:43-49.
APA Ma, Shu,Wu, Changxu,Zhang, Jingyu,Zeng, Xianzhong,Zhao, Guozhen,&Sun, Xianghong.(2019).Looking for an optimal pedal layout to improve the driving performance of patients with diabetic peripheral neuropathy.APPLIED ERGONOMICS,80,43-49.
MLA Ma, Shu,et al."Looking for an optimal pedal layout to improve the driving performance of patients with diabetic peripheral neuropathy".APPLIED ERGONOMICS 80(2019):43-49.
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