Is Human Brain Activity During Driving Operations Modulated by the Viscoelastic Characteristics of a Steering Wheel?: An fMRI Study

被引：4

作者：

Okamoto, Yoshihisa ^{[1
,2
]}

Sasaoka, Takafumi ^{[3
]}

Sadato, Norihiro ^{[4
]}

Fukunaga, Masaki ^{[4
]}

Yamamoto, Tetsuya ^{[4
]}

Soh, Zu ^{[2
]}

Nouzawa, Takahide ^{[5
]}

Yamawaki, Shigeto ^{[3
]}

Tsuji, Toshio ^{[2
]}

机构：

[1] Mazda Motor Corp, Hiroshima 7308670, Japan

[2] Hiroshima Univ, Grad Sch Engn, Dept Syst Cybernet, Hiroshima 7398527, Japan

[3] Hiroshima Univ, Ctr Brain Mind & KANSEI Sci Res, Hiroshima 7348553, Japan

[4] Natl Inst Physiol Sci, Dept Syst Neurosci, Okazaki, Aichi 4448585, Japan

[5] Hiroshima Univ, Off Acad Res & Ind Acad Govt & Community Collabor, Hiroshima 7398527, Japan

来源：

IEEE ACCESS | 2020年 / 8卷

基金：

日本科学技术振兴机构;

关键词：

Force; Viscosity; Wheels; Brain; Roads; Functional magnetic resonance imaging; Vehicles; Brain activity; functional magnetic resonance imaging; steering reaction force; viscoelastic characteristics; proximal muscle; distal muscle; ARM;

D O I：

10.1109/ACCESS.2020.3040231

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

To date, a neuroscientific investigation of drivers' steering behavior has never been performed because the reaction forces generated by the mechanical characteristics of a steering wheel have been difficult to assess in a magnetic resonance imaging (MRI) environment. In this study, using our previously developed MRI-compatible unit for steering reaction force generation, we investigated changes in human brain activity induced by varying the viscoelastic characteristics associated with manipulating a car steering wheel. Participants performed a simulated driving task with three levels of stiffness and viscosity. An amplitude effect of reaction forces on the measured brain activity due to varying stiffness was found in the primary motor cortex (M1) associated with hand representation. Conversely, the changes in the brain activity induced by varying viscosity were found more dorsally in the premotor cortex and the M1 than in regions associated with hand representation. These results are the first to demonstrate that various viscoelastic characteristics activate different motor regions; more specifically, stiffness and viscosity of the steering wheel mainly affected the motor control of the distal and proximal muscles, respectively.

引用

页码：215073 / 215090

页数：18

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