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Nakatani-Enomoto S, Yamazaki M, Kamimura Y, Abe M, Asano K, Enomoto H, Wake K, Watanabe S, Ugawa Y. Frequency-dependent current perception threshold in healthy Japanese adults. Bioelectromagnetics 2019; 40:150-159. [PMID: 30920674 DOI: 10.1002/bem.22175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 02/10/2019] [Indexed: 01/31/2023]
Abstract
The purpose of the study involves measuring the threshold for electric currents (i.e., current perception threshold or CPT) under several stimulating current frequencies. Specifically, current perception threshold (CPT) was measured in 53 healthy volunteers between the ages of 21 and 67. The stimulation currents were applied on the right index finger with stimulus frequencies in the range of 50 Hz - 300 kHz. The method of limits and method of constant stimuli were combined to measure the CPT. In a manner consistent with the findings obtained by previous studies, the results indicated that CPT was higher in men than in women and in older individuals than in young subjects. Bioelectromagnetics. 9999:XX-XX, 2019. © 2019 Bioelectromagnetics Society.
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Affiliation(s)
- Setsu Nakatani-Enomoto
- Department of Neurology, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Madoka Yamazaki
- Department of Neurology, School of Medicine, Fukushima Medical University, Fukushima, Japan.,Department of Health Science, Daito Bunka University, Saitama, Japan
| | - Yoshitsugu Kamimura
- Department of Information Science, Graduate School of Engineering, Utsunomiya University, Tochigi, Japan
| | - Mitsunari Abe
- Department of Neurology, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Kohei Asano
- Department of Neurology, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Hiroyuki Enomoto
- Department of Neurology, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Kanako Wake
- Electromagnetic Compatibility Laboratory, Applied Electromagnetic Research Institute, National Institute of Information and Communications Technology, Tokyo, Japan
| | - Soichi Watanabe
- Electromagnetic Compatibility Laboratory, Applied Electromagnetic Research Institute, National Institute of Information and Communications Technology, Tokyo, Japan
| | - Yoshikazu Ugawa
- Department of Neurology, School of Medicine, Fukushima Medical University, Fukushima, Japan.,Fukushima Global Medical Science Center, Advanced Clinical Research Center, Fukushima Medical University, Fukushima, Japan
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