The effects of transcranial electrical stimulation of the left dorsolateral prefrontal cortex on tactile spatial discrimination performance

被引：1
|
作者：
Saito, Kei [1 ,2 ,3 ]
Koike, Kotaro [1 ]
Takeuchi, Kota [1 ]
Otsuru, Naofumi [1 ,2 ]
Onishi, Hideaki [1 ,2 ]
机构：
[1] Niigata Univ Hlth & Welf, Dept Phys Therapy, Niigata, Japan
[2] Niigata Univ Hlth & Welf, Inst Human Movement & Med Sci, Niigata, Japan
[3] Niigata Univ Hlth & Welf, Dept Phys Therapy, 1398 Shimami Cho,Kita Ku, Niigata, Niigata 9503198, Japan
来源：
BEHAVIOURAL BRAIN RESEARCH | 2023年 / 452卷
基金：
日本学术振兴会;
关键词：
Transcranial random noise stimulation; Transcranial pulsed current stimulation; Tactile discrimination performance; Dorsolateral prefrontal cortex; PERCEPTUAL DECISION-MAKING; CORTICOSPINAL EXCITABILITY; MAGNETIC STIMULATION; MODULATION; INTENSITY; EFFICACY; HEALTHY;
D O I：
10.1016/j.bbr.2023.114600
中图分类号：
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号：
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要：
The dorsolateral prefrontal cortex (DLPFC) plays a key role in tactile perceptual discrimination performance. Both transcranial random noise stimulation (tRNS) and anodal transcranial pulsed current stimulation (tPCS) have been shown to modulate neural activity in cortical regions. In this study, we aimed to determine whether tRNS and anodal tPCS over the left DLPFC would improve tactile perceptual discrimination performance of the right index finger in healthy neurological individuals. Subjects underwent a grating orientation task before, immediately after, and 30 min after applying tRNS in Experiment 1 or anodal tPCS in Experiment 2. tRNS application on the left DLPFC tended to enhance tactile perceptual discrimination performance. In contrast, the application of anodal tPCS over the left DLPFC did not affect tactile perceptual discrimination performance. These findings indicate that transcranial electrical stimulation to the left DLPFC may improve tactile perceptual discrimination performance, with effects that depend on stimulus modality.
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页数：7
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