Effect of Dorsolateral Prefrontal Cortex (DLPFC) Transcranial Direct Current Stimulation (tDCS) on Visual Search and Attention Functions of Aeronaut

Document Type : Original Research

Authors

1 Instructor of Sports Science, Faculty of Jihadi Training, Imam Hossein University, Teheran, Iran

2 Medicine, Quran and Hadith Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran

3 Faculty of Artificial Intelligence and Cognitive Sciences, Imam Hossein University, Teheran, Iran

4 Faculty of Physical Education and Sport Sciences, Imam Hossein University, Tehran, Iran

5 Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran

Abstract

Background and Aim: This study aimed to investigate the performance of visual search and attention functions of aeronauts based on transcranial direct current stimulation (tDCS).
Methods: This study was a non-randomized, semi-experimental, with a single-blind crossover design. The statistical population of the study was military aviators of a training center in Tehran in 2022. Twelve aeronauts (mean age 37.53±4.82) were selected by purposive sampling method and were examined in three rounds under extracranial electrical stimulation with an interval of two days for each stimulation. measurement tools included continuous performance tests and Concentration Attention Test.
Results: The results of testing the hypotheses using analysis of covariance showed that direct electrical stimulation of the brain has a significant effect on reducing the visual search response time and increasing the correct visual search response (P≤0.5). Also, direct electrical stimulation of the brain had a significant effect on reducing the response time of tinnitus and the correct response of tinnitus by aerobic trainers. Also, the study of the difference in stimulation position showed that Anodal stimulation is more effective than other stimulation positions (P≤0.05).
Conclusion: It seems that transcranial electrical stimulation of the brain can be used to maintain concentration and manage the attention of the aeronaut (that is, they have awareness and control at any moment and their attention is best directed to the signals related to the goal).

Keywords

Journal of Military Medicine
Volume 25, Issue 2 - Serial Number 120
May and June 2023
Pages 1774-1786

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