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The Impact of Transcranial Direct Current Stimulation (TDCS) and Phonological Awareness Training on the Auditory Function of Working Memory in Children with Dyslexia
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Leila Bayat Mokhtari *   1, Ali Reza Agha Yousefi1 , Hossein Zare1 , Vahid Nejati2 |
1- Payam Noor University
2- Beheshti University |
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Abstract: (4614 Views) |
Objective: This study aimed to examine the impact of transcranial direct current stimulation (TDSCS) in the dorsolateral prefrontal cortex (DLPFC) on auditory/verbal working memory. Method: This research was an experimental study with pretest-posttest design, placebo group, and random assignment. The sample comprised 20 eligible male students with dyslexia aging 8 to 10 years. Two types of simulation (anode and sham) with the current of 1.5 mA for 20 minutes were presented in addition to 15 minutes of phonological awareness training in 10 sessions. The participants were tested with n-back task before and after stimulation. Results: Analysis of covariance showed that anode stimulation significantly improved performance in the auditory/verbal dimension of the working memory compared to sham stimulation. Conclusion: This study showed that anode stimulation improves performance on tasks involving auditory working memory. |
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| Keywords: Transcranial direct current stimulation (TDCS), Dorsolateral prefrontal cortex (DLPFC), Working memory, N-back task |
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Full-Text [PDF 246 kb]
(3758 Downloads)
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Type of Study: Research |
Subject:
Special
Received: 2017/01/11 | Accepted: 2018/01/3 | Published: 2018/03/6
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