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http://hdl.handle.net/10397/106263
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Rehabilitation Sciences | en_US |
dc.contributor | University Research Facility in Behavioral and Systems Neuroscience | en_US |
dc.creator | Chan, MMY | en_US |
dc.creator | Choi, CXT | en_US |
dc.creator | Tsoi, TCW | en_US |
dc.creator | Shea, CKS | en_US |
dc.creator | Yiu, KWK | en_US |
dc.creator | Han, YMY | en_US |
dc.date.accessioned | 2024-05-03T00:46:05Z | - |
dc.date.available | 2024-05-03T00:46:05Z | - |
dc.identifier.issn | 1935-861X | en_US |
dc.identifier.uri | http://hdl.handle.net/10397/106263 | - |
dc.language.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | © 2023 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). | en_US |
dc.rights | The following publication Chan, M. M. Y., Choi, C. X. T., Tsoi, T. C. W., Shea, C. K. S., Yiu, K. W. K., & Han, Y. M. Y. (2023). Effects of multisession cathodal transcranial direct current stimulation with cognitive training on sociocognitive functioning and brain dynamics in autism: A double-blind, sham-controlled, randomized EEG study. Brain Stimulation, 16(6), 1604-1616 is available at https://dx.doi.org/10.1016/j.brs.2023.10.012. | en_US |
dc.subject | Autism | en_US |
dc.subject | tDCS | en_US |
dc.subject | Cognition | en_US |
dc.subject | EEG | en_US |
dc.subject | Excitation/inhibition | en_US |
dc.subject | RCT | en_US |
dc.title | Effects of multisession cathodal transcranial direct current stimulation with cognitive training on sociocognitive functioning and brain dynamics in autism : a double-blind, sham-controlled, randomized EEG study | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 1604 | en_US |
dc.identifier.epage | 1616 | en_US |
dc.identifier.volume | 16 | en_US |
dc.identifier.issue | 6 | en_US |
dc.identifier.doi | 10.1016/j.brs.2023.10.012 | en_US |
dcterms.abstract | Background: Few treatment options are available for targeting core symptoms of autism spectrum disorder (ASD). The development of treatments that target common neural circuit dysfunctions caused by known genetic defects, namely, disruption of the excitation/inhibition (E/I) balance, is promising. Transcranial direct current stimu-lation (tDCS) is capable of modulating the E/I balance in healthy individuals, yet its clinical and neurobiological effects in ASD remain elusive. | en_US |
dcterms.abstract | Objective: This double-blind, randomized, sham-controlled trial investigated the effects of multisession cathodal prefrontal tDCS coupled with online cognitive remediation on social functioning, information processing efficiency and the E/I balance in ASD patients aged 14-21 years.Methods: Sixty individuals were randomly assigned to receive either active or sham tDCS (10 sessions in total, 20 min/session, stimulation intensity: 1.5 mA, cathode: F3, anode: Fp2, size of electrodes: 25 cm2) combined with 20 min of online cognitive remediation. Social functioning, information processing efficiency during cognitive tasks, and theta-and gamma-band E/I balance were measured one day before and after the treatment.Results: Compared to sham tDCS, active cathodal tDCS was effective in enhancing overall social functioning [F(1, 58) = 6.79, p = .012, eta p2 = 0.105, 90% CI: (0.013, 0.234)] and information processing efficiency during cognitive tasks [F(1, 58) = 10.07, p = .002, eta p2 = 0.148, 90% CI: (0.034, 0.284)] in these individuals. Electroencepha-lography data showed that this cathodal tDCS protocol was effective in reducing the theta-band E/I ratio of the cortical midline structures [F(1, 58) = 4.65, p = .035, eta p2 = 0.074, 90% CI: (0.010, 0.150)] and that this reduction significantly predicted information processing efficiency enhancement (b =-2.546, 95% BCa CI: [-4.979,-0.113], p = .041). Conclusion: Our results support the use of multisession cathodal tDCS over the left dorsolateral prefrontal cortex combined with online cognitive remediation for reducing the elevated theta-band E/I ratio in sociocognitive information processing circuits in ASD patients, resulting in more adaptive regulation of global brain dynamics that is associated with enhanced information processing efficiency after the intervention. | en_US |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Brain stimulation, Nov.-Dec. 2023, v. 16, no. 6, p. 1604-1616 | en_US |
dcterms.isPartOf | Brain stimulation | en_US |
dcterms.issued | 2023-11 | - |
dc.identifier.isi | WOS:001112793800001 | - |
dc.identifier.eissn | 1876-4754 | en_US |
dc.description.validate | 202405 bcrc | en_US |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_Scopus/WOS | - |
dc.description.fundingSource | RGC | en_US |
dc.description.pubStatus | Published | en_US |
dc.description.oaCategory | CC | en_US |
Appears in Collections: | Journal/Magazine Article |
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i203_1-s2.0-S1935861X23019411-main.pdf | 5.66 MB | Adobe PDF | View/Open |
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