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Camargo L, Pacheco-Barrios K, Gianlorenço AC, Menacho M, Choi H, Song JJ, Fregni F. Evidence of bottom-up homeostatic modulation induced taVNS during emotional and Go/No-Go tasks. Exp Brain Res 2024; 242:2069-2081. [PMID: 38963558 DOI: 10.1007/s00221-024-06876-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 06/17/2024] [Indexed: 07/05/2024]
Abstract
Bilateral transcutaneous auricular vagus nerve stimulation (taVNS) - a non-invasive neuromodulation technique - has been investigated as a safe and feasible technique to treat many neuropsychiatric conditions. such as epilepsy, depression, anxiety, and chronic pain. Our aim is to investigate the effect of taVNS on neurophysiological processes during emotional and Go/No-Go tasks, and changes in frontal alpha asymmetry. We performed a randomized, double-blind, sham-controlled trial with 44 healthy individuals who were allocated into two groups (the active taVNS group and the sham taVNS group). Subjects received one session of taVNS (active or sham) for 60 min. QEEG was recorded before and after the interventions, and the subjects were assessed while exposed to emotional conditions with sad and happy facial expressions, followed by a Go/No-Go trial. The results demonstrated a significant increase in N2 amplitude in the No-Go condition for the active taVNS post-intervention compared to the sham taVNS after adjusting by handedness, mood, and fatigue levels (p = 0.046), significantly reduced ERD during sad conditions after treatment (p = 0.037), and increased frontal alpha asymmetry towards the right frontal hemisphere during the emotional task condition (p = 0.046). Finally, we observed an interesting neural signature in this study that suggests a bottom-up modulation from brainstem/subcortical to cortical areas as characterized by improved lateralization of alpha oscillations towards the frontal right hemisphere, and changes in ERP during emotional and Go/No-Go tasks that suggests a better subcortical response to the tasks. Such bottom-up effects may mediate some of the clinical effects of taVNS.
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Affiliation(s)
- Lucas Camargo
- Spaulding Neuromodulation Center, Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Harvard Medical School, 1575 Cambridge Street, Boston, MA, United States of America
| | - Kevin Pacheco-Barrios
- Spaulding Neuromodulation Center, Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Harvard Medical School, 1575 Cambridge Street, Boston, MA, United States of America
- Vicerrectorado de Investigación, Unidad de Investigación para la Generación y Síntesis de Evidencias en Salud, Universidad San Ignacio de Loyola, Lima, Peru
| | - Anna Carolyna Gianlorenço
- Spaulding Neuromodulation Center, Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Harvard Medical School, 1575 Cambridge Street, Boston, MA, United States of America
- Neurosciences Laboratory, Physical Therapy Department, Federal University of Sao Carlos, Sao Carlos, SP, Brazil
| | - Maryela Menacho
- Spaulding Neuromodulation Center, Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Harvard Medical School, 1575 Cambridge Street, Boston, MA, United States of America
- Neurosciences Laboratory, Physical Therapy Department, Federal University of Sao Carlos, Sao Carlos, SP, Brazil
| | - Hyuk Choi
- Department of Medical Sciences, Graduate School of Medicine, Korea University, Seoul, Republic of Korea
- Neurive Co., Ltd, Gimhae, Republic of Korea
| | - Jae-Jun Song
- Neurive Co., Ltd, Gimhae, Republic of Korea
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Medical Center, Seoul, Republic of Korea
| | - Felipe Fregni
- Spaulding Neuromodulation Center, Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Harvard Medical School, 1575 Cambridge Street, Boston, MA, United States of America.
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Medical Center, Seoul, Republic of Korea.
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de Jongh Curry AL, Hunt ME, Pasquina PF, Waters RS, Tsao JW. Non-surgical Management of Phantom Limb Pain: Current and Emerging Clinical Approaches. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2023. [DOI: 10.1007/s40141-023-00377-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Pimenta DC, Lima D, Slawka E, Pacheco-Barrios K, Fregni F. Editorial: Bench to Bedside - the translation of intracortical inhibition marker to clinical practice. PRINCIPLES AND PRACTICE OF CLINICAL RESEARCH (2015) 2022; 8:92-97. [PMID: 37449292 PMCID: PMC10343941 DOI: 10.21801/ppcrj.2022.83.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Affiliation(s)
- Danielle Carolina Pimenta
- Neuromodulation Center and Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Daniel Lima
- Neuromodulation Center and Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Eric Slawka
- Neuromodulation Center and Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Kevin Pacheco-Barrios
- Neuromodulation Center and Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Felipe Fregni
- Neuromodulation Center and Center for Clinical Research Learning, Spaulding Rehabilitation Hospital, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
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Damercheli S, Ramne M, Ortiz-Catalan M. transcranial Direct Current Stimulation (tDCS) for the treatment and investigation of Phantom Limb Pain (PLP). PSYCHORADIOLOGY 2022; 2:23-31. [PMID: 38665143 PMCID: PMC10917199 DOI: 10.1093/psyrad/kkac004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 04/28/2024]
Abstract
Phantom limb pain (PLP) is a complex medical condition that is often difficult to treat, and thus can become detrimental to patients' quality of life. No standardized clinical treatments exist and there is no conclusive understanding of the underlying mechanisms causing it. Noninvasive brain stimulation (NIBS) has been used to find correlations between changes in brain activity and various brain conditions, including neurological disease, mental illnesses, and brain disorders. Studies have also shown that NIBS can be effective in alleviating pain. Here, we examined the literature on a particular type of NIBS, known as transcranial direct current stimulation (tDCS), and its application to the treatment of PLP. We first discuss the current hypotheses on the working mechanism of tDCS and then we examine published evidence of its efficacy to treat PLP. We conclude this article by discussing how tDCS alone, and in combination with brain imaging techniques such as electroencephalography (EEG) and magnetic resonance imagining, could be applied to further investigate the mechanisms underlying PLP.
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Affiliation(s)
- Shahrzad Damercheli
- Center for Bionics and Pain Research, Mölndal 43130, Sweden
- Department of Electrical Engineering, Chalmers University of Technology, Gothenburg 41296, Sweden
| | - Malin Ramne
- Center for Bionics and Pain Research, Mölndal 43130, Sweden
- Department of Electrical Engineering, Chalmers University of Technology, Gothenburg 41296, Sweden
| | - Max Ortiz-Catalan
- Center for Bionics and Pain Research, Mölndal 43130, Sweden
- Department of Electrical Engineering, Chalmers University of Technology, Gothenburg 41296, Sweden
- Operational Area 3, Sahlgrenska University Hospital, Mölndal 43180, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg 41345, Sweden
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