Healthy Clinical Trial
— NEUROMODOfficial title:
Neuromodulation by Non-invasive Brain Stimulation (NEUROMOD)
The main objective of this study is to estimate the effect of the neuromodulation on the
behavioral performances during the access in semantics according to the age of the
individuals.
Neuromodulation by non-invasive stimulation allows to explore the functioning of the brain by
exciting or by inhibiting localized cortical zones. The modulation of the performances in
cognitive tasks, further to the neuromodulation of these zones, allows to deduce on their
functional roles.
Status | Recruiting |
Enrollment | 120 |
Est. completion date | June 2020 |
Est. primary completion date | June 2020 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 85 Years |
Eligibility |
Inclusion Criteria: - Major healthy Subject ( 18 - 85 years) - Right-hander - Signed Informed consent - A medical examination must be made before the participation for the research - Membership in or beneficiary of a national insurance scheme Non inclusion Criteria: - Subject under age 18 and of more than 85 years. - Contraindications in the practice of MRI, TMS and tES - Existence of a severe affection on the general plan: cardiac, respiratory, hematological, renal, hepatic, cancerous - Regular taking of anxiolytic, sedative, antidepressant, neuroleptic - Characterized psychiatric pathology - Ingestion of alcohol before the examination - Pregnancy, parturiency or breast-feeding - Private person of freedom by court or administrative order, nobody being the object of a legal protective measure (under guardianship or guardianship) - Participation to other protocols of current search with period of exclusion or in the previous week - Subject which would perceive more than 4500 euros of compensation because of its participation in other searches involving the human person in 12 months preceding this study. |
Country | Name | City | State |
---|---|---|---|
France | CHU | Grenoble |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Grenoble |
France,
Holland R, Leff AP, Josephs O, Galea JM, Desikan M, Price CJ, Rothwell JC, Crinion J. Speech facilitation by left inferior frontal cortex stimulation. Curr Biol. 2011 Aug 23;21(16):1403-7. doi: 10.1016/j.cub.2011.07.021. Epub 2011 Aug 4. — View Citation
Liuzzi G, Freundlieb N, Ridder V, Hoppe J, Heise K, Zimerman M, Dobel C, Enriquez-Geppert S, Gerloff C, Zwitserlood P, Hummel FC. The involvement of the left motor cortex in learning of a novel action word lexicon. Curr Biol. 2010 Oct 12;20(19):1745-51. doi: 10.1016/j.cub.2010.08.034. Epub 2010 Sep 30. — View Citation
Monti A, Ferrucci R, Fumagalli M, Mameli F, Cogiamanian F, Ardolino G, Priori A. Transcranial direct current stimulation (tDCS) and language. J Neurol Neurosurg Psychiatry. 2013 Aug;84(8):832-42. doi: 10.1136/jnnp-2012-302825. Epub 2012 Nov 8. Review. — View Citation
Rossi S, Hallett M, Rossini PM, Pascual-Leone A; Safety of TMS Consensus Group. Safety, ethical considerations, and application guidelines for the use of transcranial magnetic stimulation in clinical practice and research. Clin Neurophysiol. 2009 Dec;120(12):2008-2039. doi: 10.1016/j.clinph.2009.08.016. Epub 2009 Oct 14. Review. — View Citation
Zimerman M, Hummel FC. Non-invasive brain stimulation: enhancing motor and cognitive functions in healthy old subjects. Front Aging Neurosci. 2010 Dec 1;2:149. doi: 10.3389/fnagi.2010.00149. eCollection 2010. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Effect of the neuromodulation on the behavioral performances during the access in semantics | Evaluation of the changes of the behavioral performances before and after the neuromodulation by non-invasive cortical stimulation according to the age. More exactly, the investigators shall compare response times before and after neuromodulation between both age groups (18-49 years and 50-85 years), by testing the interaction between the effect of the neuromodulation and the age. | 3 hours | |
Secondary | Estimate the effect of the neuromodulation on the behavioral performances | Compare the percentages of correct answers before and after neuromodulation by non-invasive cortical electric stimulation, according to the age (18-49 years vs 50-85 years). | 3 hours | |
Secondary | Estimate the effect of transcranial Electrical Stimulation (tES) on the cognitive performances by neuropsychological scores, according to the age. | Comparison of the neuropsychological scores before and after tES, according to the age (18-49 years vs 50-85 years). | 3 hours | |
Secondary | Estimate the effect of tES on the cerebral functional activity, by comparing blood-oxygen-level dependent (BOLD ) signal or functional MRI before and after tES according to the age (18-49 years vs 50-85 years). | The investigators extract estimates parameters (Estimated Beta weight Values) corresponding to each tES stimulation. Each session is be designed by using general linear model (Friston, 1998, statistical parametrical mapping in fMRI) defined as Ybefore tES = R1Beta1+R2Beta2 +R0Beta0 + e and Yafter tES = R1Beta1 +R2Beta2 +R0Beta0 + e, with Y = acquired BOLD signal, e = error, R1Beta1 corresponding to the task (meaning interest activation) regressor and R2Beta2 corresponding to the control (meaning no interest activation) regressor respectively convolved with the canonical hemodynamic response function (cHRf) and R0B0 corresponding to the constant regressor. Parameter estimates are calculated by extracting Beta1 and Beta2 values for each session respectively in order to compute statistical comparison (measure by subject) on the outcome measure (Beta1 before tES - Beta1 after tES). | 3 hours | |
Secondary | Estimate the effect of the Transcranial Magnetic Stimulation (TMS) on the cognitive performances by neuropsychological scores, according to the age. | Comparison of the neuropsychological scores before and after Transcranial Magnetic Stimulation (TMS), according to the age (18-49 years vs 50-85 years). | 3 hours | |
Secondary | Estimate the effect of the TMS on the intellectual functional activity, according to the age. | Comparison of the cerebral functional activity (electric neuronal signal, EEG) before and after TMS, according to the age (18-49 years vs 50-85 years). | 3 hours |
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