Non-invasive Brain Stimulation and Injury Risk Biomechanics
NCT ID: NCT06093295
Last Updated: 2025-01-09
Study Results
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Basic Information
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COMPLETED
NA
40 participants
INTERVENTIONAL
2023-11-03
2024-05-30
Brief Summary
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Participants will be asked to perform a jump landing before and after the experimental (left dorsolateral prefrontal cortex) and control (vertex) theta burst stimulation protocol. The researchers will compare individuals with and without a concussion history to see if the effects differ between groups.
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Detailed Description
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Participants will complete 2 testing sessions separated by a minimum of 7 days.
During the first testing session, participants will complete single-task serial subtraction, single- and dual-task jump landing, and a theta burst stimulation intervention. The jump landing will be completed before and after theta burst stimulation and under single- and dual-task (serial 7s) conditions. During the second testing session, participants will complete the jump landing before and after theta burst stimulation under single- and dual-task (serial 7s) conditions.
On both testing sessions, the symptom checklist and Tampa Scale of Kinesiophobia 11 (TSK-11) will be administered upon arrival to the lab (after informed consent on day 1), and immediately after repetitive transcranial magnetic stimulation. The Godin Leisure Activity Questionaire will be administered on both days before the jump landing. The NASA Task Load index will be administered on both days immediately after the completion of every cognitive and motor task.
At the end of the second day of testing, the participants will be asked which day the participants believed the participants received the experimental and control conditions of the theta burst stimulation intervention.
This is a single-blinded cross-over design study. The participants will be unaware of when the participants receive the true (experimental) and control (placebo) theta burst stimulation intervention. Experimental (left dorsolateral prefrontal cortex) and control (vertex) conditions will be counterbalanced for the concussion history group. The control group will be matched to their respective concussion history group counterpart's counterbalanced order.
Conditions
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Study Design
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NON_RANDOMIZED
CROSSOVER
PREVENTION
SINGLE
Study Groups
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Left Dorsolateral Prefrontal Cortex (experimental)
This is the experimental condition where participants will receive theta burst stimulation to the left dorsolateral prefrontal cortex.
Repetitive Transcranial Magnetic Stimulation (Theta Burst Stimulation)
The repetitive transcranial magnetic stimulation device will generate successive magnetic pulses to the left dorsolateral prefrontal cortex (experimental condition) and the vertex (control condition).
The theta burst stimulation protocol is as follows:
* Total stimulation time \~190 seconds
* Intensity: 80% of active motor threshold
* 2 seconds train, repeated every 10 seconds
* In every 2-second train, 3 pulses of stimulation are delivered at 50 Hz, repeated every 200 milliseconds (i.e., 5 Hz) for a total of 600 pulses
Vertex (control)
This is the control condition where participants will receive theta burst stimulation to the vertex.
Repetitive Transcranial Magnetic Stimulation (Theta Burst Stimulation)
The repetitive transcranial magnetic stimulation device will generate successive magnetic pulses to the left dorsolateral prefrontal cortex (experimental condition) and the vertex (control condition).
The theta burst stimulation protocol is as follows:
* Total stimulation time \~190 seconds
* Intensity: 80% of active motor threshold
* 2 seconds train, repeated every 10 seconds
* In every 2-second train, 3 pulses of stimulation are delivered at 50 Hz, repeated every 200 milliseconds (i.e., 5 Hz) for a total of 600 pulses
Interventions
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Repetitive Transcranial Magnetic Stimulation (Theta Burst Stimulation)
The repetitive transcranial magnetic stimulation device will generate successive magnetic pulses to the left dorsolateral prefrontal cortex (experimental condition) and the vertex (control condition).
The theta burst stimulation protocol is as follows:
* Total stimulation time \~190 seconds
* Intensity: 80% of active motor threshold
* 2 seconds train, repeated every 10 seconds
* In every 2-second train, 3 pulses of stimulation are delivered at 50 Hz, repeated every 200 milliseconds (i.e., 5 Hz) for a total of 600 pulses
Eligibility Criteria
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Inclusion Criteria
* self-report to be physically active at least 90 minutes per week
* aged 18-35 years old
* self-report cleared for sports and physical activity
Concussion history group
\- self-report experiencing a concussion with the National Institute of Health common data element form
No concussion history group - self-report not experiencing a concussion with the National Institute of Health common data element form
Exclusion Criteria
* self-report attention deficit disorder and/or attention deficit hyperactivity disorder
* self-report uncorrected vision problems (not included color blindness)
* self-reported history of neurological disease
* self-reported history of seizures/syncope or family history of epilepsy
* self-reported history of frequent severe headaches or migraine.
* self-reported history of respiratory or heart disease.
* self-reported structural brain lesions (e.g., stroke)
* self-reported increased intracranial pressure, such as after infarctions or trauma.
* self-reported currently using antidepressants, neuroleptic medication, medication that lowers seizure threshold, or any other medication that would interfere with testing.
* self-reported currently experiencing a high fever (day of testing; \>102.9 degrees)
* self-reported currently undergoing immunosuppressive therapy
* pregnancy
* metal anywhere in the head (except the mouth).
* any electronic implant, such as a cardiac pacemakers, cochlear implant, or deep brain stimulator.
* any implanted medication pump or intracardiac lines.
* self-report not being cleared for sport/physical activity by a medical practitioner (i.e., must be cleared by a medical practitioner to participate if the participant had previous traumatic musculoskeletal injury)
* students working directly in the PI's lab (concussion laboratory, biomechanics laboratory)
* NCAA athletes
Concussion history group
\- ≥13 symptom severity on the Sport Concussion Assessment Tool (22 total symptoms are graded on a scale of 0-6. Any symptom with a score \>0 \[1-6\], is summed to get symptom severity).
18 Years
35 Years
ALL
Yes
Sponsors
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University of Georgia
OTHER
Responsible Party
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Principal Investigators
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Robert C Lynall, Phd, ATC
Role: PRINCIPAL_INVESTIGATOR
University of Georgia
Locations
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University of Georgia
Athens, Georgia, United States
Countries
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References
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Huang YZ, Edwards MJ, Rounis E, Bhatia KP, Rothwell JC. Theta burst stimulation of the human motor cortex. Neuron. 2005 Jan 20;45(2):201-6. doi: 10.1016/j.neuron.2004.12.033.
Ngetich R, Jin D, Li W, Song B, Zhang J, Jin Z, Li L. Enhancing Visuospatial Working Memory Performance Using Intermittent Theta-Burst Stimulation Over the Right Dorsolateral Prefrontal Cortex. Front Hum Neurosci. 2022 Mar 17;16:752519. doi: 10.3389/fnhum.2022.752519. eCollection 2022.
Shumski EJ, Anderson MN, Oh J, Schmidt JD, Lynall RC. Computerized and functional reaction time in varsity-level female collegiate athletes with and without a concussion history. J Sci Med Sport. 2023 Mar;26(3):189-194. doi: 10.1016/j.jsams.2023.02.008. Epub 2023 Mar 3.
Lynall RC, Blackburn JT, Guskiewicz KM, Marshall SW, Plummer P, Mihalik JP. Reaction Time and Joint Kinematics During Functional Movement in Recently Concussed Individuals. Arch Phys Med Rehabil. 2018 May;99(5):880-886. doi: 10.1016/j.apmr.2017.12.011. Epub 2018 Jan 11.
Said S, Gozdzik M, Roche TR, Braun J, Rossler J, Kaserer A, Spahn DR, Nothiger CB, Tscholl DW. Validation of the Raw National Aeronautics and Space Administration Task Load Index (NASA-TLX) Questionnaire to Assess Perceived Workload in Patient Monitoring Tasks: Pooled Analysis Study Using Mixed Models. J Med Internet Res. 2020 Sep 7;22(9):e19472. doi: 10.2196/19472.
Chimenti RL, Post AA, Silbernagel KG, Hadlandsmyth K, Sluka KA, Moseley GL, Rio E. Kinesiophobia Severity Categories and Clinically Meaningful Symptom Change in Persons With Achilles Tendinopathy in a Cross-Sectional Study: Implications for Assessment and Willingness to Exercise. Front Pain Res (Lausanne). 2021 Sep 1;2:739051. doi: 10.3389/fpain.2021.739051. eCollection 2021.
Woby SR, Roach NK, Urmston M, Watson PJ. Psychometric properties of the TSK-11: a shortened version of the Tampa Scale for Kinesiophobia. Pain. 2005 Sep;117(1-2):137-44. doi: 10.1016/j.pain.2005.05.029.
Other Identifiers
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PROJECT00007759
Identifier Type: -
Identifier Source: org_study_id
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