Background: Traditional transcranial magnetic stimulation mapping involves systematically delivering stimuli over a predefined grid. The pseudorandom walk method seeks to improve map acquisition times by abandoning the grid in favour of delivering stimuli randomly over a given area.
Objectives: To i) determine the minimum interstimulus interval (ISI) required for reliable mapping outcomes within and between sessions using the pseudorandom walk method and ii) assess the validity of the pseudorandom walk method by testing its equivalence with traditional mapping.
Methods: Maps collected using the pseudorandom walk method at four ISIs (4, 3, 2, and 1s) were compared to maps collected using traditional mapping in twenty healthy individuals. Outcomes included map area, volume, centre of gravity, mean MEP amplitude, and number of discrete peaks.
Results And Conclusions: The pseudorandom walk method was valid and reliable with a 2-second ISI for all outcomes except number of discrete peaks, which was less reliable than other measures.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.brs.2018.07.043 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Immediate effect of alone and combined virtual reality, gait-like muscle vibration and transcranial direct current stimulation on neuropathic pain after spinal cord injury: a pilot study.
Spinal Cord Ser Cases
December 2024
Institut Universitaire sur la Réadaptation en Déficience Physique de Montréal - Centre for Interdisciplinary Research in Rehabilitation, Montréal, QC, Canada.
Study Design: Quasi-experimental pilot study.
Objectives: Evaluate the immediate effect of virtual reality (VR), gait-like muscle vibration (MV) and transcranial direct current stimulation (tDCS) combined or alone on neuropathic pain in individuals with spinal cord injury (SCI).
Setting: Inpatient rehabilitation centre.
Probability of lateral instability while walking on winding paths.
J Biomech
November 2024
Department of Kinesiology, The Pennsylvania State University, University Park, PA 16802 USA. Electronic address:
People with balance impairments often struggle performing turns or lateral maneuvers, which can increase risk of falls and injuries. Here we asked how people's mediolateral balance is impacted when walking on non-straight winding paths. Twenty-four healthy adults (12F / 12M; 25.
View Article and Find Full Text PDFKinematic and neuromuscular characterization of cognitive involvement in gait control in healthy young adults.
J Neurophysiol
November 2024
Normandie Université, UNICAEN, INSERM, COMETE, GIP Cyceron, Caen, France.
The signature of cognitive involvement in gait control has rarely been studied using both kinematic and neuromuscular features. The present study aimed to address this gap. Twenty-four healthy young adults walked on an instrumented treadmill in a virtual environment under two optic flow conditions: normal (NOF) and perturbed (POF, continuous mediolateral pseudorandom oscillations).
View Article and Find Full Text PDFPerturbation walking effects on prefrontal cortical activation and walking performance in older women with and without osteoarthritis: a FNIRS study.
Front Aging Neurosci
August 2024
Department of Biomedical and Translational Sciences, Carle Illinois College of Medicine, University of Illinois Urbana-Champaign, Urbana, IL, United States.
Introduction: Perturbation walking (PW) has been shown to improve gait, however its effect on the cortical control of gait might provide insights on neural mechanisms underlying falls in adults with osteoarthritis. The objective of this study is to investigate the effect of PW on prefrontal cortical (PFC) activation in older women with (OA) and without osteoarthritis (HOA). We hypothesized that there would be an increase in PFC activation during PW relative to comfortable walking (CW) and higher increase in PFC activation during PW in HOA compared to OA.
View Article and Find Full Text PDFSingle-Task and Dual-Task Gait Performance After Sport-Related Concussion: A Machine Learning Statistical Approach.
Sports Health
August 2024
College of Education, Department of Kinesiology and Rehabilitation Science, University of Hawaii, Manoa, Honolulu Hawaii.
Background: This study evaluated 2 different dual-task (DT) conditions during tandem gait (TG) to predict sport-related concussion (SRC) diagnosis.
Hypothesis: The best (fastest) single-task (ST) gait will differ between groups (controls vs SRC; baseline vs SRC), with auditory pure switching task (APST) response rate being the most important behavioral variable to aid prediction of SRC.
Study Design: Cohort design.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!