Volume 8, Issue 1 (Spring 2018 -- 2018)                   PTJ 2018, 8(1): 0-0 | Back to browse issues page

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Norouzi E, Vaezmousavi M. The Differences in Sensorimotor Rhythm Power During Performing In-Phase and Anti-Phase Patterns in Bimanual Coordination. PTJ. 2018; 8 (1)
URL: http://ptj.uswr.ac.ir/article-1-343-en.html
1- Department of Motor Behavior and Sport Management, Faculty of Sport Science, Urmia University, Urmia, Iran.
2- Department of Physical Education, Imam Hossein University, Tehran, Iran.
Abstract:   (51 Views)
Purpose: The sensorimotor cortex oscillations (of frequency ranging between 12 and 15 Hz), commonly known as Sensorimotor Rhythm (SMR) has previously displayed a promising link between the performance of the visuomotor related to skill execution and part of psychology that is adaptive ( e.g. the process linked attention which is automatic). This study examined the extent of SMR power in the execution of both in- and anti-phase patterns in bimanual coordination tasks at different speeds.
Methods: The present study used a quasi-experimental method. Study participants (n=40, aged: 19-24 years) were selected using convenience sampling method. Study participants were subjected to the 2 bimanual movements with the wrists speed levels ranging from slow to fast; while taking simultaneous records of the EEG. The neurofeedback consisted of SMR frequency of 12-15 Hz at C3 and C4. Data analysis consisted of descriptive statistics and two-way repeated measures Analysis of Variance (ANOVA) using SPSS. Examination of post-hoc results of importance was conducted using Bonferroni correction paired comparisons.[A1]  α=0.05 was set as the significance level.
Results: The results suggested that SMR power was higher in anti-phase compared to the in-phase model. Also, the manipulation of bimanual speed affected the SMR power by increasing it in the anti-phase when the speed was increased. However, the SMR power was not raised when the in-phase pattern was conducted.
Conclusion: It can be deduced that further attention is needed in the anti-phase model as it requires greater SMR power wave. Also, with the increasing speed, the amount of SMR power can perform a better bimanual linear task.

 [A1]This is ambiguous!
     
Type of Study: Research | Subject: General
Received: 2018/04/5 | Accepted: 2018/11/11

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