نوع مقاله : مطالعه پژوهشی اصیل

نویسندگان

1 دانشجوی دکتری دانشگاه فردوسی

2 استاد گروه رفتار حرکتی دانشکده علوم ورزشی دانشگاه فردوسی مشهد

3 دانشیار گروه رفتار حرکتی دانشکده علوم ورزشی دانشگاه فردوسی مشهد

4 استادیار گروه مهندسی پزشکی. دانشکده فنی مهندسی دانشگاه آزاد واحد مشهد

چکیده

پژوهش حاضر با هدف مقایسه تأثیر دو‌ نوع پروتکل نوروفیدبک بر یادگیری مهارت حرکتی‌تعقیبی انجام شد. بدین‌منظور 42 نفر در قالب سه گروه "کاهش‌آلفا"، "افزایش‌تتا" و کنترل قرار گرفتند. در گروه " کاهش‌آلفا"، هدف کاهش دامنة آلفا در منطقه قشر حرکتی قبل از شروع تمرین مهارت و در گروه " افزایش‌تتا" هدف افزایش دامنة تتا در منطقه آهیانه‌ای بلافاصله بعد از اتمام تمرین مهارت بود. سپس افراد در آزمون‌های یادداری با وقفه‌های 90 دقیقه، 24 ساعت و یک هفته بعد شرکت نمودند. نتایج نشان داد در آزمون یادداری اول گروه "کاهش‌آلفا" عملکرد بهتری نسبت به گروه کنترل داشت. هرچند این برتری در آزمون‌های یادداری دوم و سوم معنادار نبود. یافته‌های حاضر نشان می‌دهند با بازداری آلفا و متعاقب آن افزایش تحریک پذیری در منطقه قشر حرکتی می‌توان آثار مفیدی در یادگیری یک مهارت حرکتی ایجاد نمود هر چند پایداری این اثر در طول زمان نیاز به مطالعات بیشتری دارد.

کلیدواژه‌ها

عنوان مقاله [English]

The comparison of effects of Alpha suppression and Theta enhancement neurofeedback protocols on learning a pursuit tracking task

نویسندگان [English]

  • Mohammadreza Ghasemian moghadam 1
  • hamidreza Taheri 2
  • Alireza Saberi Kakhki 3
  • majid Ghoshuni 4

چکیده [English]

This study aimed to compare the effect of two neurofeedback protocols on learning a pursuit tracking task. Forty-two volunteers placed in three groups of alpha-suppression, theta-enhancement and control. In the alpha-suppression group, alpha amplitude suppressed at C4 before the training, while the participants in the theta-enhancement intended to increase theta amplitude at Pz and immediately after training. After training session, the subjects participated in retention tests within 90 minutes, 24 hours, and one week intervals. The results showed that the alpha-suppression group performed better than control group in the first retention test. Nevertheless, this superiority was not significant in subsequent retention tests, where no difference was observed between the groups. These findings revealed that the inhibition of alpha range in the motor cortex and subsequent higher excitability can likely leave beneficial effects on learning a motor skill, even though the sustainability of this effect over time needs to more studies.

کلیدواژه‌ها [English]

  • Neurofeedback
  • Motor Learning
  • Memory Consolidation

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