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تأثیر تحریک الکتریکی فراجمجمه ای بر توجه انتخابی در شرایط تکلیف دوگانه | ||
| فصل‌نامه پژوهش‌های کاربردی روانشناختی | ||
| مقاله 1، دوره 8، شماره 3، آبان 1396، صفحه 1-14 اصل مقاله (559.24 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/japr.2017.65032 | ||
| نویسندگان | ||
| رسول عابدان زاده* 1؛ سعید آلبوغبیش2 | ||
| 1استادیار رفتار حرکتی دانشگاه شهید چمران اهواز | ||
| 2کارشناسی ارشد رفتار حرکتی، دانشگاه شهید چمران اهواز | ||
| چکیده | ||
| پژوهش حاضر با هدف بررسی اثر تحریک الکتریکی فراجمجمهای بر توجه انتخابی در شرایط تکلیف دوگانه انجام گرفت. این پژوهش از نوع نیمه تجربی بود. بدین منظور تعداد 28 نفر از دانشجویان دانشگاه شهید چمران اهواز با میانگین سنی 46/2±32/25 سال به صورت نمونهگیری در دسترس انتخاب، و سپس به طور تصادفی به دو گروه آزمایشی و شم تقسیم شدند. از تمامی شرکتکنندگان آزمون تکلیف دوگانه اثر استروپ قبل و بعد از تحریک الکتریکی فراجمجمهای به عمل آمد. این آزمون شامل چهار فاصله زمانی 50، 100، 300 و 900 هزارم ثانیه بین دو محرک در سه حالت اثر استروپ در شرایط تکلیف دوگانه بود. نتایج آزمون تحلیل واریانس مرکب نشان داد که میانگین زمان واکنش گروه آزمایشی به طور معناداری از گروه شم بهتر بود؛ در نتیجه تحریک الکتریکی قطعه پیشپیشانی قشر مغز باعث کاهش اثر دوره بیپاسخی روانشناختی میشود. پس تحریک الکتریکی، ظرفیت توجه یا سرعت پردازش اطلاعات را در انسان بهبود میدهد. | ||
| کلیدواژه‌ها | ||
| دوره بی پاسخی روانشناختی؛ اثر استروپ؛ قشر پیش پیشانی؛ پردازش اطلاعات؛ زمان واکنش | ||
| عنوان مقاله [English] | ||
| The Effect of Transcranial Direct Current Stimulus on Selective Attention in Dual Task Paradigm | ||
| نویسندگان [English] | ||
| Rasool Abedanzadeh1؛ Saeed Alboghobish2 | ||
| چکیده [English] | ||
| The current study aimed to investigate the effect of transcranial direct current stimulus on selective attention in dual task paradigm. By semi-experimental method 28 students of Shahid Chamran University of Ahvaz were recruited (mean age: 25.32±2.46) by at available sampling method and assigned into experimental and Sham equally groups. Participants were asked to perform dual task test of Stroop’s effect before and after transcranial stimulus. The test included four stimulus onset synchronized of 50, 100, 300 and 900 thousandth of a second between two stimuli in three Stroop’s effect conditions with dual task paradigm. The results of the mix analysis of variance revealed that the mean of reaction time in experimental group was better than the other one (p<0.05), therefore, it can result that the transcranial stimulus of prefrontal cortex method decreased the effect of psychological refractory period. Thus this method can improve the capacity of selective attention or information process in humankind | ||
| کلیدواژه‌ها [English] | ||
| Psychological refrectory period, Stroop’s effect, Prefrontal cortex, Information proccecing, Reaction Time | ||
| مراجع | ||
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