Nội dung được dịch bởi AI, chỉ mang tính chất tham khảo
Kích thích dòng điện trực tiếp xuyên sọ vùng vỏ não trán tăng cường sự chú ý đến các kích thích mục tiêu thị giác
Tóm tắt
Cả các nghiên cứu hình ảnh chức năng hoặc nghiên cứu EEG và các nghiên cứu bao gồm bệnh nhân thần kinh đều cho thấy vỏ não trán bên (dLPFC) là một khu vực quan trọng của não trong việc xử lý cảm xúc và sự chú ý. Mục tiêu của nghiên cứu hiện tại là điều tra xem cảm xúc và sự chú ý có thể được điều chỉnh thông qua kích thích dòng điện trực tiếp hai bên (tDCS) của dLPFC hay không. Do đó, chúng tôi đã đo điện não đồ ở vùng chẩm (điện tích tiêu cực phía sau sớm, EPN) và các tiềm năng phản ứng ở vỏ não đỉnh (tiềm năng dương muộn, LPP) trong một thí nghiệm xem hình ảnh cảm xúc với một chỉ dẫn chú ý bổ sung trong khi áp dụng kích thích tDCS anodal hai bên và cathodal tới dLPFC bên trái và bên phải. Ngoài các hiệu ứng cảm xúc và chú ý đã biết đối với cả EPN và LPP, chúng tôi phát hiện rằng tDCS cathodal bên trái/anodal bên phải dẫn đến tăng cường biên độ LPP đối với các kích thích mục tiêu. Ngược lại với giả thuyết của chúng tôi, tDCS hai bên trên dLPFC không ảnh hưởng đến quá trình xử lý cảm xúc.
Từ khóa
#dLPFC #kích thích dòng điện trực tiếp #cảm xúc #sự chú ý #điện não đồ #LPP #EPNTài liệu tham khảo
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