Sự thay đổi cảm nhận nội thể ở bệnh nhân rối loạn nhân cách biên giới: một nghiên cứu sử dụng tiềm năng đến từ nhịp tim

Vera Flasbeck1, Stoyan Popkirov2, Andreas Ebert1, Martin Brüne1
1LWL University Hospital, Department of Psychiatry, Psychotherapy and Preventive Medicine, Division of Social Neuropsychiatry and Evolutionary Medicine, Ruhr University Bochum, Bochum, Germany
2University Hospital Knappschaftskrankenhaus Bochum, Department of Neurology, Ruhr University Bochum, Bochum, Germany

Tóm tắt

Bệnh nhân mắc rối loạn nhân cách biên giới (BPD) gặp khó khăn trong việc nhận biết cảm xúc (alexithymia) và thường phát triển các triệu chứng phân ly, điều này có thể phản ánh những thiếu sót rộng hơn trong nhận thức nội tại. Hiện tại, chưa rõ liệu sự thay đổi này có liên quan đến sự thay đổi trong xử lý vỏ não đối với cảm nhận nội tại hay không. Chúng tôi đã sử dụng một dấu hiệu điện sinh lý của cảm nhận nội tại, cụ thể là tiềm năng đến từ nhịp tim (HEP), và kiểm tra mối quan hệ của nó với các chỉ số điện tâm đồ liên quan đến chức năng của hệ thần kinh tự chủ (ANS) (biến thiên nhịp tim), cũng như với các thang đo tự báo về alexithymia, phân ly và mức độ nghiêm trọng của triệu chứng rối loạn nhân cách biên giới ở bệnh nhân BPD. Các cá nhân mắc BPD có biên độ HEP cao hơn ở các điện cực trán so với nhóm đối chứng là khỏe mạnh. Hoạt động ANS giao cảm cao hơn ở bệnh nhân BPD so với nhóm đối chứng. Qua các nhóm, biên độ HEP có mối liên hệ với hoạt động phó giao cảm ở các điện cực trung tâm và tương quan với alexithymia ở các điện cực trán. Những phát hiện này hỗ trợ ý tưởng rằng những khó khăn trong việc nhận biết cảm xúc ở BPD được phản ánh qua các dấu hiệu điện sinh lý thay đổi ở vùng trán của cảm nhận nội tại. Do đó, việc nhận biết cảm xúc có thể được hiểu như là sự thất bại trong điều chỉnh giữa sự chú ý nội tại và sự chú ý ngoại tại. Các nghiên cứu trong tương lai có thể nhằm mục đích điều tra liệu cảm nhận nội tại thay đổi và các liên hệ điện sinh lý của nó có thể thay đổi thông qua can thiệp trị liệu hay không.

Từ khóa

#rối loạn nhân cách biên giới #cảm nhận nội tại #điện sinh lý #tiềm năng đến từ nhịp tim #alexithymia

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