Bildiri Koleksiyonu | Biyomedikal Mühendisliği Bölümü
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Yayın Boundary element method for EEG single-dipole localization: a study in patients with OCD(Institute of Electrical and Electronics Engineers Inc., 2025-08-15) Abdullahi, Fatima I.; Demirer, Rüştü MuratThis study investigates EEG dipole localization in patients diagnosed with obsessive-compulsive disorder (OCD) using the Boundary Element Method (BEM) implemented via Brainstorm and OpenMEEG. EEG signals from 33 OCD patients were analyzed using a realistic, multi-layer head model consisting of scalp, skull, and brain tissues with respective conductivity values. Dipoles were accurately localized for each discrete time instant within the gamma frequency range (20-50 Hz) using a single dipole assumption per time point. EEG potentials measured from 19 standard electrodes were numerically computed by solving the forward EEG problem with the boundary element approach provided by OpenMEEG. Spectral clustering analysis identified distinct neural patterns corresponding to clinically recognized OCD subtypes, facilitating better diagnostic interpretations. Our results address previous methodological limitations by combining realistic head geometry modeling and precise temporal and spatial dipole estimation, offering promising directions for enhanced EEG-based diagnostic tools in psychiatry.Yayın Peer-mentoring among female biomedical engineering students can be extended to other engineering disciplines(2004-06) Demir, Sıddıka SemahatMentoring is significant personal and professional assistance given by a more experienced person to a less experienced person during a time of transition. Transitions from high school to university, from university to graduate school are difficult. Organizing and administering mentoring programs in schools or in professional societies provide good recruitment and retention of female students in engineering. Biomedical engineering (BME) is the engineering discipline that has the highest percentage of female degree recipients and tenure/tenure-track teaching faculty as seen presented in "ASEE Profiles of Engineering and Engineering Technology Colleges, 2001 Education. Engineering Education by the Numbers". Thus there is a great potential for female role models, mentors and mentees in BME. Recently, I have a developed a mentoring program for women at the Joint Graduate Biomedical Engineering Program of University of Memphis (UM) and University of Tennessee Health Science Center (UT). Currently our program focuses on peer-mentoring and community building. We follow the book "Giving Much/Gaining More: Mentoring for Success" by Dr. Wadsworth for our meetings and activities to provide a support and discussion group, and environment to women in their transition time of the BME graduate studies. Our future goal is to expand our mentoring program to female students in our engineering school since we believe that the women in BME are excellent role models, mentors and mentees to women in other engineering disciplines.
