TAILIEUCHUNG - báo cáo khoa học: " The design and testing of a novel mechanomyogram-driven switch controlled by small eyebrow movements"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: The design and testing of a novel mechanomyogram-driven switch controlled by small eyebrow movements | Alves and Chau Journal of NeuroEngineering and Rehabilitation 2010 7 22 http content 7 1 22 J NER JOURNAL OF NEUROENGINEERING AND REHABILITATION RESEARCH Open Access The design and testing of a novel mechanomyogram-driven switch controlled by small eyebrow movements Natasha Alves 1 2 and Tom Chau 1 2 Abstract Background Individuals with severe physical disabilities and minimal motor behaviour may be unable to use conventional mechanical switches for access. These persons may benefit from access technologies that harness the volitional activity of muscles. In this study we describe the design and demonstrate the performance of a binary switch controlled by mechanomyogram MMG signals recorded from the frontalis muscle during eyebrow movements. Methods Muscle contractions detected in real-time with a continuous wavelet transform algorithm were used to control a binary switch for computer access. The automatic selection of scale-specific thresholds reduced the effect of artefact such as eye blinks and head movement on the performance of the switch. Switch performance was estimated by cued response-tests performed by eleven participants one with severe physical disabilities . Results The average sensitivity and specificity of the switch was and respectively. The algorithm performance was robust against typical participant movement. Conclusions The results suggest that the frontalis muscle is a suitable site for controlling the MMG-driven switch. The high accuracies combined with the minimal requisite effort and training show that MMG is a promising binary control signal. Further investigation of the potential benefits of MMG-control for the target population is warranted. Background Individuals with severe physical disabilities often use access technologies as an alternative means of communication environmental control or computer access. By providing a switching interface that the user is capable of controlling access .

TÀI LIỆU LIÊN QUAN
TAILIEUCHUNG - Chia sẻ tài liệu không giới hạn
Địa chỉ : 444 Hoang Hoa Tham, Hanoi, Viet Nam
Website : tailieuchung.com
Email : tailieuchung20@gmail.com
Tailieuchung.com là thư viện tài liệu trực tuyến, nơi chia sẽ trao đổi hàng triệu tài liệu như luận văn đồ án, sách, giáo trình, đề thi.
Chúng tôi không chịu trách nhiệm liên quan đến các vấn đề bản quyền nội dung tài liệu được thành viên tự nguyện đăng tải lên, nếu phát hiện thấy tài liệu xấu hoặc tài liệu có bản quyền xin hãy email cho chúng tôi.
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.