Physical Medicine Rehabilitation

Human-computer interface technologies for the motor impaired by Dinesh K. Kumar, Sridhar Poosapadi Arjunan

By Dinesh K. Kumar, Sridhar Poosapadi Arjunan

Human machine Interface applied sciences for the Motor Impaired examines either the technical and social elements of human machine interface (HCI). Written by way of world-class educational specialists devoted to enhancing HCI applied sciences for individuals with disabilities, this all-inclusive e-book explores the newest study, and provides perception into the present obstacles of this box. It introduces the concept that of HCI, identifies and describes the basics linked to a particular expertise of HCI, and offers examples for every. It additionally lists and highlights different modalities (video, speech, mechanical, myoelectric, electro-oculogram, and brain-waves) which are on hand, and discusses their proper purposes.

Easily and effortlessly understood by means of researchers, engineers, clinicians, and the typical layperson, the booklet describes a few HCI applied sciences starting from easy amendment of the pc mouse and joystick to a brain–computer interface (BCI) that makes use of recording of the mind job of the person. The textual content comprises images or illustrations for every machine, in addition to references on the finish of every bankruptcy for extra study.

In addition, this book:

  • Describes the mechanical sensors which are used as an interface to manage a working laptop or computer or monitor for the elderly and disabled
  • Discusses the BCI utilizing mind waves recorded by way of noninvasive electrodes to acknowledge the command from the user
  • Presents the myoelectric interface for controlling units reminiscent of the prosthetic/robotic hand
  • Explains the know-how of monitoring the attention gaze utilizing video
  • Provides the basics of voice popularity applied sciences for laptop and laptop regulate applications
  • Examines a safe and unvoiced technique for the popularity of speech-based instructions utilizing video of lip movement

Human computing device Interface applied sciences for the Motor Impaired

considers attainable purposes, discusses boundaries, and offers the present learn occurring within the box of HCI. devoted to improving the lives of individuals residing with disabilities, this ebook aids pros in biomedical, electronics, and machine engineering, and serves as a source for an individual drawn to the constructing purposes of HCI.

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Sample text

Over the years, numerous different modalities have been developed to address these needs. This chapter describes some of these options. A number of devices that sense the user commands mechanically have been developed and are suited for people who are unable to use commonly available devices such as the computer mouse [2]. While some of these are modifications of the existing devices, there are other devices that have been specifically developed for people with special needs. All devices that use mechanical sensing require movement by the user and are suitable for people who have the appropriate level of motor activity, though they may not have the dexterity that is demonstrated by able-bodied counterparts.

These ­sensors detect the hand movement such as individual finger flexion, wrist flexion, and rotation. Such a glove has the advantage that it fits directly on the hand of the user and allows the user the natural connectivity with the devices to be controlled. Some of these gloves may also contain feedback modality where the 14 HCI Technologies for the Motor Impaired factors such as force or pressure may be sensed on the robotic device end and feedback provided to the user. The feedback may typically be in the form of vibration and often located in the palm region of the glove.

With technical advancements in areas such as fluidics, these got transformed to the use of hydraulics, and with advancements in the electrical engineering, the users were able to control machines with the help of electrical switches. Electronics opened a new era that allowed the person to control devices using very small devices that did not require big wires and high voltages, and thus were suitable even for children to use. Developments in the area of sensors furthered the ability of people to remotely sense and monitor machines, and control the equipment from a safe and comfortable location.

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