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Related Concept Videos

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Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
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Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
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Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
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Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
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Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
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Navigation for the Blind through Audio-Based Virtual Environments.

Jaime Sánchez1, Mauricio Sáenz1, Alvaro Pascual-Leone2

  • 1Department of Computer Science, Center for Advanced Research in Education (CARE), University of Chile, Blanco Encalada 2120., Santiago, Chile.

Extended Abstracts on Human Factors in Computing Systems. CHI Conference
|December 16, 2014
PubMed
Summary
This summary is machine-generated.

This study introduces an Audio-Based Environments Simulator (AbES) for brain navigation research. Initial findings show its potential as an effective virtual reality platform for training orientation and mobility skills in blind users.

Keywords:
Assistive technologies for persons with disabilitiesComputers and Society – Social IssuesDesignExperimentationK.4.2 [Computing Milieux]Orientation and MobilityVirtual EnvironmentVisual Impairment

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Area of Science:

  • Neuroscience
  • Virtual Reality
  • Rehabilitation Technology

Background:

  • Navigation and spatial orientation are crucial skills, particularly for individuals with visual impairments.
  • Understanding brain adaptations during navigation is essential for developing effective training tools.

Purpose of the Study:

  • To design and develop an Audio-Based Environments Simulator (AbES) integrated within a neuroimaging setting.
  • To investigate brain changes and adaptations related to navigation using this simulator.
  • To evaluate the potential of AbES as a platform for training orientation and mobility skills.

Main Methods:

  • Integration of an Audio-Based Environments Simulator (AbES) into a neuroimaging environment.
  • Development of a virtual environment allowing blind users to navigate virtual representations of real spaces.
  • Conducting an initial study to observe navigation-related brain adaptations.

Main Results:

  • The Audio-Based Environments Simulator (AbES) was successfully designed and implemented within a neuroimaging setup.
  • Initial study results indicate the simulator's capability to elicit navigation-related brain adaptations.
  • The virtual environment facilitated navigation practice for blind users, aiding orientation and mobility skill development.

Conclusions:

  • The Audio-Based Environments Simulator (AbES) shows promise as a novel tool for neuroscience research.
  • This virtual reality platform could be highly efficient for testing, training, and rehabilitation of navigation skills.
  • The system offers a unique approach to enhance orientation and mobility for visually impaired individuals.