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Related Concept Videos

Sensory Modalities01:15

Sensory Modalities

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.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
Blind Procedures02:07

Blind Procedures

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 child was...
Visual Agnosia01:12

Visual Agnosia

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 end"...
Neuroplasticity01:01

Neuroplasticity

Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
What is a Sensory System?01:31

What is a Sensory System?

Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
Unrenewable Cells00:50

Unrenewable Cells

In humans, the photoreceptor cells of the eye and sensory hair cells of the ear lack stem cells. These cells are thus unrenewable and cannot be replaced when they are damaged or destroyed.
Photoreceptors
The retina is composed of several layers and contains specialized cells called photoreceptors. The photoreceptors (rods and cones) change their membrane potential when stimulated by light energy. There are two types of photoreceptors—rods and cones—which differ in the shape of their outer...

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Related Experiment Video

Updated: May 24, 2026

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
09:01

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

Published on: March 27, 2013

Sensory augmentation for the blind.

Silke M Kärcher1, Sandra Fenzlaff, Daniela Hartmann

  • 1Neurobiopsychology, Institute of Cognitive Science, University Osnabrück Osnabrück, Germany.

Frontiers in Human Neuroscience
|March 10, 2012
PubMed
Summary
This summary is machine-generated.

Sensory augmentation devices provide directional cues to blind individuals, enhancing navigation and security. This vibrotactile belt improved performance in daily tasks and exploration, demonstrating potential for aiding visually impaired people.

Keywords:
blindnessnavigationnavigational aidsensorimotor contingenciessensory augmentationspatial perceptiontactile device

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A Tactile Automated Passive-Finger Stimulator (TAPS)
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Last Updated: May 24, 2026

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
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Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

Published on: March 27, 2013

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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A Tactile Automated Passive-Finger Stimulator (TAPS)
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Area of Science:

  • Neuroscience
  • Human-Computer Interaction
  • Rehabilitation Engineering

Background:

  • Traditional navigation aids for the blind can distract from immediate environmental cues.
  • Sensory augmentation devices offer a potential solution by integrating information sub-cognitively.

Purpose of the Study:

  • To evaluate the effectiveness of a vibrotactile belt providing magnetic north information for a late blind individual.
  • To assess improvements in navigation, spatial awareness, and emotional well-being.

Main Methods:

  • A single late blind subject was equipped with a vibrotactile belt signaling magnetic north.
  • Behavioral tests, questionnaires, and interviews were conducted before and after an extended training period.

Main Results:

  • Instantaneous improvement in a pointing task was observed.
  • Enhanced performance in maintaining direction, taking shortcuts, and a homing task under attentional load.
  • Increased sense of security and improved adjustment of inner maps in familiar and unfamiliar environments.

Conclusions:

  • The vibrotactile belt successfully integrated into the subject's behavior, improving navigational performance.
  • Sensory augmentation demonstrated a positive emotional impact, enhancing feelings of security.
  • This approach shows promise for assistive technology in aiding individuals with visual impairments.