Human echolocation
Human Echolocation
Human echolocation is the ability of humans to detect objects in their environment by sensing echoes from those objects, by actively creating sounds – for example, by tapping their canes, lightly stomping their foot, snapping their fingers, or making clicking noises with their mouths – people trained to orient by echolocation can interpret the sound waves reflected by nearby objects, accurately identifying their location and size.
Pronunciation
- /ˈhjuːmən ˌekoʊloʊˈkeɪʃən/
Etymology
The term "echolocation" is derived from the Greek words "echo" meaning sound, and "location" meaning place. The prefix "human" is added to differentiate it from similar abilities in animals, such as bats and dolphins.
Related Terms
- Echolocation: The general ability to locate objects by reflected sound, in humans, certain birds, and other animals.
- Sonar: A system for the detection of objects under water and for measuring the water's depth by emitting sound pulses and detecting or measuring their return after being reflected.
- Blindness: The state or condition of being unable to see because of injury, disease, or a congenital condition.
- Perception: The ability to see, hear, or become aware of something through the senses.
- Spatial awareness: The ability to be aware of oneself in space. It is an organized knowledge of objects in relation to oneself in that given space.
See Also
External links
- Medical encyclopedia article on Human echolocation
- Wikipedia's article - Human echolocation
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