Human echolocation: Blind and sighted persons' ability to detect sounds recorded in the presence of a reflecting object.

@article{Schenkman2010HumanEB,
  title={Human echolocation: Blind and sighted persons' ability to detect sounds recorded in the presence of a reflecting object.},
  author={Bo Schenkman and Mats E. Nilsson},
  journal={Perception},
  year={2010},
  volume={39 4},
  pages={483-501}
}
Research suggests that blind people are superior to sighted in echolocation, but systematic psychoacoustic studies on environmental conditions such as distance to objects, signal duration, and reverberation are lacking. Therefore, two experiments were conducted. Noise bursts of 5, 50, or 500 ms were reproduced by a loudspeaker on an artificial manikin in an ordinary room and in an anechoic chamber. The manikin recorded the sounds binaurally in the presence and absence of a reflecting 1.5-mm… CONTINUE READING
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