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Psychophysics of Human Echolocation
2013The skills of some blind humans orienting in their environment through the auditory analysis of reflections from self-generated sounds have received only little scientific attention to date. Here we present data from a series of formal psychophysical experiments with sighted subjects trained to evaluate features of a virtual echo-acoustic space ...
Sven, Schörnich +6 more
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Investigations of mammalian echolocation
2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2009Active echolocation is a sensory modality possessed by a variety of mammals and is used for the identification, classification and localization of objects. A multi stage model of the bat echolocation process has been used with recordings of rotated disks to plot frequency spectrums of the signals reaching each of the bats' ears. Recordings from objects
D S, Edwards +5 more
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Duration tuning in the auditory midbrain of echolocating and non-echolocating vertebrates
Journal of Comparative Physiology A, 2011(Uploaded by Plazi for the Bat Literature Project) Neurons tuned for stimulus duration were first discovered in the auditory midbrain of frogs. Durationtuned neurons (DTNs) have since been reported from the central auditory system of both echolocating and nonecholocating mammals, and from the central visual system of cats.
Riziq, Sayegh +2 more
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Target Discrimination by the Echolocation of Bats
Science, 1964AbstractMyotis lucifugus first learned to catch mealworms mechanically projected into the air in a laboratory flight room, and were then trained to distinguish mealworms from small metal or plastic disks (3.0 × 12.5 mm and 0.5 × 6.3 mm). These three targets were presented singly in a semi‐random sequence, traveling along very similar trajectories.
D R, GRIFFIN, J H, FRIEND, F A, WEBSTER
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Nature, 2010
Echolocation of bats is a fascinating topic with an ongoing controversy regarding the signal processing that bats perform on the echo. Veselka et al. found that bats that use the larynx for producing the echolocating ultrasound have a stylohyal bone that connects the larynx to the auditory bulla. I propose that the stylohyal bone is used for heterodyne
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Echolocation of bats is a fascinating topic with an ongoing controversy regarding the signal processing that bats perform on the echo. Veselka et al. found that bats that use the larynx for producing the echolocating ultrasound have a stylohyal bone that connects the larynx to the auditory bulla. I propose that the stylohyal bone is used for heterodyne
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2014
Bats and toothed whales both emit ultrasonic pulses and listen for returning echoes in a process known as echolocation. However, their biosonars are the results of independent evolution under conditions of poor lighting in air and water that offer very different conditions for production, transmission, and reflection of ultrasound.
Madsen, Professor Peter Teglberg; id_orcid 0000-0002-5208-5259 +1 more
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Bats and toothed whales both emit ultrasonic pulses and listen for returning echoes in a process known as echolocation. However, their biosonars are the results of independent evolution under conditions of poor lighting in air and water that offer very different conditions for production, transmission, and reflection of ultrasound.
Madsen, Professor Peter Teglberg; id_orcid 0000-0002-5208-5259 +1 more
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A Theory Of Dolphin Echolocation With Applications To Acoustic Echolocation Systems
Offshore Technology Conference, 1979ABSTRACT A new theory of echolocation is described that explains in detail the sonar systems employed by Cetaceans and other marine mammals. One unusual feature of the method is the use of phase encoded angular coordinate information.
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1963
The cries of bats, although unperceived by our unaided ears, may be made audible by simple electronic apparatus. With such a detector, it is fascinating to observe a bat navigating, negotiating obstacles and catching its prey in the dusk, and to remember that this performance is achieved by acoustic means.
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The cries of bats, although unperceived by our unaided ears, may be made audible by simple electronic apparatus. With such a detector, it is fascinating to observe a bat navigating, negotiating obstacles and catching its prey in the dusk, and to remember that this performance is achieved by acoustic means.
openaire +1 more source