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A Targeted Deletion in α-Tectorin Reveals that the Tectorial Membrane Is Required for the Gain and Timing of Cochlear Feedback
alpha-tectorin is an extracellular matrix molecule of the inner ear. Mice homozygous for a targeted deletion in a-tectorin have tectorial membranes that are detached from the cochlear epithelium andExpand
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Comparative aspects of cochlear functional organization in mammals
This review addresses the functional organization of the mammalian cochlea under a comparative and evolutionary perspective. A comparison of the monotreme cochlea with that of marsupial and placentalExpand
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Acoustic distortion products from the ear of a grasshopper
Distortion-product otoacoustic emissions were recorded from the tympanum of the grasshopper, Locusta migratoria. The hearing organ of this insect is in direct contact with the tympanum and does notExpand
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The acoustic two-tone distortions 2f1-f2 and f2-f1 and their possible relation to changes in the operating point of the cochlear amplifier
Acoustic two-tone distortions are generated during non-linear mechanical amplification in the cochlea. Generation of the cubic distortion 2f1-f2 depends on asymmetric components of a non-linearExpand
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Development of echolocation calls in the mustached bat, Pteronotus parnellii.
Adult mustached bats employ Doppler-sensitive sonar to hunt fluttering prey insects in acoustically cluttered habitats. The echolocation call consists of 4-5 harmonics, each composed of a longExpand
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Tonotopically Arranged Traveling Waves in the Miniature Hearing Organ of Bushcrickets
Place based frequency discrimination (tonotopy) is a fundamental property of the coiled mammalian cochlea. Sound vibrations mechanically conducted to the hearing organ manifest themselves into slowExpand
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GAD‐ and GABA‐immunoreactivity in the ascending auditory pathway of horseshoe and mustached bats
A comparative study of the immunostain to antibodies directed against glutamic acid decarboxylase (GAD) and gamma‐aminobutyric acid (GABA) in the ascending auditory pathway was carried out inExpand
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Further studies on the mechanics of the cochlear partition in the mustached bat. II. A second cochlear frequency map derived from acoustic distortion products
It has been proposed that acoustic 2f1-f2 distortions reflect the frequency characteristics of a secondary cochlear filter mechanism (Brown et al., 1992; Allen and Fahey, 1993). This concept was usedExpand
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Acoustical and electrical biasing of the cochlea partition. Effects on the acoustic two tone distortions f2−f1 and 2f1−f2
Low frequency acoustical biasing of the cochlear partition with 5 Hz tones produces phase correlated changes of the acoustic two-tone distortions 2f1-f2 and f2-f1. Pronounced changes of f2-f1 andExpand
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Otoacoustic emissions from the cochlea of the ‘constant frequency’ bats, Pteronotus parnellii and Rhinolophus rouxi
  • M. Kössl
  • Biology, Medicine
  • Hearing Research
  • 31 January 1994
During stimulation with continuous pure tones, the cochlea of each individual of the mustached bat, Pteronotus parnellii, produces a strong evoked stimulus-frequency otoacoustic emission (SFOAE) atExpand
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