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MeSH Review

Echolocation

 
 
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High impact information on Echolocation

  • Solely echolocation calls were emitted upon electrical microstimulation or with microdialysed kainic acid in the region of the paralemniscal area [1].
  • In 58 cells, we also assessed how serotonin-induced changes in response areas correlated with changes in the responses to brief frequency-modulated (FM) sweeps whose structure simulated natural echolocation calls [2].
  • This match indicates that the auditory cortex is "personalized" for echolocation and that the CF2 resting frequency is like a signature of the orientation sound [3].
  • The broad frequency sensitivity of the AN2 cell indicates that T. oceanicus has evolved to detect a wide range of echolocation call frequencies [4].
  • Isovaleric acid (iso5:0) is an unusual fatty acid that is important for echolocation and hearing in acoustic tissues of some odontocetes, but its functional significance in blubber is unknown [5].
 

Chemical compound and disease context of Echolocation

 

Gene context of Echolocation

  • They can reach an amplitude as large as 70 dB SPL and occur in the frequency range most important for echolocation, namely on the average about 700 Hz above the constant frequency component of the orientation calls [9].

References

  1. Periaqueductal gray and the region of the paralemniscal area have different functions in the control of vocalization in the neotropical bat, Phyllostomus discolor. Fenzl, T., Schuller, G. Eur. J. Neurosci. (2002) [Pubmed]
  2. Serotonin effects on frequency tuning of inferior colliculus neurons. Hurley, L.M., Pollak, G.D. J. Neurophysiol. (2001) [Pubmed]
  3. The personalized auditory cortex of the mustached bat: adaptation for echolocation. Suga, N., Niwa, H., Taniguchi, I., Margoliash, D. J. Neurophysiol. (1987) [Pubmed]
  4. Sensory ecology of predator-prey interactions: responses of the AN2 interneuron in the field cricket, Teleogryllus oceanicus to the echolocation calls of sympatric bats. Fullard, J.H., Ratcliffe, J.M., Guignion, C. Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology. (2005) [Pubmed]
  5. High concentrations of isovaleric acid in the fats of odontocetes: variation and patterns of accumulation in blubber vs. stability in the melon. Koopman, H.N., Iverson, S.J., Read, A.J. J. Comp. Physiol. B, Biochem. Syst. Environ. Physiol. (2003) [Pubmed]
  6. Passive acoustic localization of the Atlantic bottlenose dolphin using whistles and echolocation clicks. Freitag, L.E., Tyack, P.L. The Journal of the Acoustical Society of America. (1993) [Pubmed]
  7. Tonic efferent-induced cochlear damping in roosting and echolocating mustached bats. Xie, D.H., Henson, O.W. Hear. Res. (1998) [Pubmed]
  8. Echolocation calls and communication calls are controlled differentially in the brainstem of the bat Phyllostomus discolor. Fenzl, T., Schuller, G. BMC Biol. (2005) [Pubmed]
  9. Evoked acoustic emissions and cochlear microphonics in the mustache bat, Pteronotus parnellii. Kössl, M., Vater, M. Hear. Res. (1985) [Pubmed]
 
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