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Multiparametric corticofugal modulation and plasticity in the auditory system
TLDR
Recent progress is reviewed in understanding of the corticofugal system and the reorganization of the auditory system of the moustached bat. Expand
Role of corticofugal feedback in hearing
  • N. Suga
  • Psychology, Medicine
  • Journal of Comparative Physiology A
  • 29 January 2008
TLDR
The auditory system consists of the ascending and descending (corticofugal) systems and one of the most important functions is the improvement and adjustment of subcortical auditory signal processing for cortical signal processing. Expand
Corticofugal modulation of the midbrain frequency map in the bat auditory system
TLDR
One role of the mammalian corticofugal system may be to modify subcortical sensory maps in response to sensory experience, as investigated in the big brown bat. Expand
Combination-sensitive neurons in the medial geniculate body of the mustached bat: encoding of target range information.
TLDR
The examination of the response properties of FM-FM neurons indicates that the neural mechanism of delay-tuning depends on coincidence detection and involves an interaction between neural inhibition and excitation, and evidence for a thalamic origin for FM- FM neurons is presented. Expand
Experience-dependent corticofugal adjustment of midbrain frequency map in bat auditory system.
  • E. Gao, N. Suga
  • Psychology, Medicine
  • Proceedings of the National Academy of Sciences…
  • 13 October 1998
TLDR
It is found that acoustic stimulation alone evokes a change in the frequency map of the IC, and this change becomes greater when the acoustic stimulation is made behaviorally relevant by pairing it with electrical stimulation, and that the collicular change is mediated by the corticofugal system. Expand
Corticofugal modulation of frequency processing in bat auditory system
TLDR
The corticofugal system mediates a positive feedback which, in combination with widespread lateral inhibition, sharpens and adjusts the tuning of neurons at earlier stages in the auditory processing pathway. Expand
Analysis of acoustic elements and syntax in communication sounds emitted by mustached bats.
TLDR
Temporal analysis of multisyllabic constructs reveals several syntactical rules for syllable transitions in Mustached bats, which exhibit a large intrinsic variation in their physical structure compared to the stereotypic echolocation pulses. Expand
Experience-dependent plasticity in the auditory cortex and the inferior colliculus of bats: role of the corticofugal system.
  • E. Gao, N. Suga
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences…
  • 5 July 2000
TLDR
The working hypothesis is that, during conditioning, the corticofugal system evokes subcortical BF shifts, which in turn boost cortical BF shifts which otherwise would be very small. Expand
Encoding of target range and its representation in the auditory cortex of the mustached bat
  • W. O'Neill, N. Suga
  • Biology, Medicine
  • The Journal of neuroscience : the official…
  • 1 January 1982
TLDR
The auditory cortex of the mustached bat is explored using pairs of acoustic stimuli mimicking the multiharmonic biosonar signals (pulses) used by this species and their echoes to explore a new type of cortical organization which is not tonotopic but which represents an important acoustic cue related to the time course of acoustic events. Expand
Corticofugal Modulation of Time-Domain Processing of Biosonar Information in Bats
TLDR
The Jamaican mustached bat has delay-tuned neurons in the inferior colliculus, medial geniculate body, and auditory cortex that improve information processing in the Lower Colliculus by way of the corticocollicular projection. Expand
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