Results 141 to 150 of about 715 (168)
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The Anatomical Record, 2022
AbstractDedicated nectarivory is a derived feeding habit that requires specialized cranial and soft‐tissue morphologies to extract nectar from flowers. Nectarivory has evolved many times in terrestrial vertebrates, and in four bat families (Pteropodidae, Phyllostomidae, Vespertilionidae, and Mystacinidae).
Laura L. Quinche +2 more
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AbstractDedicated nectarivory is a derived feeding habit that requires specialized cranial and soft‐tissue morphologies to extract nectar from flowers. Nectarivory has evolved many times in terrestrial vertebrates, and in four bat families (Pteropodidae, Phyllostomidae, Vespertilionidae, and Mystacinidae).
Laura L. Quinche +2 more
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Ontogeny of auditory brainstem responses in the bat, Phyllostomus discolor
Hearing Research, 2019(Uploaded by Plazi for the Bat Literature Project) Hearing is the primary sensory modality in bats, but its development is poorly studied. For newborns, hearing appears essential in maintaining contact with their mothers and to develop echolocation abilities.
Meike Linnenschmidt, Lutz Wiegrebe
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Variation in Phyllostomus discolor (Chiroptera: Phyllostomatidae)
Canadian Journal of Zoology, 1973Variation was assessed in the neotropical bat Phyllostomus discolor from a number of morphometric characters (length of one limb bone and eight cranial measurements). Sexual dimorphism is significant and is attributable to subtle differences in shape rather than to differences in size.
Dennis M. Power, J. R. Tamsitt
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, 2003 Simulated head related transfer function of the phyllostomid bat Phyllostomus discolor
The Journal of the Acoustical Society of America, 2008This paper presents a calculation of the head related transfer function (HRTF) for the frontal hemisphere of the phyllostomid bat Phyllostomus discolor using an acoustic field simulation tool based on the boundary element method. From the calculated HRTF results, binaural interaural intensity differences (IIDs) are derived.
de Mey, F. +4 more
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European Journal of Neuroscience, 2016
AbstractThe midbrain superior colliculus (SC) commonly features a retinotopic representation of visual space in its superficial layers, which is congruent with maps formed by multisensory neurons and motor neurons in its deep layers. Information flow between layers is suggested to enable the SC to mediate goal‐directed orienting movements.
Hoffmann, Susanne +9 more
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AbstractThe midbrain superior colliculus (SC) commonly features a retinotopic representation of visual space in its superficial layers, which is congruent with maps formed by multisensory neurons and motor neurons in its deep layers. Information flow between layers is suggested to enable the SC to mediate goal‐directed orienting movements.
Hoffmann, Susanne +9 more
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Journal of Comparative Physiology B, 1996
The ventilatory and metabolic responses of lesser spear-nosed bats to hypoxia and hypercapnia were measured to determine whether these corresponded to preliminary allometries and a positive relationship between hypoxic ventilatory threshold and P50.
J P, Walsh, D F, Boggs, D L, Kilgore
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The ventilatory and metabolic responses of lesser spear-nosed bats to hypoxia and hypercapnia were measured to determine whether these corresponded to preliminary allometries and a positive relationship between hypoxic ventilatory threshold and P50.
J P, Walsh, D F, Boggs, D L, Kilgore
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The Journal of the Acoustical Society of America, 2008
The processing of apparent acoustic motion was investigated in neurons in the auditory cortex of anaesthetized bats (Phyllostomus discolor). Apparent motion in the horizontal plane was generated by presenting pairs of pure tones with different interaural intensity differences (IIDs) and temporal separations, i.e. inter-pulse intervals (IPIs).
Susanne Hoffmann +2 more
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The processing of apparent acoustic motion was investigated in neurons in the auditory cortex of anaesthetized bats (Phyllostomus discolor). Apparent motion in the horizontal plane was generated by presenting pairs of pure tones with different interaural intensity differences (IIDs) and temporal separations, i.e. inter-pulse intervals (IPIs).
Susanne Hoffmann +2 more
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A dietary analysis of Phyllostomus discolor with potential evidence of mammal predation
Therya NotesPhyllostomus discolor is considered an omnivore, with a high consumption of nectar. The consumption of vertebrates has never been documented in P. discolor. However, there is a documented attack on Eptesicus furinalis, and frog remains were found under a colony of this bat. We obtained a fecal sample from P.
Marco A. Rodriguez-Segovia +2 more
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Object-oriented echo perception and cortical representation in the bat Phyllostomus discolor
The Journal of the Acoustical Society of America, 2008Echolocating bats can identify three-dimensional objects exclusively through the analysis of acoustic echoes of their ultrasonic emissions. However, objects of the same structure can differ in size and the auditory system must achieve a size-invariant, normalized object representation for reliable object recognition.
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