Comparative hearing : birds and reptiles

TL;DR: In this paper, the ability of birds to detect and discriminate natural vocal signals in the presence of masking noise using operant conditioning was evaluated using a set of birds: budgerigars, Melopsittacus undulatus, and zebra finches, Taeniopygia guttata.

TL;DR: Until relatively recently, information on the internal skull structures of fossil taxa relied on fortuitous breaks, aggressive removal of rock matrix, sectioning with a saw, or serial ground thin-sectioning, all of which potentially risk damage to the fossil specimen.

TL;DR: It is argued that all vertebrate auditory systems are required to do certain basic tasks including acoustic feature discrimination, sound source localization, frequency analysis, and auditory scene analysis, among others.

TL;DR: Noise pollution in protected areas is closely linked with transportation, development, and extractive land use, providing insight into where mitigation efforts can be most effective, and indicates that noise pollution in Protected Areas with more stringent regulations had less anthropogenic noise.

TL;DR: A comparative analysis suggests that the avian neostriatum develops from a precursor region that in other vertebrates gives rise to olfactory cortex and, when present, to other components of the piriform lobe, such as the endopiriform claustrum and basolateral amygdala.

TL;DR: The central nucleus of the barn owl's inferior colliculus (ICc) contains a representation of both the ipsilateral and contralateral auditory hemifields that may be accounted for by the crossed projection from the nucleus laminaris.

TL;DR: Operant conditioning and multidimensional scaling procedures were used to study auditory perception of complex sounds in the budgerigar and showed that budgerIGars group vocal stimuli according to functional and acoustical categories.

TL;DR: Given the similarities in the release from masking and in CMR of starlings and humans, the starling may provide an excellent model for studying the mechanisms that underlie the generation of CMR.