Results 11 to 20 of about 117,768 (256)

Dementia and the SONG Laser Protocol: a clinical case study [PDF]

open access: yesCellR4, 2023
BACKGROUND: The aim of this case study was to investigate the safety and efficacy of the SONG Laser Protocol in the context of dementia. Our hypothesis is that the SONG Laser Protocol, when administered intravenously, may have a beneficial effect on the ...
T. Schroeder, T. Ovokaitys, P. Hollands
doaj   +1 more source

Experimentally broadcast ocean surf and river noise alters birdsong [PDF]

open access: yesPeerJ, 2022
Anthropogenic noise and its effects on acoustic communication have received considerable attention in recent decades. Yet, the natural acoustic environment’s influence on communication and its role in shaping acoustic signals remains unclear.
Veronica A. Reed   +5 more
doaj   +2 more sources

The effects of anthropogenic noise and urban habitats on song structure in a vocal mimic; the gray catbird (Dumetella carolinensis) sings higher frequencies in noisier habitats

open access: yesFrontiers in Ecology and Evolution, 2023
In urban and human-modified landscapes, animals face novel selection pressures resulting from differences in habitat structure and increased anthropogenic noise.
Morgan L. Rhodes   +8 more
doaj   +1 more source

The communicative significance of song frequency and song length in territorial chiffchaffs [PDF]

open access: yesBehavioral Ecology, 2012
Spectral and temporal measures of vocalizations have been found to correlate with physical parameters that affect the fighting ability in various species of frogs, mammals, and birds. This correlation could play a role in communication for intersexual mate attraction, as well as intrasexual competition.
Pavel Linhart   +2 more
openaire   +2 more sources

The siren song of vocal fundamental frequency for romantic relationships [PDF]

open access: yesFrontiers in Psychology, 2013
A multitude of factors contribute to why and how romantic relationships are formed as well as whether they ultimately succeed or fail. Drawing on evolutionary models of attraction and speech production as well as integrative models of relationship functioning, this review argues that paralinguistic cues (more specifically the fundamental frequency of ...
Weusthoff, Sarah   +2 more
openaire   +3 more sources

ALLOZYME FREQUENCIES IN A LINEAR SERIES OF SONG DIALECT POPULATIONS [PDF]

open access: yesEvolution, 1982
Evaluating the biological consequences of avian song dialects is important in at least two ways. First, where appropriate experimental evidence is available, we know that dialect markers in song are learned (Marler, 1970; Marler and Mundinger, 1971). Dialect systems thus offer an opportunity to determine if and how culturally transmitted vocal signals,
Myron Charles, Baker   +4 more
openaire   +2 more sources

Characterization of fin whale song off the Western Antarctic Peninsula.

open access: yesPLoS ONE, 2022
Song is produced by a variety of terrestrial and marine animals and is particularly common among baleen whales. Fin whale (Balaenoptera physalus) song is comprised of relatively simple 20 Hz pulses produced at regular intervals.
Megan Wood, Ana Širović
doaj   +2 more sources

The relative response of songbirds to shifts in song amplitude and song minimum frequency [PDF]

open access: yesBehavioral Ecology, 2016
Lay Summary Male birds adjust their strength of response to songs modified with increased amplitude and minimum frequency in the presence of loud human noise. In addition, territorial rival males respond more strongly to louder songs than songs with relatively lower minimum frequencies.
David A Luther   +4 more
openaire   +1 more source

Mechanisms of high frequency song generation in brachypterous crickets and the role of ghost frequencies [PDF]

open access: yesJournal of Experimental Biology, 2013
SummarySound production in crickets relies on stridulation, the well-understood rubbing together of a pair of specialised wings. As the file of one wing slides over the scraper of the other, a series of rhythmic impacts cause harmonic oscillations, usually resulting in the radiation of pure tones delivered at low frequencies (2-8 kHz).
T. Robillard   +4 more
openaire   +3 more sources

Mechanisms of frequency and amplitude modulation in ring dove song [PDF]

open access: yesJournal of Experimental Biology, 2003
SUMMARYBirdsong assumes its complex and specific forms by the modulation of phonation in frequency and time domains. The organization of control mechanisms and intrinsic properties causing such modulation have been studied in songbirds but much less so in non-songbirds, the songs of which are often regarded as relatively simple.
Beckers, G.J.L.   +2 more
openaire   +4 more sources

Home - About - Disclaimer - Privacy