Results 41 to 50 of about 117,768 (256)

Worldwide decline in tonal frequencies of blue whale songs [PDF]

Endangered Species Research, 2009
Blue whale Balaenoptera musculus songs can be divided into at least 10 types world- wide, each type retaining the same units and similar phrasing over decades, unlike humpback whale song which changes substantially from year to year. Historical acoustic recordings dating back as far as the 1960s were examined, measuring the tonal frequencies of 1000s ...
MA McDonald, JA Hildebrand, S Mesnick
openaire   +1 more source

Temporal and rate code analysis of responses to low-frequency components in the bird’s own song by song system neurons [PDF]

Journal of Comparative Physiology A, 2015
Auditory feedback (AF) plays a critical role in vocal learning. Previous studies in songbirds suggest that low-frequency (
Makoto Fukushima, Peter L. Rauske, Daniel Margoliash   +2 more
openaire   +2 more sources

CEACAM1 participation in breast cancer progression

Molecular Oncology, EarlyView.
In invasive breast cancer (BC), CEACAM1 shifts from an apical to a uniform membranous/cytoplasmic pattern, or is lost, as tumors dedifferentiate, inversely tracking the Ki‐67 proliferative index. In MCF‐7 cells, only CEACAM1‐4L suppresses proliferation, repressing cell cycle and growth factor genes.
Mykola Lyndin, Irina Kube‐Golovin, Anatolii Romaniuk, Gunther Wennemuth   +3 more
wiley   +1 more source

Risk Prediction Models for Recurrence After Curative Treatment of Early‐Stage or Locally Advanced Lung Cancer: A Systematic Review

Aging and Cancer, EarlyView.
This systematic review synthesizes prognostic models for survival and recurrence in resected non‐small cell lung cancer. While many models demonstrate moderate to good discrimination, few are externally validated and reporting quality is variable, limiting clinical applicability and highlighting the need for robust, transparent model development ...
Evangeline Samuel, S. Tissera, E. Paul, J. Zalcberg, R. G. Stirling   +4 more
wiley   +1 more source

Cultural transmission and its possible effect on urban acoustic adaptation of the great tit Parus major [PDF]

Animal Biodiversity and Conservation, 2015
Urban great tits (Parus major) sing with a higher minimum frequency than their forest conspecifics. Cultural processes may account at least in part for the song divergence in city birds as great tits learn their repertoire from conspecifics and switch to
Bueno–Enciso, J., Núñez–Escribano, D., Sanz, J. J.   +2 more
doaj  

Syringeal specialization of frequency control during song production in the Bengalese finch (Lonchura striata domestica). [PDF]

PLoS ONE, 2012
BackgroundSinging in songbirds is a complex, learned behavior which shares many parallels with human speech. The avian vocal organ (syrinx) has two potential sound sources, and each sound generator is under unilateral, ipsilateral neural control ...
Kristen R Secora, Jennifer R Peterson, Catherine M Urbano, Boah Chung, Kazuo Okanoya, Brenton G Cooper   +5 more
doaj   +1 more source

Singing in the city: high song frequencies are no guarantee for urban success in birds [PDF]

Behavioral Ecology, 2015
Urbanization involves dramatic environmental alterations, which can limit survival and reproduction of organisms and contribute to loss of biodiversity. One such alteration is anthropogenic noise, which biases natural ambient noise spectra toward low frequencies where it may interfere with acoustic communication among birds.
Maria Moiron, Cesar González-Lagos, Hans Slabbekoorn, Daniel Sol   +3 more
openaire   +4 more sources

Spinal Cord Infarction Versus Idiopathic Transverse Myelitis: Clinical, Radiological, and Functional Insights From a Retrospective Cohort Study

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Spinal cord infarction (SCI) is a rare but devastating myelopathy, characterized by a high disability rate and an unfavorable prognosis. It has often been underdiagnosed and misdiagnosed as idiopathic transverse myelitis (ITM). This study aimed to describe the clinical features, radiological biomarkers, treatments, and functional ...
Zeqiang Ji, Jianlong Zhang, Yiming Shi, Shiyu Shan, Yang Du, Guangshuo Li, Ying Jin, Yani Zhang, Chuanying Wang, Yijun Lin, Yuhao Guo, Decai Tian, Xingquan Zhao, Tian Song   +13 more
wiley   +1 more source

Mutations of the Drosophila myosin regulatory light chain affect courtship song and reduce reproductive success.

PLoS ONE, 2014
The Drosophila indirect flight muscles (IFM) rely on an enhanced stretch-activation response to generate high power output for flight. The IFM is neurally activated during the male courtship song, but its role, if any, in generating the small amplitude ...
Samya Chakravorty, Hien Vu, Veronica Foelber, Jim O Vigoreaux   +3 more
doaj   +1 more source

From electromyographic activity to frequency modulation in zebra finch song

Journal of Comparative Physiology A, 2017
Behavior emerges from the interaction between the nervous system and peripheral devices. In the case of birdsong production, a delicate and fast control of several muscles is required to control the configuration of the syrinx (the avian vocal organ) and the respiratory system.
Döppler, Juan Francisco, Bush, Alan, Goller, Franz, Mindlin, Bernardo Gabriel   +3 more
openaire   +3 more sources