Results 41 to 50 of about 80,615 (281)

Non-equilibrium dynamics and floral trait interactions shape extant angiosperm diversity. [PDF]

, 2016
Why are some traits and trait combinations exceptionally common across the tree of life, whereas others are vanishingly rare? The distribution of trait diversity across a clade at any time depends on the ancestral state of the clade, the rate at which ...
Armbruster, W Scott, Diggle, Pamela K, Fenster, Charles B, Harder, Lawrence D, Hardy, Christopher R, Hileman, Lena C, Hufford, Larry, Litt, Amy, Magallón, Susana, O'Meara, Brian C, Smith, Stacey D, Smith, Stephen A, Stevens, Peter F   +12 more
core   +2 more sources

Dendrogramma, new Genus, with two new non- bilaterian species from the Marine Bathyal of Southeastern Australia (Animalia, Metazoa incertae sedis) – with similarities to some medusoids from the precambrian ediacara [PDF]

, 2014
This study examines a new species of dinosaur named Dendrogramma, which has been found near Bass Strait. Abstract A new genus, Dendrogramma, with two new species of multicellular, non-bilaterian, mesogleal animals with some bilateral aspects, D ...
Jean Just, Jorgen Olesen, Reinhardt Mobjerg Kristensen   +2 more
core   +3 more sources

Multi‐omics and low‐input proteomics profiling reveals dynamic regulation driving pluripotency initiation in early mouse embryos

FEBS Open Bio, EarlyView.
Mouse pre‐implantation development involves a transition from totipotency to pluripotency. Integrating transcriptomics, epigenetic profiling, low‐input proteomics and functional assays, we show that eight‐cell embryos retain residual totipotency features, whereas cytoskeletal remodeling regulated by the ubiquitin‐proteasome system drives progression ...
Wanqiong Li, Xi Xiao, Lingbin Qi, Chanyi Li, Sirui Song, Jiaying Qin, Zhigang Xue, Jinfeng Xue, Huaifang Li   +8 more
wiley   +1 more source

Intact Bilateral Resting-State Networks in the Absence of the Corpus Callosum [PDF]

, 2011
Temporal correlations between different brain regions in the resting-state BOLD signal are thought to reflect intrinsic functional brain connectivity (Biswal et al., 1995; Greicius et al., 2003; Fox et al., 2007).
Adolphs, Ralph, Kennedy, Daniel P., Paul, Lynn K., Tyszka, J. Michael   +3 more
core   +1 more source

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

Echinoderms have bilateral tendencies. [PDF]

PLoS ONE, 2012
Echinoderms take many forms of symmetry. Pentameral symmetry is the major form and the other forms are derived from it. However, the ancestors of echinoderms, which originated from Cambrian period, were believed to be bilaterians.
Chengcheng Ji, Liang Wu, Wenchan Zhao, Sishuo Wang, Sishuo Wang, Jianhao Lv   +5 more
doaj   +1 more source

View-tolerant face recognition and Hebbian learning imply mirror-symmetric neural tuning to head orientation [PDF]

, 2016
The primate brain contains a hierarchy of visual areas, dubbed the ventral stream, which rapidly computes object representations that are both specific for object identity and relatively robust against identity-preserving transformations like depth ...
Abbott, Adelson, Afraz, Anselmi, Bart, Bart, Berkes, Bruce, Cox, DiCarlo, Fabio Anselmi, Farzmahdi, Freiwald, Földiák, Hassoun, Hengen, Hung, Isik, Isik, Joel Z. Leibo, Keck, Ku, Leibo, Li, Meyers, Miyashita, Moeller, Oja, Oja, Poggio, Qianli Liao, Riesenhuber, Rolls, Sanger, Serre, Tan, Thorpe, Tomaso Poggio, Tsao, Tsao, Tsao, Turrigiano, Wallis, Winrich A. Freiwald, Wiskott   +44 more
core   +2 more sources

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang, Yixiu Pei, Xiaobao Hu, Ying Xiong, Fang Wang, Yanyan Yu, Min Zhu, Dandan Tan, Meihong Zhou, Daojun Hong, Fuqing Zhou   +10 more
wiley   +1 more source

A 73‐Year‐Old Man With Several Years of Difficulty Climbing Stairs and Frequent Tripping

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT A 73‐year‐old man presented with progressive weakness and atrophy predominantly affecting the distal finger flexors and quadriceps muscles. Electrophysiological studies demonstrated mixed myogenic and neurogenic features. Muscle MRI showed inflammatory changes, and muscle biopsy revealed granulomatous myositis with histologic features ...
Mehmet Can Sari, Arens Taga, Sonya Ulrike Steele, Ahmet Hoke   +3 more
wiley   +1 more source

Higher-Order Wavefront Aberrations for Populations of Young Emmetropes and Myopes

Journal of Optometry, 2009
Purpose: To test the hypothesis that human eyes have a central tendency to be free of higher-order aberrations by analyzing wavefront aberrations for two young populations of respectively emmetropic and myopic subjects.
Jinhua Bao, Rongrong Le, Jiangxiu Wu, Yeyu Shen, Fan Lu, Ji C. He   +5 more
doaj   +1 more source