نتایج جستجو برای: chronic progressive external ophthalmoplegia

تعداد نتایج: 780052  

Journal: :Acta psychologica 2014
Nash Unsworth Brittany D McMillan

The current study examined the extent to which task-unrelated thoughts represent both vulnerability to mind-wandering and susceptibility to external distraction from an individual difference perspective. Participants performed multiple measures of attention control, working memory capacity, and fluid intelligence. Task-unrelated thoughts were assessed using thought probes during the attention c...

2015
Zhaoyun Ge Ling Xu Yunqing Cao Tao Wu Hucheng Song Zhongyuan Ma Jun Xu Kunji Chen

We report herein on the effects of silicon nanowire with different morphology on the device performance of n-SiNW/PEDOT:PSS hybrid solar cells. The power conversion efficiency (PCE) and external quantum efficiency (EQE) of the SiNW/PEDOT:PSS hybrid solar cells can be optimized by varying the length of the silicon nanowires. The optimal length of silicon nanowires is 0.23 μm, and the hybrid sola...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1985
F A Mussa-Ivaldi N Hogan E Bizzi

When the hand is displaced from an equilibrium posture by an external disturbance, a force is generated to restore the original position. We developed a new experimental method to measure and represent the field of elastic forces associated with posture of the hand in the horizontal plane. While subjects maintained a given posture, small displacements of the hand along different directions were...

Journal: :Journal of the Optical Society of America. A, Optics, image science, and vision 2008
Eugénie Dalimier Chris Dainty

Customized optical filtering and light-dependent neural filtering were implemented in an ideal-observer model for an L-alternative forced-choice visual task. The model was applied to a contrast threshold visual task with adaptive optics correction of ocular higher-order (HO) aberrations under different light regimes, for which experimental data have previously been obtained (J. Mod. Opt.55, 791...

Journal: :Optics express 2016
Hong Chen Houqiang Fu Zhijian Lu Xuanqi Huang Yuji Zhao

We implement finite-difference time-domain (FDTD) method to simulate the optical properties of highly polarized InGaN light emitting diodes (LEDs) coupled with metallic grating structure. The Purcell factor (Fp), light extraction efficiency (LEE), internal quantum efficiency (IQE), external quantum efficiency (EQE), and modulation frequency are calculated for different polarized emissions. Our ...

Journal: :Trends in neurosciences 2006
Longnian Lin Remus Osan Joe Z Tsien

Recent identification of network-level coding units, termed neural cliques, in the hippocampus has enabled real-time patterns of memory traces to be mathematically described, directly visualized, and dynamically deciphered. These memory coding units are functionally organized in a categorical and hierarchical manner, suggesting that internal representations of external events in the brain is ac...

2010
Nalin Kulatilaka Laura Toschi

There is a growing trend by established firms to use a multitude of External Corporate Venturing (ECV) mechanisms (alliances, partnerships, joint ventures, acquisitions, licensing agreements and investments in corporate venture capital) to acquire external innovations. In this paper, we develop a framework within which firms choose ECV mechanisms that are best aligned with characteristics of th...

Journal: :ACS nano 2011
Minsheng Wang Emil B Song Sejoon Lee Jianshi Tang Murong Lang Caifu Zeng Guangyu Xu Yi Zhou Kang L Wang

Bilayer graphene has recently earned great attention for its unique electronic properties and commendable use in electronic applications. Here, we report the observation of quantum dot (QD) behaviors in bilayer graphene nanoribbons (BL-GNRs). The periodic Coulomb oscillations indicate the formation of a single quantum dot within the BL-GNR because of the broad distribution function of the carri...

2014
Ge Chen Fang Hou Fang-Fang Yan Pan Zhang Jie Xi Yifeng Zhou Zhong-Lin Lu Chang-Bing Huang

Sensitivity to luminance difference, or contrast sensitivity, is critical for animals to survive in and interact with the external world. The contrast sensitivity function (CSF), which measures visual sensitivity to spatial patterns over a wide range of spatial frequencies, provides a comprehensive characterization of the visual system. Despite its popularity and significance in both basic rese...

2016
Kibaek Lee Jaeheung Yoo Munkee Choi Hangjung Zo Andrew P. Ciganek

Firms continuously search for external knowledge that can contribute to product innovation, which may ultimately increase market performance. The relationship between external knowledge sourcing and market performance is not well-documented. The extant literature primarily examines the causal relationship between external knowledge sources and product innovation performance or to identify facto...

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