Results 141 to 150 of about 1,593,811 (397)

Functionally distinct high and low theta oscillations in the human hippocampus

Nature Communications, 2018
Based on rodent models, researchers have theorized that the hippocampus supports episodic memory and navigation via the theta oscillation, a ~4–10 Hz rhythm that coordinates brain-wide neural activity.
Abhinav Goyal, Jonathan F. Miller, S. Qasim, Andrew J. Watrous, J. Stein, Cory S. Inman, R. Gross, Jon T. Willie, B. Lega, Jui-Jui Lin, A. Sharan, Chengyuan Wu, M. Sperling, S. Sheth, G. Mckhann, Elliot H. Smith, C. Schevon, J. Jacobs   +17 more
semanticscholar   +1 more source

Fabrication of Compositionally Graded NiTi Shape Memory Alloy Laminated Composites Through Hot Roll Bonding and its Characterization

Advanced Engineering Materials, EarlyView.
A novel technique for fabricating monolithic functionally graded NiTi shape memory alloy (SMA) laminated hybrid composite has been developed. An excellent metallurgical bonding can be established between two compositionally different NiTi SMAs through spark plasma sintering joining/diffusion bonding followed by hot roll bonding.
Soumya Sinha, Bikas Chandra Maji, Ram Niwas Singh   +2 more
wiley   +1 more source

A Covariant Feynman Path Amplitude Calculation of Neutrino and Muon Oscillations [PDF]

arXiv, 2001
Predictions are presented for the oscillation phase in neutrino oscillations following pion decay at rest and in flight, muon decay and nuclear $\beta-$decay at rest as well as for muon oscillations following pion decay at rest and in flight. The neutrino oscillation phases found disagree with the conventionally used value: $\phi_{12} = \Delta m^2 L ...
arxiv  

Resonant Excitation of Disk Oscillations in Deformed Disks II: A Model of High Frequency QPOs

, 2007
The amplification of disk oscillations resulting from nonlinear resonant couplings between the oscillations and a disk deformation is examined. The disk is geometrically thin and general relativistic with a non-rotating central source.
Kato, Shoji
core   +1 more source

4 Hz oscillations synchronize prefrontal-amygdala circuits during fear behaviour

Nature Neuroscience, 2016
Fear expression relies on the coordinated activity of prefrontal and amygdala circuits, yet the mechanisms allowing long-range network synchronization during fear remain unknown.
Nikolaos Karalis, Cyril Déjean, Fabrice Chaudun, Suzana Khoder, Robert R. Rozeske, H. Wurtz, S. Bagur, K. Benchenane, A. Sirota, J. Courtin, C. Herry   +10 more
semanticscholar   +1 more source

Low‐Velocity Penetration Impact Behavior of Triply Periodic Minimal Surface Strut‐Based Lattices

Advanced Engineering Materials, EarlyView.
Triply periodic minimal surface (TPMS)‐based lattices are gaining attention for their multifunctional properties in applications as aeronautics and automotive, which involve low‐velocity impact loading. This work evaluates the low‐velocity penetration impact behavior of five distinct TPMS architectures.
Lucía Doyle, Javier García‐Molleja, Carlos González   +2 more
wiley   +1 more source

Beyond Emotions: Oscillations of the Amygdala and Their Implications for Electrical Neuromodulation

Frontiers in Neuroscience, 2019
The amygdala is a structure involved in emotions, fear, learning and memory and is highly interconnected with other brain regions, for example the motor cortex and the basal ganglia that are often targets of treatments involving electrical stimulation ...
Lisa-Maria Schönfeld, Lars Wojtecki, Lars Wojtecki, Lars Wojtecki   +3 more
doaj   +1 more source

Decoherence of Quantum Damped Oscillators [PDF]

J. Korean Phys. Soc. 43 (2003) 452-460, 2002
Quantum dissipation is studied within two model oscillators, the Caldirola-Kanai (CK) oscillator as an open system with one degree of freedom and the Bateman-Feshbach-Tikochinsky (BFT) oscillator as a closed system with two degrees of freedom. Though these oscillators describe the same classical damped motion, the CK oscillator retains the quantum ...
arxiv  

Nonlinear transverse oscillations of a geostrophic front [PDF]

, 2004
A planar problem of nonlinear transverse oscillations of the surface (warm) front of a finite width is considered within the framework of a reduced-gravity model of the ocean.
Brandt, Peter, Dotsenko, S. F., Rubino, A.   +2 more
core  

Covalently‐Bonded Diaphite Nanoplatelet with Engineered Electronic Properties of Diamond

Advanced Functional Materials, EarlyView.
A novel approach to engineering the electronic properties of diamond is reported on the diaphite nanoplatelet consisting of (11¯${{\bar{1}}}$1) planes of diamond nanoplatelet covalently bonded with graphite (0001) planes. The strong sp3/sp2‐hybridized interfacial covalent bonding induces the electron transfer from diamond to graphite, resulting in a ...
Zhaofeng Zhai, Chuyan Zhang, Bin Chen, Ying Xiong, Yan Liang, Lusheng Liu, Bing Yang, Nianjun Yang, Xin Jiang, Nan Huang   +9 more
wiley   +1 more source