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Animal vocalisations serve a wide range of vital functions. Although it is possible to record animal vocalisations with external microphones, more insights are gained from miniature sensors mounted directly on animals' backs. We present…

Signal Processing · Electrical Eng. & Systems 2024-08-01 Lukas Schulthess , Steven Marty , Matilde Dirodi , Mariana D. Rocha , Linus Rüttimann , Richard H. R. Hahnloser , Michele Magno

Neural oscillations are electrical activities of the brain measurable at different frequencies. This paper studies the interaction between the fast and slow processes in the brain. We recorded signals intracranially from the simple Wistar…

Neurons and Cognition · Quantitative Biology 2022-05-12 Evgeniia S. Sevasteeva , Sergei A. Plotnikov , Dmitry R. Belov

Blazar gamma-ray variability is predominantly stochastic and well described by red-noise processes. However, a subset of sources shows quasi-periodic oscillations (QPOs) on year-long timescales, whose physical origin remains debated. In…

High Energy Astrophysical Phenomena · Physics 2026-04-17 Alberto Domínguez , Adithiya Dinesh , Elena Madero

A volume coil with squared slots-end ring was developed to attain improved sensitivity for imaging of rat's brain at 7 T. The principles of the high cavity resonator for the low-pass case and the law of Biot-Savart were used to derive a…

Medical Physics · Physics 2020-08-14 S. Solis-Najera , R. Martin , F. Vazquez , O. Marrufo , A. O. Rodriguez

Traditional theories of sensorimotor learning posit that animals use sensory error signals to find the optimal motor command in the face of Gaussian sensory and motor noise. However, most such theories cannot explain common behavioral…

Neurons and Cognition · Quantitative Biology 2022-06-08 Baohua Zhou , David Hofmann , Itai Pinkoviezky , Samuel J. Sober , Ilya Nemenman

Drug delivery to the brain is limited by the blood-brain barrier (BBB). We developed a capacitive micromachined ultrasonic transducer (CMUT)-based transcranial focused ultrasound system capable of both delivering therapy via BBB opening and…

To understand Working of Human Brain measurements related to the brain function are required. These measurements should be possibly non-invasive. Brain should be disturbed as less as possible during the measurement. Integration of various…

Emerging Technologies · Computer Science 2015-06-16 Revati Shriram , M. Sundhararajan , Nivedita Daimiwal

This study is focused on measuring the densities of the excited molecular oxygen species, O$_{2}(\text{a}^{1}\Delta_{\text{g}})$ and O$_{2}(\text{b}^{1}\Sigma_{\text{g}}^{+})$, produced in a COST atmospheric pressure plasma jet using a…

Holographic multimode fibre endoscopes have recently shown their ability to unveil and monitor deep brain structures with sub-micrometre resolution, establishing themselves as a minimally-invasive technology with promising applications in…

Blood-volume-pulse (BVP) is a biosignal commonly used in applications for non-invasive affect recognition and wearable technology. However, its predisposition to noise constitutes limitations for its application in real-life settings. This…

Signal Processing · Electrical Eng. & Systems 2023-04-28 Laurits Fromberg , Sneha Das , Line Katrine Harder Clemmensen

Changes in cardiovascular hemodynamics are closely related to the development of aortic regurgitation, a type of valvular heart disease. Metrics derived from blood flows are used to indicate aortic regurgitation onset and evaluate its…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Derek Long , Cameron McMurdo , Edward Ferdian , Charlene A. Mauger , David Marlevi , Alistair A. Young , Martyn P. Nash

In the paper, combined bimodal microscopic visualization of biological objects based on reflection-mode optical and photoacoustic measurements was presented. Gasmicrophone configuration was chosen for the registration of photothermal…

Applied Physics · Physics 2021-11-01 Sergiy Litvinenko , Pavlo Lishchuk , Vladimir Lysenko , Mykola Isaiev

We investigate the leading systematic effects in ro-vibrational spectroscopy of the molecular hydrogen ions H2+ and HD+, in order to assess their potential for the realization of optical clocks that would be sensitive to possible variations…

Atomic Physics · Physics 2017-02-20 Jean-Philippe Karr

The study of rapid changes in brain dynamics and functional connectivity (FC) is of increasing interest in neuroimaging. Brain states departing from normal waking consciousness are expected to be accompanied by alterations in the…

Neurons and Cognition · Quantitative Biology 2014-11-03 Enzo Tagliazucchi , Robin Carhart-Harris , Robert Leech , David Nutt , Dante R. Chialvo

Fast 3D super-resolution imaging is essential for decoding rapidly occurring biological processes. Encoding single molecules to their respective planes enable simultaneous multi-plane super-resolution volume imaging. This saves the…

Biological Physics · Physics 2016-08-04 Partha Pratim Mondal

Polar heavy-atom molecules have been well recognized as promising candidates for precision measurements and tests of fundamental physics. A much slower molecular beam to increase the interaction time should lead to a more sensitive…

Atomic Physics · Physics 2018-04-11 Yanning Yin , Supeng Xu , Meng Xia , Yong Xia , Jianping Yin

Recent optical conductivity measurements reveal the presence of Hubbard excitons in certain Mott insulators. In light of these results, it is important to revisit the dynamics of these materials to account for excitonic correlations. We…

Strongly Correlated Electrons · Physics 2020-09-23 D. J. Lovinger , M. Brahlek , P. Kissin , D. M. Kennes , A. J. Millis , R. Engel-Herbert , R. D. Averitt

Hair cells of the auditory and vestibular systems are capable of detecting sounds that induce sub-nanometer vibrations of the hair bundle, below the stochastic noise levels of the surrounding fluid. Hair bundles of certain species are also…

Neurons and Cognition · Quantitative Biology 2019-05-23 Justin Faber , Dolores Bozovic

In recent years, remarkable advances in photonic computing have highlighted the need for photonic memory, particularly high-speed and coherent random-access memory. Addressing the ongoing challenge of implementing photonic memories is…

Optics · Physics 2025-02-26 Andreas Geilen , Steven Becker , Birgit Stiller

Linear and non-linear measures of heart rate variability (HRV) are widely investigated as non-invasive indicators of health. Stress has a profound impact on heart rate, and different meditation techniques have been found to modulate…

Human-Computer Interaction · Computer Science 2019-10-02 Debanjan Borthakur , Victoria Grace , Paul Batchelor , Harishchandra Dubey , Kunal Mankodiya