Allison Harris
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Whole brain fluorescence imaging in <i>Drosophila</i> reveals spreading depression and its initiation, propagation, and resilience dynamics Open
Spreading depression (SD) is a wave of neuronal hyperactivity followed by depolarization block that propagates through large brain regions and is associated with disorders such as migraine, stroke, and brain injury. The mechanisms that ini…
A distorted-wave approach to the elastic scattering of twisted electrons Open
The elastic scattering of spinless vortex electrons on realistic target atoms has been investigated. In particular, expressions are derived in different approximations for the angular distribution of elastically scattered electrons. We dev…
A distorted-wave approach to the elastic scattering of twisted electrons Open
The elastic scattering of spinless vortex electrons on realistic target atoms has been investigated. In particular, expressions are derived in different approximations for the elastic angular-differential cross sections. We develop a disto…
Intensive Interdisciplinary Rehabilitation in the Pediatric Hematology/Oncology Setting: Feasibility and Perceived Benefit of the Acute Neurological Injury Service Open
(1) Background: Intensive interdisciplinary rehabilitation services more effectively promote recovery from acquired brain injury than a single discipline approach. However, research literature is lacking regarding the perceived feasibility…
Spectral phase pulse shaping reduces ground state depletion in high-order harmonic generation Open
High-order harmonic generation (HHG) has become an indispensable process for generating attosecond pulse trains and single attosecond pulses used in the observation of nuclear and electronic motion. As such, improved control of the HHG pro…
A data-driven machine learning approach for electron-molecule ionization cross sections Open
Despite their importance in a wide variety of applications, the estimation of ionization cross sections for large molecules continues to present challenges for both experiment and theory. Machine learning (ML) algorithms have been shown to…
6 Feasibility and Perceived Benefit of an Interdisciplinary Rehabilitation Approach within a Tertiary Pediatric Hematology/Oncology Setting Open
Objective: Medulloblastoma is the most common pediatric malignant brain tumor. Approximately 29% of medulloblastoma patients experience postoperative posterior fossa syndrome (PFS) characterized by impairments in speech, motor, and mood. A…
Controlling electron projectile coherence effects using twisted electrons Open
In traditional scattering theory, the incident projectile is assumed to have an infinite coherence length. However, over the last decade, experimental and theoretical studies of collisions using heavy ion projectiles have shown that this a…
Projectile Coherence Effects in Twisted Electron Ionization of Helium Open
Over the last decade, it has become clear that for heavy ion projectiles, the projectile’s transverse coherence length must be considered in theoretical models. While traditional scattering theory often assumes that the projectile has an i…
Echoes Open
NEXT ARTICLEAbstracts from the 53rd Annual Scientific Meeting of the British Medical Ultrasound Society, 6–8 December 2022, City Hall, Cardiff, UK
The dynamic range of voltage-dependent gap junction signaling is maintained by <i>I</i> <sub>h</sub> -induced membrane potential depolarization Open
Electrical synapses and voltage-gated ionic currents are often studied independently from one another, despite mounting evidence that their interactions can alter synaptic behavior. We show that the hyperpolarization-activated inward ionic…
The dynamic range of voltage-dependent gap junction signaling is maintained by I <sub>h</sub> -induced membrane potential depolarization Open
Like their chemical counterparts, electrical synapses show complex dynamics such as rectification and voltage dependence that interact with other electrical processes in neurons. The consequences arising from these interactions for the ele…
Electron spectra for twisted electron collisions Open
Ionization collisions have important consequences in many physical phenomena, and the mechanism that leads to ionization is not universal. Double differential cross sections (DDCSs) are often used to identify ionization mechanisms because …
Single and double scattering mechanisms in ionization of helium by electron vortex projectiles Open
Triple differential cross sections (TDCSs) for electron vortex projectile ionization of helium into the azimuthal plane are calculated using the distorted wave Born approximation. In this collision geometry, the TDCSs at low and intermedia…
Interneuronal dynamics facilitate the initiation of cortical spreading depression Open
Cortical spreading depression (CSD) is thought to precede migraine attacks with aura and is characterized by a slowly traveling wave of inactivity through cortical pyramidal cells. During CSD, pyramidal cells experience hyperexcitation wit…
Echoes Open
NEXT ARTICLEAbstracts from the 51st Annual Scientific Meeting of the British Medical Ultrasound Society, 10–12 December 2019, Harrogate Convention Centre, Harrogate, UK
Frozen Core Approximation and Nuclear Screening Effects in Single Electron Capture Collisions Open
Differential cross sections (DCS) for single electron capture from helium by heavy ion impact are calculated using a frozen core 3-body model and an active electron 4-body model within the first Born approximation. DCS are presented for H+…
Quantum mechanical potentials and inactive electron effects in charge exchange collisions Open
Scattering angle differential cross sections for the He+ + He single electron\ncapture process are studied using plane wave Born approximation models for\nprojectile energies between 30 keV and 1.89 MeV. Within this simplistic\nframework, …
Recovery Time of Matter Airy Beams using the Path Integral Quantum Trajectory Model Open
The Path Integral Quantum Trajectory (PIQTr) model is introduced as a new computational tool for the study of non-relativistic, quantum mechanical wave packets. We introduce the numerical algorithm and show that one of the primary advantag…