Results 41 to 50 of about 2,079,774 (295)

Condition-Dependent Neural Dimensions Progressively Shift during Reach to Grasp

open access: yesCell Reports, 2018
Summary: Neural population space analysis was performed to assess the dimensionality and dynamics of the neural population in the primary motor cortex (M1) during a reach-grasp-manipulation task in which both the reach location and the object being ...
Adam G. Rouse, Marc H. Schieber
doaj   +1 more source

Systematic study of carrier correlations in the electron-hole recombination dynamics of quantum dots [PDF]

open access: yes, 2007
The ground state carrier dynamics in self-assembled (In,Ga)As/GaAs quantum dots has been studied using time-resolved photoluminescence and transmission. By varying the dot design with respect to confinement and doping, the dynamics is shown to follow in ...
A. D. Wieck   +12 more
core   +1 more source

How long do Red Queen dynamics survive under genetic drift? A comparative analysis of evolutionary and eco-evolutionary models

open access: yesBMC Evolutionary Biology, 2020
Background Red Queen dynamics are defined as long term co-evolutionary dynamics, often with oscillations of genotype abundances driven by fluctuating selection in host-parasite systems.
Hanna Schenk   +2 more
doaj   +1 more source

Microgastrinae (Hymenoptera: Braconidae) parasitizing Epirrita autumnata (Lepidoptera: Geometridae) larvae in Fennoscandia with description of Cotesia autumnatae Shaw, sp. n. [PDF]

open access: yes, 2013
The microgastrine subset of hymenopteran parasitoids of the geometrid Epirrita autumnata is investigated in Fennoscandia. Ecology, including population dynamics, of the moth has been intensively studied in northern and mountainous Finland, Norway and ...
Klemola, T   +6 more
core   +2 more sources

Chimera dynamics of generalized Kuramoto–Sakaguchi oscillators in two-population networks

open access: yesJournal of Physics A: Mathematical and Theoretical, 2023
Abstract Chimera dynamics, an intriguing phenomenon of coupled oscillators, is characterized by the coexistence of coherence and incoherence, arising from a symmetry-breaking mechanism. Extensive research has been performed in various systems, focusing on a system of Kuramoto–Sakaguchi (KS) phase oscillators.
Seungjae Lee, Katharina Krischer
openaire   +2 more sources

Linguistic dynamics: women versus general population in Reddit ADHD discussions

open access: yesAcademia Mental Health & Well-Being
Understanding how language reflects the experiences of individuals with attention-deficit/hyperactivity disorder (ADHD) is important for developing targeted support strategies.
Muhammad Mahbubur Rahman
doaj   +1 more source

A General Discrete Time Model of Population Dynamics in the Presence of an Infection

open access: yesDiscrete Dynamics in Nature and Society, 2009
We present a set of difference equations which generalizes that proposed in the work of G. Izzo and A. Vecchio (2007) and represents the discrete counterpart of a larger class of continuous model concerning the dynamics of an infection in an organism or ...
Giuseppe Izzo   +2 more
doaj   +1 more source

Continuous Monocyclic and Polycyclic Age Structured Models of Population Dynamics

open access: yesCommunication in Biomathematical Sciences, 2019
This paper focuses on the study of continuous age-structured models, or more general, physiologically structured models, which used for detailed and accurate study of population dynamics in many ecological, biological applications and medicine.
Vitalii V Akimenko
doaj   +1 more source

The Molecular Epidemiology and Transmission Dynamics of HIV Type 1 in a General Population Cohort in Uganda

open access: yesViruses, 2020
The General Population Cohort (GPC) in south-western Uganda has a low HIV-1 incidence rate (25 years (aOR = 1.52; 95% CI, 1.16–2.0) and being a resident in the GPC (aOR = 6.90; 95% CI, 5.22–9.21).
Deogratius Ssemwanga   +12 more
doaj   +1 more source

Dynamics of coupled spins in the white- and quantum-noise regime

open access: yes, 2009
We study the dynamics of dissipative spins for general spin-spin coupling. We investigate the population dynamics and relaxation of the purity in the white noise regime, in which exact results are available.
Blum   +12 more
core   +1 more source

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