Results 21 to 30 of about 9,329,062 (313)

Long-term stability of cortical population dynamics underlying consistent behavior

open access: yesNature Neuroscience, 2019
Animals readily execute learned behaviors in a consistent manner over long periods of time, and yet no equally stable neural correlate has been demonstrated. How does the cortex achieve this stable control?
J. A. Gallego   +4 more
semanticscholar   +1 more source

Thirst regulates motivated behavior through modulation of brainwide neural population dynamics

open access: yesScience, 2019
Neuron activity across the brain How is it that groups of neurons dispersed through the brain interact to generate complex behaviors? Three papers in this issue present brain-scale studies of neuronal activity and dynamics (see the Perspective by Huk and
William E. Allen   +6 more
semanticscholar   +1 more source

More frequent extreme climate events stabilize reindeer population dynamics

open access: yesNature Communications, 2019
Extreme climate events often cause population crashes but are difficult to account for in population-dynamic studies. Especially in long-lived animals, density dependence and demography may induce lagged impacts of perturbations on population growth.
B. Hansen   +10 more
semanticscholar   +1 more source

Tetranychus evansi spider mite populations suppress tomato defenses to varying degrees

open access: yesEcology and Evolution, 2020
Plant defense suppression is an offensive strategy of herbivores, in which they manipulate plant physiological processes to increase their performance. Paradoxically, defense suppression does not always benefit the defense‐suppressing herbivores, because
Bram Knegt   +4 more
doaj   +1 more source

Why Do Herbivorous Mites Suppress Plant Defenses?

open access: yesFrontiers in Plant Science, 2018
Plants have evolved numerous defensive traits that enable them to resist herbivores. In turn, this resistance has selected for herbivores that can cope with defenses by either avoiding, resisting or suppressing them. Several species of herbivorous mites,
C. Joséphine H. Blaazer   +6 more
doaj   +1 more source

Different population dynamics in the supplementary motor area and motor cortex during reaching

open access: yesNature Communications, 2018
Neural populations perform computations through their collective activity. Different computations likely require different population-level dynamics. We leverage this assumption to examine neural responses recorded from the supplementary motor area (SMA)
Antonio H. Lara   +2 more
semanticscholar   +1 more source

Modeling Best Practice Life Expectancy Using Gumbel Autoregressive Models

open access: yesRisks, 2021
Best practice life expectancy has recently been modeled using extreme value theory. In this paper we present the Gumbel autoregressive model of order one—Gumbel AR(1)—as an option for modeling best practice life expectancy. This class of model represents
Anthony Medford
doaj   +1 more source

Modeling cell population dynamics

open access: yesSilico Biol., 2018
Quantitative modeling is quickly becoming an integral part of biology, due to the ability of mathematical models and computer simulations to generate insights and predict the behavior of living systems.
Daniel A. Charlebois, G. Balázsi
semanticscholar   +1 more source

Inequalities in lifespan and mortality risk in the US, 2015–2019: a cross-sectional analysis of subpopulations by social determinants of health

open access: yesBMJ Open
Objective To quantify inequalities in lifespan across multiple social determinants of health, how they act in tandem with one another, and to create a scoring system that can accurately identify subgroups of the population at high risk of mortality ...
Marie-Pier Bergeron-Boucher   +3 more
doaj   +1 more source

Understanding Health Deterioration and the Dynamic Relationship between Physical Ability and Cognition among a Cohort of Danish Nonagenarians

open access: yesJournal of Aging Research, 2020
This study aims to determine how demographics, socioeconomic characteristics, and lifestyle affect physical and cognitive health transitions among nonagenarians, whether these transitions follow the same patterns, and how each dimension affects the ...
Cosmo Strozza   +2 more
doaj   +1 more source

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