Results 151 to 160 of about 195,388 (199)

The Tap-to-Safety Task: A Novel fMRI Paradigm Assessing Repetitive Threat-Neutralization. [PDF]

Hum Brain Mapp
Berg H, Rozniarek R, Robinson A, Kuplicki R, Rostel A, Mungunkhet N, Smith R, Simpson HB, Paulus MP, Aupperle RL.   +9 more
europepmc   +1 more source

Resurveyed Island Vegetation Reveals That Species Colonisation and Extinction Probabilities Are Linked to Traits. [PDF]

Ecol Lett
Schrader J, Coleman D, Zelený D, Kreft H, Westoby M.   +4 more
europepmc   +1 more source

Progress in spatiotemporal regulation of fear memory: neural circuit mechanisms and implications for PTSD. [PDF]

Gen Psychiatr
Xu R, Shi D, Wang K, Yang Q, Cao P, Wang Z.   +5 more
europepmc   +1 more source

Prefrontal gamma oscillations and fear extinction learning require early postnatal interneuron-oligodendroglia communication. [PDF]

Nat Commun
Plaisier F, Ibaceta-González C, Khelfaoui H, Watson AES, Poilbout C, Voronova A, Angulo MC.   +6 more
europepmc   +1 more source

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Selecting for extinction: nonrandom disease‐associated extinction homogenizes amphibian biotas

Ecology Letters, 2009
AbstractStudying the patterns in which local extinctions occur is critical to understanding how extinctions affect biodiversity at local, regional and global spatial scales. To understand the importance of patterns of extinction at a regional spatial scale, we use data from extirpations associated with a widespread pathogenic agent of amphibian decline,
Smith, Kevin G., Lips, Karen R., Chase, Jonathan M.   +2 more
openaire   +3 more sources

Selectivity of End-Cretaceous Marine Bivalve Extinctions

Science, 1995
Analyses of the end-Cretaceous or Cretaceous-Tertiary mass extinction show no selectivity of marine bivalve genera by life position (burrowing versus exposed), body size, bathymetric position on the continental shelf, or relative breadth of bathymetric range.
D, Jablonski, D M, Raup
openaire   +2 more sources

Biological Selectivity of Extinction: A Link between Background and Mass Extinction

PALAIOS, 1986
The phenomenon of non-random or selective survival across major extinction boundaries in the geologic past is poorly understood but increasingly recognized as a critical area for future research. A current hypothesis, developedfrom a comparison of extinction patterns among Late Cretaceous molluscs, is that biological adaptations of organisms effectual ...
Jennifer A. Kitchell, David L. Clark, Andrew M. Gombos   +2 more
openaire   +1 more source

Models for Eco-Evolutionary Extinction Vortices under Balancing Selection

The American Naturalist, 2021
AbstractThe smaller a population is, the faster it loses genetic diversity as a result of genetic drift. Loss of genetic diversity can reduce population growth rate, making populations even smaller and more vulnerable to loss of genetic diversity. Ultimately, the population can be driven to extinction by this "eco-evolutionary extinction vortex." While
Nabutanyi, Peter, Wittmann, Meike
openaire   +2 more sources

Patchy structure and selective extinction

Astrophysics and Space Science, 1985
In 1934 Bok argued that the observed phenomenon of clustering of galaxies could not be caused by intergalactic dust matter distributed like the interstellar clouds of dust in the Milky Way. Bok considered background clusters between foreground clusters of galaxies, while Zwicky investigated distant concentrations of galaxies through foreground clusters.
openaire   +1 more source