Results 101 to 110 of about 23,313 (278)

A detailed redescription of a skeletally immature ‘Redondasaurus’ suggests ontogenetic transformations in the taxon mirror phytosaurian morphological evolution

open access: yesThe Anatomical Record, EarlyView.
Abstract The study of morphological evolution is fundamentally tied to ontogeny, yet studies of these heterochronic processes in the fossil record are rare. Fossils belonging to an ontogenetic series are difficult to assign to an ontogenetic stage due to inconsistent proxies for skeletal ages, challenging to taxonomically assign due to morphological ...
Erika R. Goldsmith, Michelle R. Stocker
wiley   +1 more source

One Action System or Two? Evidence for Common Central Preparatory Mechanisms in Voluntary and Stimulus-Driven Actions [PDF]

open access: yes, 2011
Human behavior is comprised of an interaction between intentionally driven actions and reactions to changes in the environment. Existing data are equivocal concerning the question of whether these two action systems are independent, involve different ...
Hughes, G, Schutz-Bosbach, S, Waszak, F
core   +3 more sources

A second species of non‐crocodyliform crocodylomorph from the Late Triassic fissure deposits of southwestern UK: Implications for locomotory ecological diversity in Saltoposuchidae

open access: yesThe Anatomical Record, EarlyView.
Abstract The Late Triassic–Early Jurassic fissures of the Bristol Channel area (southwest England and south Wales) are renowned for their diverse vertebrate faunas. These assemblages have yielded an array of predominantly small‐bodied forms that are crucial to our understanding of the early evolution of several major tetrapod clades.
Ewan H. Bodenham   +4 more
wiley   +1 more source

Peripheral cues and gaze direction jointly focus attention and inhibition of return [PDF]

open access: yes, 2015
Centrally presented gaze cues typically elicit a delayed inhibition of return (IOR) effect compared to peripheral exogenous cues. We investigated whether gaze cues elicit early onset IOR when presented peripherally.
Hudson, Matthew, Skarratt, Paul A.
core   +3 more sources

Promoting engagement in embryology through gamified student‐developed small group sessions

open access: yesAnatomical Sciences Education, EarlyView.
Abstract Learning embryology is often challenging for students as it requires conceptualizing morphological changes to embryologic structures across time. To further complicate the process, while some structures transition to permanent structures, others disappear or degenerate.
Jessica N. Byram   +2 more
wiley   +1 more source

Cognitive control adjustments are dependent on the level of conflict

open access: yesScientific Reports
The congruency sequence effect (CSE) is one of the most investigated effects in the cognitive control literature. The conflict monitoring theory suggests that the CSE is the result of adjustments in cognitive control based on perceived conflict. A recent
Miklos Bognar   +9 more
doaj   +1 more source

On the instability and constraints of the interaction between number representation and spatial attention in healthy humans. A concise review of the literature and new experimental evidence [PDF]

open access: yes, 2016
.The relationship between number and space representation is still one of the most debated topics in studies of mathematical cognition. Here we offer a concise review of two important behavioral effects that have pointed out the use of a spatially left ...
D'Onofrio, Marianna   +4 more
core   +1 more source

Comparative effectiveness and safety of oral anticoagulants in patients with atrial fibrillation using antiarrhythmic drugs: An international cohort study

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Aim Our international cohort study assessed the comparative effectiveness and safety of direct oral anticoagulants (DOACs) and vitamin K antagonists (VKAs) among patients with non‐valvular atrial fibrillation (NVAF) using antiarrhythmic drugs. Methods Using the United Kingdom's (UK's) Clinical Practice Research Datalink Aurum and Québec claims data, we
Fabian Maximilian Meinert   +5 more
wiley   +1 more source

Multisensory Congruency as a Mechanism for Attentional Control over Perceptual Selection [PDF]

open access: yes, 2009
The neural mechanisms underlying attentional selection of competing neural signals for awareness remains an unresolved issue. We studied attentional selection, using perceptually ambiguous stimuli in a novel multisensory paradigm that combined competing ...
Alais, David   +3 more
core   +2 more sources

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