Results 21 to 30 of about 191,626 (265)

Petras Vileišis (1851–1926) as the Pioneer in creating Lithuanian “Arithmetic”

open access: yesLietuvos Matematikos Rinkinys, 2009
Petras Vileišis (1851–1926) is one of the most prominent Lithuanian personalities at the end of the 19th c. and the beginning of the 20th c., who was distinguished for his universal activity.
Juozas Banionis
doaj   +1 more source

Preliminary study on internal carotid artery perfusion imaging and clinical application based on digital subtraction angiography

open access: yesChinese Journal of Contemporary Neurology and Neurosurgery, 2022
Background DSA is an irreplaceable diagnostic method for cerebral vascular disease. It is sensitive to intracranial macrovascular disease, but not to distal blood perfusion. In order to quantitatively assess the perfusion area of the feeding artery, this
HU Zhen   +5 more
doaj   +1 more source

Deafness and early language deprivation influence arithmetic performances

open access: yesFrontiers in Human Neuroscience, 2022
It has been consistently reported that deaf individuals experience mathematical difficulties compared to their hearing peers. However, the idea that deafness and early language deprivation might differently affect verbal (i.e., multiplication) vs ...
Margot Buyle, Virginie Crollen
doaj   +1 more source

Partizan subtraction games

open access: yes, 2022
See the abstract in the attached pdf.
Duchêne, Eric   +3 more
openaire   +4 more sources

The Trouble with Cognitive Subtraction [PDF]

open access: yesNeuroImage, 1996
In this paper we present a critique of pure insertion. Pure insertion represents an implicit assumption behind many (but not all) studies that employ cognitive subtraction. The main contention is that pure insertion is not valid in relation to the neuronal instantiation of cognitive processes. Pure insertion asserts that there are no interactions among
Friston, K.   +5 more
openaire   +3 more sources

Endovascular occlusion of vertebro-vertebral arteriovenous fistula using detachable balloons: A case report

open access: yesRadiology Case Reports
Vertebro-vertebral arteriovenous fistula (VV-AVF) is an uncommon vascular disorder characterized by an abnormal direct connection between the extracranial vertebral artery (VA), as well as the first and second branches of subclavian arteries, and the ...
Linh Hoang Duong, MD   +4 more
doaj   +1 more source

Enrichment of an in vivo phage display repertoire by subtraction for easy identification of pathology biomarkers

open access: yesFrontiers in Cellular Neuroscience, 2015
Titre de la communication : Enrichment of an in vivo phage display repertoire by subtraction for the easy identification of biomarkers of pathology. Vargas-Sanchez J.K., Vekris A., Mordelet E., Dubourdieu-Cassagno N., Ottones F., Petry K.G and Boiziau C.
karina Vargas Sanchez   +4 more
doaj   +1 more source

Young children's use of derived fact strategies in addition and subtraction

open access: yesFrontiers in Human Neuroscience, 2014
44 children between 6;0 and 7;11 took part in a study of derived fact strategy use. They were assigned to addition and subtraction levels on the basis of calculation pretests.
Ann eDowker
doaj   +1 more source

Learning Scenario to Promote Comprehension of the Meaning of Subtraction

open access: yesEducation Sciences, 2021
The integration of virtual manipulatives in classroom practices facilitates student learning processes. For this, the teacher must understand how to support students in establishing mathematical connections between the manipulation and their ...
Ricardo Silva   +4 more
doaj   +1 more source

Venous Thromboembolism in Pediatric Bone Sarcoma Patients: A 10‐Year, Single‐Institution Experience Encompassing the COVID‐19 Pandemic

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Osteosarcoma (OS) and Ewing sarcoma (EWS) are the most common primary bone cancers in children, but acute thrombosis is poorly characterized in this population. Our study evaluated the rates of venous thromboembolism (VTE) and associated risk factors in pediatric patients with bone sarcomas treated over a 10‐year period encompassing
Sarah Kappa   +8 more
wiley   +1 more source

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