Results 81 to 90 of about 755,208 (308)

Using imagery to solve spatial problems [PDF]

open access: yes, 1998
This report focuses on the use of imagery to solve a range of spatial problems. The research projects reviewed in this report offer some insight into the range of strategies used by solvers of spatial problems and point to relationships between spatial ...
O'Driscoll-Tole, Kim   +2 more
core  

Recognition of complex object-centred spatial configurations in early infancy [PDF]

open access: yes, 2007
In a series of experiments we tested 4- and 8-month-olds' ability to represent the spatial layout of an object across changes in its orientation with respect to egocentric spatial coordinates.
Volein, A.   +12 more
core   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

Comparison of spatial and non-verbal reasoning abilities in veterinarians in the fields of radiology and surgery

open access: yesFrontiers in Veterinary Science
Spatial ability tests measure capacity for mentally understanding and interpreting three-dimensional images. Such skills have been found to be predictive for anatomical learning success and proficiency in human and veterinary medical students ...
Juan Claudio Gutierrez   +1 more
doaj   +1 more source

Effects of representation sequences and spatial ability on students’ scientific understandings about the mechanism of breathing [PDF]

open access: yes, 2014
[[abstract]]The purpose of this study was to investigate the effects of representation sequences and spatial ability on students’ scientific understandings about the mechanism of breathing in human beings.
Wu, H.-K.;Lin, Y. F.;Hsu, Y. S.
core  

Androgen administration to hypogonadal and eugonadal men--effects on measures of sensation seeking, personality and spatial ability [PDF]

open access: yes, 1984
A group of hypogonadal and a group of eugonadal (endocrinologically normal) men complaining of sexual dysfunction were treated with androgens. Psychometric measures of sensation seeking, personality and spatial ability were made before and after ...
O'Carroll, Ronan
core   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

open access: yesFEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa   +2 more
wiley   +1 more source

Influencing Factors of Spatial Ability for Architecture and Interior Design Students: A Fuzzy DEMATEL and Interpretive Structural Model

open access: yesBuildings
Spatial ability is not just a skill but a crucial element for architecture and interior design students, significantly impacting their proficiency in tasks involving 2D drawings, 3D components, and artistic expression.
Dana Khalid Amro, Husameddin Dawoud
doaj   +1 more source

STUDI KOMPARASI PEMBELAJARAN NOVICK DAN GROUP INVESTIGATION TERHADAP KEMAMPUAN SPASIAL SISWA KELAS VIII MATERI GEOMETRI

open access: yesUnnes Journal of Mathematics Education, 2015
Tujuan penelitian ini adalah mengetahui apakah apakah rata-rata kemampuan spasial siswa pada kelas yang menggunakan model pembelajaran Novick lebih baik dari rata-rata kemampuan spasial siswa pada kelas yang menggunakan model pembelajaran Direct ...
Dian Nailis Suroyya, Rochmad Rochmad
doaj   +1 more source

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