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Publication
ID31980529Published Date2020-02-11JournalProceedings of the National Academy of Sciences of the United States of America, 2020-02-11, Volume 117
Cognitive abilities can vary dramatically among species. The relative importance of social and ecological challenges in shaping cognitive evolution has been the subject of a long-running and recently renewed debate, but little work has sought to understand the selective dynamics underlying the evolution of cognitive abilities. Here, we investigate recent selection related to cognition in the paper wasp -a wasp that has uniquely evolved visual individual recognition abilities. We generate high…
Publication
ID31989951Published Date2020-02-01JournalHuman movement science, 2020-02-01, Volume 69
Impairment of anticipatory postural adjustments (APAs) is an important source of postural instability in older adults and individuals with neurological disorders. The aim of the study was to investigate whether APAs could be improved in people with stroke as a result of targeted exercise involving their unaffected upper extremity. Nine individuals with stroke and five healthy control individuals participated in the laboratory tests before and after a single session of practice consisting of p…
Publication
ID31865426Published Date2020-02-01JournalEuropean journal of applied physiology, 2020-02-01, Volume 120
The purpose of the study was to investigate the role of training in improvement of balance control in older adults with mild cognitive impairment.Older adults (mean age 78) with mild cognitive impairment (MCI) and cognitively intact older adults (mean age 72) were exposed to self-initiated perturbations while performing bilateral shoulder flexion task before and after a single training session consisting of throwing a medicine ball. EMG activity of six trunk and lower limb muscles was recorde…
Research Grant
Project Number5R01AG056384-03Funding AgencyNational Institutes of HealthEffective Date2020-02-01Expiration Date2021-01-31Funding Amount$463,979
Project Summary/ Abstract The ability to locate and travel successfully to a destination, known as wayfinding, is a significant problem for older adults with cognitive disorders. Relocating to a new residence such as independent or assisted living is a time in which older adults with cognitive problems are most vulnerable to experiencing difficulties finding their way. Often these long term care communities are not designed to facilitate wayfinding as they are complex, confusing, and lack dis…
Publication
ID31972027Published Date2020-01-23JournalPhysical therapy, 2020-01-23, Volume 100
The American Physical Therapy Association (APTA), in conjunction with the Cardiovascular and Pulmonary Section of APTA, have commissioned the development of this clinical practice guideline to assist physical therapists in their clinical decision making when managing patients with heart failure. Physical therapists treat patients with varying degrees of impairments and limitations in activity and participation associated with heart failure pathology across the continuum of care. This document…
Publication
ID31957683Published Date2020-01-17JournalMarine pollution bulletin, 2020-01-17, Volume 152
A total of 7563 anthropogenic litter (AL) items, grouped into twelve different typologies, were collected along 25 beaches located on the central Caribbean coast of Colombia. The average AL abundance was 6.05 items/m, plastic items being the most common reaching a total percentage of 88.9% with an average density of 5.38 items/m. Application of 3 evaluation indices, based on the AL data, placed most of the beaches into the status of unacceptable conditions of cleanness (Dirty to Extremely Dir…
Publication
IDarXiv:2001.03522Published Date2020-01-10JournalAstroparticle Physics, 2020-01-10, Volume 2020
With 8 hours of observations, VERITAS confirms the detection of two very high energy gamma-ray sources. The gamma-ray binary LS 5039 is detected with a statistical significance of $8.8\sigma$. The measured flux above 1 TeV is $(2.5 \pm 0.4) \times 10^{-12} \rm \, cm^{-2} \, s^{-1}$ near inferior conjunction and $(7.8 \pm 2.8) \times 10^{-13} \rm \, cm^{-2} \, s^{-1}$ near superior conjunction. The pulsar wind nebula HESS J1825-137 is detected with a statistical significance of $6.7\sigma$ and…
Publication
ID31936557Published Date2020-01-09JournalMolecules (Basel, Switzerland), 2020-01-09, Volume 25
Synthesis of new chromium(II) complexes with chelating bis(alkoxide) ligand [OO] (H[OO] = [1,1':4',1''-terphenyl]-2,2''-diylbis(diphenylmethanol)) and their subsequent reactivity in the context of catalytic production of carbodiimides from azides and isocyanides are described. Two different Cr(II) complexes are obtained, as a function of the crystallization solvent: mononuclear Cr[OO](THF) (in toluene/THF, THF = tetrahydrofuran) and dinuclear Cr([OO]) (in CHCl/THF). The electronic structure a…
Publication
ID31912540Published Date2020-01-07JournalMagnetic resonance in chemistry : MRC, 2020-01-07
The structure and rotational barrier for the mesityl-silicon bond of 2,2-dimesityl-1,1,1,3,3,3-hexamethyltrisilane have been investigated by H- and C-variable temperature nuclear magnetic resonance (NMR) as well as by density functional theory structural calculations. The calculations show that the lowest energy structure has C symmetry with nonequivalent ortho methyl groups, consistent with the crystal structure and solution NMR. The nonequivalent ortho methyl groups exchange through a C tra…
Publication
IDDOI:10.1139/cjc-2019-0291Published Date2020-01-01JournalCanadian Journal of Chemistry, 2020-01-01, Volume 98
Formative assessment is critical in providing students the opportunity to self-assess their content knowledge and providing data to inform instructional decisions. It also provides students with information about course expectations. If, as called for in numerous science instruction reform efforts, we expect students to be able to apply their chemistry knowledge to analyze data and construct coherent explanations, then not only must summative assessments include items that require this of stu…
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Research Grants: 164
Publications: 1,949
Patents: 10
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