Comparison mechanisms have been implicated in the development of abstract, relational thought, including object categorization. D. Gentner and L. L. Namy (1999) found that comparing 2 perceptually similar category members yielded taxonomic categorization, whereas viewing a single member of the target category elicited shallower perceptual responding. The present experiments tested 2 predictions that follow from Gentner and Namy's (1999) model: (a) Comparison facilitates categorization only when the targets to be compared share relational commonalities, and (b) providing common labels for targets invites comparison, whereas providing conflicting labels deters it. Four-year-olds participated in a forced-choice task. They viewed 2 perceptually similar target objects and were asked to "find another one." Results suggest an important role for comparison in lexical and conceptual development.
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http://dx.doi.org/10.1037//0096-3445.131.1.5 | DOI Listing |
J Biomech
January 2025
School of Exercise and Health, Shanghai University of Sport, Hengren Rd. 200, Yangpu District, Shanghai 200438, China. Electronic address:
This study aims to compare shank, rearfoot and forefoot coordination and its variability between runners with habitual rearfoot strike (RFS) and non-RFS (NRFS). 58 healthy males participated in this study (32 RFS, 26 NRFS). Coordination patterns and variability were assessed for the shank, rearfoot, and forefoot segments using a modified vector coding technique during running.
View Article and Find Full Text PDFNat Prod Res
January 2025
Institute of Chemistry, São Paulo State University (Unesp), Araraquara, Brazil.
(Aristolochiaceae), commonly known as the Brazilian Dutchman's pipe, is cultivated globally as an ornamental vine, admired for the unique shape of its large flowers. In our ongoing research into the chemical composition of , the ethanol extract from its seeds was fractionated using chromatographic techniques, resulting in the isolation and identification of allantoin, along with the lignans kobusin, eudesmin, and methylarctigenin. The fractions were further analysed by NMR and GC - EI/MS, employing a molecular networking approach and retention index comparison, which led to the annotation of four sterols, eleven aliphatic alcohols, one saturated fatty acid, two unsaturated fatty acids, ten esters of saturated fatty acids, ten esters of unsaturated fatty acids, and one lactone.
View Article and Find Full Text PDFAfr J Reprod Health
November 2024
Department of Neonatology, The First Hospital of China Medical University, Shenyang, 110002, Liaoning, China.
This was an original study that mainly explored the effect of probiotic therapy and personalized nursing on immune function in children with acute gastroenteritis. One hundred and twelve (112) children with acute gastroenteritis were selected and divided into an intervention group and a control group. The control group accepted omeprazole enteric-coated capsules and routine nursing.
View Article and Find Full Text PDFOtolaryngol Head Neck Surg
January 2025
Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, Massachusetts, USA.
As qualitative data analysis becomes more frequently applied within the fields of medicine and surgery, it is beneficial to expand our knowledge of the utility, methodology, and interpretation of these techniques. While qualitative research serves a distinct purpose and differs from quantitative research, both can be approached with diligence, with careful techniques that are similarly maintained and respected. In advance of this installment in the Evidence-Based Medicine in Otolaryngology series, we presented a comparison between qualitative and quantitative methods.
View Article and Find Full Text PDFJ Robot Surg
January 2025
The Third Ward of Orthopaedic Department, General Hospital of Ningxia Medical University, 804 Shengli South Street, Hui Autonomous Region, Yinchuan, Ningxia, 750004, People's Republic of China.
The purpose of this study is to assess the safety and effectiveness of TiRobot-assisted treatment for femoral neck fractures, in comparison to traditional freehand treatment methods. Throughout the research process, we conducted an extensive literature search across numerous databases, including PubMed, EMBASE, Cochrane Library, Web of Science, China National Knowledge Infrastructure (CNKI), CQVIP, and Wanfang. Based on the literature screening criteria, we selected six studies, encompassing 358 cases of femoral neck fracture patients, for this meta-analysis.
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