The subjects performed daily for nine days from 200 to 250 single movements, namely a rapid dorsal flexion of the foot. Recording of the EMG of antagonist muscles and testing by the single and paired H-reflexes method has revealed three phenomena of learning: greater ratio of electrical activity (EA) of antagonist muscles owing to the enhanced agonist's EA; stronger reciprocal inhibition of the antagonist motoneurone nucleus at the beginning of the movement; enhanced supraspinal "tuning" of the spinal apparatus of the antagonist reciprocal inhibition before the beginning of the movement. It is suggested that the third phenomenon of learning underlies two phenomena.
Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
GPR137-RAB8A activation promotes ovarian cancer development via the Hedgehog pathway.
J Exp Clin Cancer Res
January 2025
Department of Neurosurgery, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Background: Ovarian cancer (OC) progression is one of the commonest cause of female cancer death. While treatments in clinic includes primary surgery and targeted chemotherapy, curative and survival trends in OC have not significantly improved. Thus, further investigation of the mechanisms regarding OC carcinogenesis and discovery of novel targets is of great importance.
View Article and Find Full Text PDFThe process by which neocortical neurons and circuits amplify their response to an unexpected change in stimulus, often referred to as deviance detection (DD), has long been thought to be the product of specialized cell types and/or routing between mesoscopic brain areas. Here, we explore a different theory, whereby DD emerges from local network-level interactions within a neocortical column. We propose that deviance-driven neural dynamics can emerge through interactions between ensembles of neurons that have a fundamental inhibitory motif: competitive inhibition between reciprocally connected ensembles under modulation from feed-forward selective (dis)inhibition.
View Article and Find Full Text PDFThe OnSPN2 from the nipa palm hispid beetle Octodonta nipae is a multipurpose defense tool against proteases from different peptidase families.
Insect Sci
January 2025
State Key Laboratory of Agricultural and Forestry Biosecurity, Fujian Agriculture and Forestry University, Fuzhou, China.
Serpins (serine protease inhibitors) constitute a superfamily of proteins with functional diversity and unusual conformational flexibility. In insects, serpins act as multiple inhibitors, by forming inactive acyl-enzyme complexes, in regulating Spätzles activation, phenoloxidases (POs) activity, and other cytokines. In this study, we present the cloning and characterization of Octodonta nipae serpin2 (OnSPN2), a 415 residues protein homologous to Tenebrio molitor 42Dd-like.
View Article and Find Full Text PDFDifferences in growth, ionomic and antioxidative enzymes system responded to neutral and alkali salt exposure in halophyte Haloxylon ammodendron seedlings.
Plant Physiol Biochem
January 2025
Nanjing Forest Police College, Nanjing, Jiangsu, 210023, PR China.
Soil salinity and alkalinity severely suppress plant growth and crop yields. This study compared the effects of neutral and alkaline salt exposure, both individually and mixed, on metal content and morphophysiological responses in halophyte Haloxylon ammodendron. Our results showed that alkaline salt exposure more considerably inhibited the growth and photosynthesis of H.
View Article and Find Full Text PDFReduced GATA3 expression during breast cancer progression: A potential anchor for pulmonary metastatic deposition.
Pathol Res Pract
January 2025
Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35249, United States. Electronic address:
Estrogen receptor (ER) is a direct and reciprocal target gene for GATA3. Previous studies have shown that higher GATA3 expression in primary breast cancer (BC) is associated with a reduced probability of developing lung metastasis when compared to those with metastatic recurrence to other organs. Further, GATA3 downregulates several genes promoting BC lung metastasis and upregulates genes encoding known inhibitors of lung metastasis.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!