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471 results for “Proprioception”
Proprioceptive limit detectors mediate sensorimotor control of the Drosophila leg
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Data from: Selective presynaptic inhibition of leg proprioception in behaving <em>Drosophila</em>
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Central processing of leg proprioception in Drosophila: Physiology and behavior data
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Data from: Muscle force-length dynamics during walking over obstacles indicates delayed recovery and a shift towards more strut-like function in birds with proprioceptive deficit
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Data from: Tuning of feedforward control enables stable muscle force-length dynamics after loss of autogenic proprioceptive feedback
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Kinematics and EMG to show integration of proprioceptive and visual feedback during online control of reaching
<p>Visual and proprioceptive feedback both contribute to optimal perceptual decisions, but it remains unknown how these feedback signals are integrated together or consider factors such as delays and variance during online control. We investigated this question by having participants reach to a target with randomly applied mechanical and/or visual disturbances. We observed that the presence of visual feedback during a mechanical disturbance did not increase the size of the muscle response significantly but did decrease variance, consistent with a dynamic Bayesian integration model (Experiment 1). In a control experiment we verified that vision had a potent influence when mechanical and visual disturbances were both present but opposite in sign (Experiment 2). These results highlight a complex process for multi-sensory integration, where visual feedback has a relatively modest influence when the limb is mechanically disturbed, but a substantial influence when visual feedback becomes misaligned with the limb. The dataset contains hand kinematics and EMG data recorded during each experiment, and information of visual/mechanical disturbances that were applied during the experiments.</p>
The effect of proprioception training on knee kinematics after anterior cruciate ligament reconstruction
<p><span><b>Background</b> Proprioception is essential for the normal movement of joint knees. The degree of functional recovery after ACL reconstruction is related with the degree of postoperative recovery of proprioception. The current study aimed to investigate the effect of proprioception training on functional level of activity and knee kinematics after anterior cruciate ligament reconstruction.</span></p> <p><span><b>Methods</b> Forty patients who underwent ACL reconstruction between January 2017 and June 2019 were included. The patients were divided into proprioception group (n=20) and control group (n=20). All the patients followed common postoperative rehabilitation program. The proprioception group were given proprioception enhancement program besides common postoperative rehabilitation program. All the patients were assessed preoperatively, 6 months and 1 year after operation. The lymsolm scores, hop distances, and knee kinematics during unanticipated jump–cut maneuver were compared at different follow-up time points.</span></p> <p><span><b>Results</b> There were no significant differences preoperative and postoperative Lysholm scores between two groups. After surgery, the proprioception group showed significantly higher hop distance (133.9 ± 26.2 cm) when compared with the control group (81.2 ± 17.2 cm, P=0.026) in 6-months and one-year follow-up (153.1 ± 19.3 vs 105.8 ± 20.7cm, P=0.034). For knee joint kinematics, the proprioception training group showed reduced knee abduction (valgus) angles and external rotations, and increased knee flexion when compared with the common training group.</span></p> <p><span><b>Conclusions</b> We conclude that proprioceptive rehabilitation training enhance the kinematic performance and single leg hop distance in ACL-reconstructed populations during jump-stop, unanticipated cut maneuver. The findings will be scientific evidences to help clinicians and physiotherapists to evaluate the patients' readiness for exercises and sports, especially in the cases of loading and extreme rotation conditions.</span></p>
Data for: Recovery of locomotion after injury in Drosophila melanogaster depends on proprioception
<p>Data and code for the publication Recovery of locomotion after injury in Drosophila melanogaster depends on proprioception in press at the Journal of Experimental Biology. See http://http://lab.debivort.org/recovery-of-locomotion-after-injury/ for descriptions of all files.</p>
Functional architecture of neural circuits for leg proprioception in Drosophila
<p class="Default">To effectively control their bodies, animals rely on feedback from proprioceptive mechanosensory neurons. In the <em>Drosophila </em>leg, different proprioceptor subtypes monitor joint position, movement direction, and vibration. Here, we investigate how these diverse sensory signals are integrated by central proprioceptive circuits. We find that signals for leg joint position and directional movement converge in second-order neurons, revealing pathways for local feedback control of leg posture. Distinct populations of second-order neurons integrate tibia vibration signals across pairs of legs, suggesting a role in detecting external substrate vibration. In each pathway, the flow of sensory information is dynamically gated and sculpted by inhibition. Overall, our results reveal parallel pathways for processing of internal and external mechanosensory signals, which we propose mediate feedback control of leg movement and vibration sensing, respectively. The existence of a functional connectivity map also provides a resource for interpreting connectomic reconstruction of neural circuits for leg proprioception.</p>
Exploring the Interaction Between Proprioceptive Sensitivity in the Hip, Knee, and Ankle Joints, Alongside Stability Limits Evaluated Through Computerized Posturography, in Elderly Individuals Afflicted with Fibromyalgia Syndrome.
<p><strong><span>Objectives: </span></strong><span>This study investigates proprioceptive sensitivity and stability limits in patients with Fibromyalgia syndrome (FMS) compared to healthy controls, focusing on joint reposition sense (JRS) and limits of stability (LOS). By delineating differences between the groups, it aims to uncover the proprioceptive deficits that contribute to balance impairments in FM sufferers. Additionally, the study explores correlations between JRS and LOS within the FM group, potentially informing targeted therapeutic strategies to enhance patient outcomes.</span></p> <p><span> </span></p> <p><strong><span>Methods: </span></strong><span>Fifty-four individuals with FM and 54 healthy controls participated in this research. Using precise digital inclinometers, JRS was evaluated at the hip, knee, and ankle joints. LOS was assessed using dynamic posturography with advanced iso-free technology. Various parameters were measured, including reaction time, maximum excursion, and directional control. </span></p> <p><span> </span></p> <p><strong><span>Results:</span></strong><span> Individuals with FM exhibited significant differences in JRS and LOS compared to healthy controls. For JRS errors in the hip, knee, and ankle joints (mean ± SD), the FM group showed 3.2° ± 0.6°, 2.9° ± 0.5°, and 3.5° ± 0.7°, respectively, while the control group exhibited 1.1° ± 0.4°, 1.0° ± 0.3°, and 1.2° ± 0.4°, respectively. In LOS, FM individuals had a reaction time of 1.8 ± 0.3 seconds, maximum excursion of 54.6% ± 6.2%, and directional control of 65.2% ± 5.8%, while healthy controls showed 0.9 ± 0.2 seconds, 72.4% ± 7.1%, and 77.8% ± 6.9%, respectively. </span></p> <p><span> </span></p> <p><strong><span>Conclusions:</span></strong><span> Correlation analysis revealed significant associations between JRS parameters and LOS outcomes within the FMS group, indicating that better proprioception was linked to improved postural stability. These findings have clinical implications for assessing and managing balance impairments in individuals with FMS, potentially contributing to the development of targeted interventions to improve their quality of life.</span></p>
Kinesiophobia on Proprioception and Balance: Mediation by Pain, Mobility, and Psychological Wellbeing following THR
<p>The study analyzed the demographic and clinical characteristics of two groups: 50 total hip replacement (THR) patients and 50 asymptomatic elderly individuals. The THR group had a mean age of 68.43 years, slightly higher than the 67.83 years observed in the asymptomatic group. The THR group had a higher proportion of females (60%) compared to the asymptomatic group (55%). Body Mass Index (BMI) was slightly higher in the THR group, averaging 27.34 kg/m² versus 26.56 kg/m² in the asymptomatic group. The THR patients had experienced symptoms for an average of 12.66 months. Significant differences were observed between the groups in various clinical measures. The THR patients had substantially higher Kinesiophobia (TSK Score: 36.56 ± 5.27) and Pain Intensity (VAS Score: 6.23 ± 1.59) compared to the asymptomatic group (TSK Score: 19.85 ± 4.13, VAS Score: 1.05 ± 0.53). Functional mobility, measured by the Timed Up and Go (TUG) test, was poorer in the THR group (12.54 ± 2.09 seconds) than in the asymptomatic group (10.34 ± 1.54 seconds). Psychological well-being, as assessed by the Hospital Anxiety and Depression Scale (HADS), was also lower in the THR group (8.03 ± 3.23) compared to the asymptomatic group (4.34 ± 2.56).</p> <p>Further analysis using independent samples t-tests revealed significant differences between the groups across all measured characteristics, including Joint Position Sense (JPS) in hip flexion and abduction, and various directions of Limits of Stability (LoS). The THR group exhibited greater impairment in proprioception and LoS, with Cohen's d values indicating large effect sizes, particularly in kinesiophobia, proprioception, and LoS in the forward and right-forward directions. These findings highlight the profound impact of THR on patients' physical and psychological well-being, emphasizing the need for targeted rehabilitation interventions.</p>
Lumbar Proprioception in Patients With Lumbar Spinal Stenosis
ClinicalTrials.gov study NCT05548608. IPD Sharing: NO. Countries: 1. Publications: 4.
Investigation of the Effects of Balance Discs With Different Surfaces Used in Balance Education in Children With Cerebral Palsy on Proprioceptive Sense and Balance.
ClinicalTrials.gov study NCT05676983. IPD Sharing: NO. Countries: 1. Publications: 1.
Respiratory Proprioceptive Neuromuscular Facilitation Technique in Chronic Pulmonary Obstructive Disease Patients.
ClinicalTrials.gov study NCT05876403. IPD Sharing: NO. Countries: 1. Publications: 4.
The Effects Of Instrument Cervical Manual Therapy Methods And Proprioceptive Neuromuscular Facilitation Techniques
ClinicalTrials.gov study NCT05851703. IPD Sharing: Not stated. Countries: 1. Publications: 1.
The Efficacy of Balance and Proprioception Exercises in Patients With Knee Osteoarthritis
ClinicalTrials.gov study NCT05287802. IPD Sharing: NO. Countries: 1. Publications: 5.
Study of the Effect of Kinesio Taping and Proprioceptive Exercise on the Stability of Ankle in Amateur Soccer Players
ClinicalTrials.gov study NCT02863562. IPD Sharing: NO. Countries: 1. Publications: 9.
Modifying Lumbar Flexion Pain Thresholds in Chronic LBP Using Virtual Reality and Visual-Proprioceptive Manipulation
ClinicalTrials.gov study NCT06750887. IPD Sharing: YES. Countries: 1. Publications: 2.
Orthophonic and / or Proprioceptive Treatment of Developmental Dyslexia.
ClinicalTrials.gov study NCT03448237. IPD Sharing: NO. Countries: 1. Publications: 1.
Effect of Proprioceptive Knee Braces on the Performance and Endurance of Recreational Soccer Players Aged 60-80 Years
ClinicalTrials.gov study NCT05716165. IPD Sharing: Not stated. Countries: 1. Publications: 4.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.