Search Results - "PATAKY, Todd"

Generalized n -dimensional biomechanical field analysis using statistical parametric mapping by Pataky, Todd C

“…Abstract A variety of biomechanical data are sampled from smooth n -dimensional spatiotemporal fields. These data are usually analyzed discretely, by…”
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One-dimensional statistical parametric mapping in Python by Pataky, Todd C.

“…Statistical parametric mapping (SPM) is a topological methodology for detecting field changes in smooth n-dimensional continua. Many classes of biomechanical…”
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Vector field statistical analysis of kinematic and force trajectories by Pataky, Todd C, Robinson, Mark A, Vanrenterghem, Jos

“…Abstract When investigating the dynamics of three-dimensional multi-body biomechanical systems it is often difficult to derive spatiotemporally directed…”
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Zero- vs. one-dimensional, parametric vs. non-parametric, and confidence interval vs. hypothesis testing procedures in one-dimensional biomechanical trajectory analysis by Pataky, Todd C, Vanrenterghem, Jos, Robinson, Mark A

“…Abstract Biomechanical processes are often manifested as one-dimensional (1D) trajectories. It has been shown that 1D confidence intervals (CIs) are biased…”
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rft1d : Smooth One-Dimensional Random Field Upcrossing Probabilities in Python by Pataky, Todd C.

“…Through topological expectations regarding smooth, thresholded n-dimensional Gaussian continua, random field theory (RFT) describes probabilities associated…”
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Trial- vs. cycle-level detrending in the analysis of cyclical biomechanical data by Pataky, Todd C., Rao, Guillaume

“…Biomechanical time series may contain low-frequency trends due to factors like electromechanical drift, attentional drift and fatigue. Existing detrending…”
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Commentary on “Comparing Groups of Time Dependent Data Using Locally Weighted Scatterplot Smoothing Alpha-Adjusted Serial T-tests” by Niiler (2020)” and subsequent letters by Pataky, Todd C.

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The probability of false positives in zero-dimensional analyses of one-dimensional kinematic, force and EMG trajectories by Pataky, Todd C, Vanrenterghem, Jos, Robinson, Mark A

“…Abstract A false positive is the mistake of inferring an effect when none exists, and although α controls the false positive (Type I error) rate in classical…”
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Sample size estimation for biomechanical waveforms: Current practice, recommendations and a comparison to discrete power analysis by Robinson, Mark A., Vanrenterghem, Jos, Pataky, Todd C.

“…Testing a prediction is fundamental to scientific experiments. Where biomechanical experiments involve analysis of 1-Dimensional (waveform) data, sample size…”
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Functional evolution of the feeding system in rodents by Cox, Philip G, Rayfield, Emily J, Fagan, Michael J, Herrel, Anthony, Pataky, Todd C, Jeffery, Nathan

“…The masticatory musculature of rodents has evolved to enable both gnawing at the incisors and chewing at the molars. In particular, the masseter muscle is…”
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Using Monte Carlo Simulation to Propagate Processing Parameter Uncertainty to the Statistical Analyses of Biomechanical Trajectories by Pataky, Todd C

“…Biomechanical trajectories are often routed through a chain of processing steps prior to statistical analysis. As changes in processing parameter values can…”
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Timing of gait events affects whole trajectory analyses: A statistical parametric mapping sensitivity analysis of lower limb biomechanics by Honert, Eric C., Pataky, Todd C.

“…Time continuous analyses, such as statistical parametric mapping (SPM), have been increasingly used in biomechanics research to determine differences between…”
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Confidence sets for intraclass correlation coefficients in test–retest curve measurements by Seydi, Mohammad Reza, Pini, Alessia, Pataky, Todd C., Schelin, Lina

“…Evaluating test–retest reliability is crucial in biomechanical research, as it validates experimental results. While methods for reliability of scalar outcome…”
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A 50-year perspective on human motion analysis by Challis, John H, Pataky, Todd C

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Can a knee sleeve influence ground reaction forces and knee joint power during a step-down hop in participants following anterior cruciate ligament reconstruction? A secondary analysis by Sole, Gisela, Pataky, Todd, Hammer, Niels, Lamb, Peter

“…Elastic knee sleeves are often worn following anterior cruciate ligament (ACL) reconstruction. The study aimed to define immediate and 6-week effects of…”
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Statistical Parametric Mapping (SPM) for alpha-based statistical analyses of multi-muscle EMG time-series by Robinson, Mark A, Vanrenterghem, Jos, Pataky, Todd C

“…Abstract Multi-muscle EMG time-series are highly correlated and time dependent yet traditional statistical analysis of scalars from an EMG time-series fails to…”
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Region-of-interest analyses of one-dimensional biomechanical trajectories: bridging 0D and 1D theory, augmenting statistical power by Pataky, Todd C, Robinson, Mark A, Vanrenterghem, Jos

“…One-dimensional (1D) kinematic, force, and EMG trajectories are often analyzed using zero-dimensional (0D) metrics like local extrema. Recently…”
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On the validity of statistical parametric mapping for nonuniformly and heterogeneously smooth one-dimensional biomechanical data by Pataky, Todd C., Vanrenterghem, Jos, Robinson, Mark A., Liebl, Dominik

“…Nonuniform (non-constant) temporal smoothness can arise in biomechanical processes like impacts, and heterogeneous smoothness (unequal smoothness across…”
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The role of pelvis-thorax coupling in controlling within-golf club swing speed by Lamb, Peter F., Pataky, Todd C.

“…Pelvis-thorax coordination has been recognised to be associated with swing speed. Increasing angular separation between the pelvis and thorax has been thought…”
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Simultaneously assessing amplitude and temporal effects in biomechanical trajectories using nonlinear registration and statistical nonparametric mapping by Pataky, Todd C., Robinson, Mark A., Vanrenterghem, Jos, Donnelly, Cyril J.W.

“…Biomechanical trajectories generally embody amplitude and temporal effects, but these effects are often analyzed separately. Here we demonstrate how…”
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