Visualizing a task performer's gaze to foster observers' performance and learning—a systematic literature review on eye movement modeling examples
Eye movement modeling examples (EMMEs) are instructional videos (eg, tutorials) that
visualize another person's gaze location while they demonstrate how to perform a task. This …
visualize another person's gaze location while they demonstrate how to perform a task. This …
Multifractal test for nonlinearity of interactions across scales in time series
DG Kelty-Stephen, E Lane, L Bloomfield… - Behavior Research …, 2023 - Springer
The creativity and emergence of biological and psychological behavior tend to be nonlinear,
and correspondingly, biological and psychological measures contain degrees of irregularity …
and correspondingly, biological and psychological measures contain degrees of irregularity …
Temporal organization of stride-to-stride variations contradicts predictive models for sensorimotor control of footfalls during walking
M Mangalam, DG Kelty-Stephen, JH Sommerfeld… - Plos one, 2023 - journals.plos.org
Walking exhibits stride-to-stride variations. Given ongoing perturbations, these variations
critically support continuous adaptations between the goal-directed organism and its …
critically support continuous adaptations between the goal-directed organism and its …
Multifractal descriptors ergodically characterize non-ergodic multiplicative cascade processes
DG Kelty-Stephen, M Mangalam - Physica A: Statistical Mechanics and its …, 2023 - Elsevier
Biological and psychological processes routinely break ergodicity, meaning they fail to have
stable means (M ean) and independent variation over time that we might find in additive …
stable means (M ean) and independent variation over time that we might find in additive …
Ergodic characterization of nonergodic anomalous diffusion processes
Anomalous diffusion in various complex systems abounds in nature and spans multiple
space and time scales. Canonical characterization techniques that rely upon mean squared …
space and time scales. Canonical characterization techniques that rely upon mean squared …
Turing's cascade instability supports the coordination of the mind, brain, and behavior
DG Kelty-Stephen, M Mangalam - Neuroscience & Biobehavioral Reviews, 2022 - Elsevier
Turing inspired a computer metaphor of the mind and brain that has been handy and has
spawned decades of empirical investigation, but he did much more and offered behavioral …
spawned decades of empirical investigation, but he did much more and offered behavioral …
Multifractal roots of suprapostural dexterity
DG Kelty-Stephen, IC Lee, NS Carver… - Human Movement …, 2021 - Elsevier
Visually guided postural control emerges in response to task constraints. Task constraints
generate physiological fluctuations that foster the exploration of available sensory …
generate physiological fluctuations that foster the exploration of available sensory …
Fractal and multifractal descriptors restore ergodicity broken by non-Gaussianity in time series
DG Kelty-Stephen, M Mangalam - Chaos, Solitons & Fractals, 2022 - Elsevier
Ergodicity breaking is a challenge for biological and psychological sciences. Ergodicity is a
necessary condition for linear causal modeling. Long-range correlations and non …
necessary condition for linear causal modeling. Long-range correlations and non …
Multifractal nonlinearity moderates feedforward and feedback responses to suprapostural perturbations
DG Kelty-Stephen, J Lee, KR Cole… - … and motor skills, 2023 - journals.sagepub.com
An adaptive response to unexpected perturbations requires near-term and long-term
adjustments over time. We used multifractal analysis to test how nonlinear interactions …
adjustments over time. We used multifractal analysis to test how nonlinear interactions …
Machine-learning classification with additivity and diverse multifractal pathways in multiplicativity
Evidence of multifractal structures has spread to a wider set of physiological time series
supporting the intricate interplay of biological and psychological functioning. These …
supporting the intricate interplay of biological and psychological functioning. These …