Big-data approaches lead to an increased understanding of the ecology of animal movement

R Nathan, CT Monk, R Arlinghaus, T Adam, J Alós… - Science, 2022 - science.org
Understanding animal movement is essential to elucidate how animals interact, survive, and
thrive in a changing world. Recent technological advances in data collection and …

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 …

Time averaging and emerging nonergodicity upon resetting of fractional Brownian motion and heterogeneous diffusion processes

W Wang, AG Cherstvy, H Kantz, R Metzler, IM Sokolov - Physical Review E, 2021 - APS
How different are the results of constant-rate resetting of anomalous-diffusion processes in
terms of their ensemble-averaged versus time-averaged mean-squared displacements …

Squaring the circle: From latent variables to theory-based measurement

M Borgstede, F Eggert - Theory & Psychology, 2023 - journals.sagepub.com
Psychometrics builds on the fundamental premise that psychological attributes are
unobservable and need to be inferred from observable behavior. Consequently …

[HTML][HTML] Group-level analysis of engagement poorly reflects individual students' processes: Why we need idiographic learning analytics

M Saqr - Computers in Human Behavior, 2024 - Elsevier
A central assumption of the scientific method is that inferences derived from group-level
analysis align with and generalize to the individual level. This study was conducted to put …

Anomalous diffusion, nonergodicity, non-Gaussianity, and aging of fractional Brownian motion with nonlinear clocks

Y Liang, W Wang, R Metzler, AG Cherstvy - Physical Review E, 2023 - APS
How do nonlinear clocks in time and/or space affect the fundamental properties of a
stochastic process? Specifically, how precisely may ergodic processes such as fractional …

Time-averaging and nonergodicity of reset geometric Brownian motion with drift

D Vinod, AG Cherstvy, R Metzler, IM Sokolov - Physical Review E, 2022 - APS
How do near-bankruptcy events in the past affect the dynamics of stock-market prices in the
future? Specifically, what are the long-time properties of a time-local exponential growth of …

Unravelling the origins of anomalous diffusion: from molecules to migrating storks

O Vilk, E Aghion, T Avgar, C Beta, O Nagel, A Sabri… - Physical Review …, 2022 - APS
Anomalous diffusion or, more generally, anomalous transport, with nonlinear dependence of
the mean-squared displacement on the measurement time, is ubiquitous in nature. It has …

Multifractal foundations of biomarker discovery for heart disease and stroke

M Mangalam, A Sadri, J Hayano, E Watanabe… - Scientific reports, 2023 - nature.com
Any reliable biomarker has to be specific, generalizable, and reproducible across
individuals and contexts. The exact values of such a biomarker must represent similar health …

Interoception as modeling, allostasis as control

E Sennesh, J Theriault, D Brooks, JW van de Meent… - Biological …, 2022 - Elsevier
The brain regulates the body by anticipating its needs and attempting to meet them before
they arise–a process called allostasis. Allostasis requires a model of the changing sensory …