Original ResearchPublished 7 October 2026Complexity of plantar flexor torque and gait covaries in older adults: a network physiology approach to neuromuscular agingPhilipp Bauer · João S. Gomes · Tiago Marques · Sandrina Lourenço · João H. Oliveira · Jamie Tallent · Nelson Cortes · João R. VazFrontiers in Network Physiologydoi 10.3389/fnetp.2026.1947848
Original ResearchPublished 5 October 2026A feature-optimized EEG framework using multiscale entropy and metaheuristic optimization for cognitive analysisKeerthika N. · Kiruthika V.Frontiers in Artificial Intelligencedoi 10.3389/frai.2026.1888234
Original ResearchPublished 2 October 2026Physiological activation regimes reveal distinct autonomic mechanisms underlying operational performance under cognitive workload and stressLudovica Di Pompeo · Michele Tritto · Francesco Romano · David Perpetuni · Daniela Cardone · Arcangelo MerlaFrontiers in Neuroergonomicsdoi 10.3389/fnrgo.2026.1946611
Original ResearchPublished 2 October 2026Longitudinal changes in resting-state EEG eyes-closed/open delta differentiation during an Antarctic expeditionWeiting Yang · Haoxin Tian · Guangming Xie · Ying Xu · Qinwen Wang · You Yin · Wuchao Liu · Yanyan JiangFrontiers in Neurosciencedoi 10.3389/fnins.2026.1944325
Original ResearchPublished 9 September 2026EEG correlates of sleep stages, sleep discrepancy, and insomnia: a comparative analysis of people with insomnia and healthy sleepers using spectral power and sample entropyJoseph T. LeCheminant · Daniel B. Kay · Brent Feland · Chongming Yang · Jonathan BlotterFrontiers in Sleepdoi 10.3389/frsle.2026.1882890
Original ResearchPublished 29 May 2026Continuous bidirectional coupling of heart rate variability and emotions in dyad speaker-listener dynamics reveals unique interpersonal synchronizationMohanad Alkhodari · Ioannis Ziogas · Jaskeerat Singh · Paolo Grigolini · Glenn W. Muschert · Fedor Kusmartsev · Herbert F. JelinekFrontiers in Systems Neurosciencedoi 10.3389/fnsys.2026.1802891
Complex SystemsPublished 9 April 2024Experimental estimation of sample entropy in a semiconductor laser with optical feedback for random number generationTomohiko Okuma · Kazutaka Kanno · Atsushi UchidaFrontiers in Complex Systemsdoi 10.3389/fcpxs.2024.1379464
