Bright Days Buffer Nighttime Light: Daytime Illumination Shapes Sex Differences in Sleep and Circadian Regulation

This study demonstrates that daytime light intensity is a critical contextual factor that shapes sex-specific sleep and circadian responses to nighttime light, with brighter illumination buffering against the sleep disruptions and circadian vulnerabilities observed in females under dim daytime conditions.

Wang, Y., Chen, C. T., DeBoer, T. + 3 more2026-02-26📄 animal behavior and cognition

Inhibitory Control, Shifting, and Working Memory Updating Domains form Cognitive Phenotypes in Non-human Primates

This study establishes that non-human primates exhibit a four-factor cognitive architecture of executive functions—comprising distinct inhibitory control, shifting, updating, and working memory domains—which gives rise to separable cognitive phenotypes characterized by unique inter-individual strengths and weaknesses.

Wen, X., Malchin, L., Neumann, A. + 1 more2026-02-25📄 animal behavior and cognition

Zebrafish facility report on implementation of artificial plants as structural enrichment

This one-year study evaluating the introduction of artificial plants in a zebrafish facility found that while the enrichment was cost-effective and harmless, it yielded no significant improvements in fertility, sex ratio, or pathogen burden, and only a non-significant increase in survival, likely because baseline survival rates were already high.

Krachni, A. Y., Busch, R., Brakus, I. + 3 more2026-02-24📄 animal behavior and cognition

Analysis of the spatiotemporal dynamics of behavior in domestic dogs with free locomotion under appetitive Pavlovian contingencies

This study demonstrates that continuously tracking the locomotion of freely moving domestic dogs reveals distinct spatial behavioral patterns, such as increased proximity to food dispensers and extended trajectories, which are specifically modulated by the presence or absence of appetitive Pavlovian tone-food contingencies.

Rivera, A., Hernandez, V., Jimenez-Escobar, D. + 1 more2026-02-23📄 animal behavior and cognition

ABERRANT HIPPOCAMPAL NEUROGENESIS IS A CONSERVED RESPONSE TO STROKE IN MICE: A MULTI-CENTER MULTIMODEL STUDY

This multi-center, multimodel study demonstrates that while cerebral ischemia consistently triggers a transient increase in hippocampal neurogenesis across diverse stroke paradigms in mice, the resulting newborn neurons invariably exhibit maladaptive morphological features that likely contribute to chronic post-stroke cognitive decline.

de Castro-Millan, F. J., Vazquez-Reyes, S., Pena-Martinez, C. C. + 23 more2026-02-22📄 animal behavior and cognition

A Demographic History of a Prairie Vole (Microtus Ochrogaster) Breeding Colony (2004-2020)

This paper outlines the demographic history and husbandry techniques of the University of California, Davis prairie vole breeding colony from 2004 to 2020, emphasizing how transparent management and strategic breeding are essential for preserving behavioral traits and enhancing the reliability of this model in social and biomedical research.

Seelke, A. M. H., Hung, C. L., Mederos, S. L. + 4 more2026-02-22📄 animal behavior and cognition

Bottom-up and generative computations uniquely explain neural responses across the social brain

This preregistered fMRI study challenges the traditional view of a strict spatial division between social perception and mentalizing brain regions by demonstrating that both posterior STS and TPJ integrate bottom-up relational processing and top-down generative inverse-planning computations, likely operating on distinct temporal scales.

Malik, M., Kim, M., Shu, T. + 2 more2026-02-22📄 animal behavior and cognition

How Resource Heterogeneity and Social Threat Shape Intergroup Tolerance: Insights from a Spatial Agent-Based Model

This study utilizes a spatial agent-based model to demonstrate that intergroup tolerance in mixed-sex groups emerges synergistically from the combined effects of resource heterogeneity, which increases encounter frequency, and social threats from bachelor males, which drive protective aggregation, without requiring preprogrammed cooperation.

Grueter, C. C.2026-02-21📄 animal behavior and cognition

Analysis of individual identification and age-class classification of wild female macaque vocalizations without pitch- and formant-based acoustic parameter measurements

This study demonstrates that deep learning-derived mel spectrograms, when combined with traditional machine learning classifiers like random forests and support vector machines, effectively enable individual identification and age-class classification of wild female Japanese macaque vocalizations even with small-scale datasets.

Kimpara, R., Kakuta, F., Koda, H. + 2 more2026-02-19📄 animal behavior and cognition