Article
Behavioral Sciences
Aaron Ferderer, Andrew R. Davis, Marian Y. L. Wong
Summary: The presence of animal personality, which refers to repeatable behavioral differences between individuals, is ecologically and evolutionarily important. This study investigates how animal personality influences invasion potential and finds that exploratory behavior may facilitate invasions under predicted climate change.
Article
Agriculture, Dairy & Animal Science
Isaac Planas-Sitja, Jean-Louis Deneubourg, Denis L. J. Lafontaine, Ludivine Wacheul, Adam L. Cronin
Summary: Animal personality refers to the differences in behavior and actions among individuals, which is important for group survival in group-living animals. A study on American cockroaches found that bold individuals have upregulated genes associated with sensory activity and aggressive behavior, and social context can modulate gene expression related to bold/shy characteristics. Cockroaches could be valuable for studying genetic mechanisms underlying social behavior evolution.
Article
Multidisciplinary Sciences
Yingqiang Lou, Qingshan Zhao, Yunbiao Hu, Lijun Chen, Pengfei Liu, Yun Fang, Huw Lloyd, Yuehua Sun
Summary: In this study, the researchers investigate how a female bird's personality traits, such as activity and breathing rate, can influence nest site selection at different spatial scales. They also examine the impact of nest site characteristics and female personality traits on clutch size and nest success during incubation. The findings reveal that activity and breathing rate are not associated with large-scale nesting habitat variables. However, at a smaller scale, more active females tend to choose nest sites with better lateral concealment. Females with higher breathing rates lay smaller clutch sizes, while those with lower breathing rates have higher nest success during incubation. This research highlights the link between personality and nest site selection in birds, and emphasizes the important role of female personality traits in reproductive success.
Article
Behavioral Sciences
Victoria Underhill, Gregory G. Pandelis, Jeremy Papuga, Anne C. Sabol, Austin Rife, Tricia Rubi, Susan M. G. Hoffman, Ben Dantzer
Summary: This study examined stable individual differences in behaviors and associations between behaviors and intrinsic state (body mass) in wild mice. The study found significantly repeatable behaviors and among-individual correlations between certain behaviors, but no association between behavior and body mass.
BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
(2021)
Article
Biology
Z. M. Benowitz-Fredericks, L. M. Lacey, S. Whelan, A. P. Will, S. A. Hatch, A. S. Kitaysky
Summary: Determinants of individual variation in resource allocation are linked to somatic state, which affects short-term physiological and behavioral responses as well as long-term fitness implications.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2022)
Article
Multidisciplinary Sciences
Camille M. M. Montalcini, Matthew B. B. Petelle, Michael J. J. Toscano
Summary: Past research has shown that animal personalities are important for farm animals' productivity and welfare. However, current assessments of personality traits are often short-term and may not fully capture important behaviors in commercial settings throughout the production period. This study aimed to evaluate consistent behavioral differences in commercial laying hens over an eight-month period. The study found that certain behaviors were repeatable and explained a significant amount of variation between individuals. These long-term consistencies suggest that these behaviors could be used as personality traits in commercial hens and could potentially inform breeding efforts for more resilient farm animals.
ROYAL SOCIETY OPEN SCIENCE
(2023)
Article
Behavioral Sciences
Chang S. Han, Gawon Yang
Summary: Reproductive aging patterns vary among individuals and are related to behavior, with virgin females showing significant quadratic reproductive aging patterns and those investing more in early reproduction experiencing a sharper decline in egg production in later life.
BEHAVIORAL ECOLOGY
(2021)
Article
Ecology
Chang S. Han, Byeongho Lee, Jong-yeol Moon
Summary: Previous studies have focused on average behavioral differences between sexes, but individual level correlations in behaviors (behavioral syndromes) also differ between males and females. Robust empirical evidence of sex differences in behavioral syndromes based on repeated measurements is scarce. This study provides evidence of sex differences in the existence of behavioral syndromes in field crickets.
ECOLOGY AND EVOLUTION
(2023)
Article
Biochemistry & Molecular Biology
Christina Bauch, Jelle J. Boonekamp, Peter Korsten, Ellis Mulder, Simon Verhulst
Summary: The study investigated the genetic and environmental contributions to variation in telomere length in jackdaws, finding that telomere length variation is primarily influenced by additive genetic effects with a heritability estimated at 0.74 on average. Additionally, they observed low heritable variation for telomere shortening and some impact of year effects on telomere length variation.
Article
Behavioral Sciences
David J. Mitchell, Thomas M. Houslay
Summary: The study of behavioral syndromes aims to understand correlations between different behaviors, while behavioral plasticity explores variations in animal responses to environmental changes. These two phenomena, although closely related, are often discussed separately, leading to a missed opportunity to fully integrate these concepts.
BEHAVIORAL ECOLOGY
(2021)
Article
Biology
Olof Leimar, Sasha R. X. Dall, Alasdair I. Houston, John M. McNamara
Summary: Interactions in social groups can promote behavioral specialization, and individuals achieve specialization by learning to choose specific actions. Specialization develops more rapidly when there are few neighbors in a network and when learning rates are high. Frequency-dependent competition for resources is the main driver of specialization.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2022)
Article
Biochemistry & Molecular Biology
Michael Le Pepke, Thomas Kvalnes, Sarah Lundregan, Winnie Boner, Pat Monaghan, Bernt-Erik Saether, Henrik Jensen, Thor Harald Ringsby
Summary: The study demonstrates that early-life telomere length has low heritability and is strongly affected by environmental conditions, it is a polygenic trait.
Article
Biochemistry & Molecular Biology
Mathilde L. Tissier, Patrick Bergeron, Dany Garant, Sandrine Zahn, Francois Criscuolo, Denis Reale
Summary: Understanding the role of telomeres in life-history strategies is important in biology. In this study, the telomere length in wild Eastern chipmunks was examined and it was found that telomeres elongate with age and do not limit lifespan in this species. Furthermore, the findings suggest that telomere length is associated with life-history strategies in a sex-specific way.
Article
Agriculture, Dairy & Animal Science
Sarah Talbot, Rafael Freire, Skye Wassens
Summary: This study aimed to investigate the personality structure of domestic ferrets using owner-reported traits. Four key personality dimensions were identified, with male ferrets being rated as more sociable, and female ferrets as more attentive and neurotic. Additionally, extraversion generally decreases with age. These findings can inform discussions on the evolutionary significance of animal personality and improve welfare management by catering to individual needs.
Article
Multidisciplinary Sciences
Gergely Horvath, Laszlo Zsolt Garamszegi, Gabor Herczeg
Summary: The predictability of behavior is an important component of an individual's behavioral strategy, and it is correlated with behavioral type, but the direction of the correlation can vary.
ROYAL SOCIETY OPEN SCIENCE
(2023)
Article
Multidisciplinary Sciences
Frank Seebacher, Varlerie Ducret, Alexander G. Little, Bart Adriaenssens
ROYAL SOCIETY OPEN SCIENCE
(2015)
Review
Biodiversity Conservation
S. S. Killen, B. Adriaenssens, S. Marras, G. Claireaux, S. J. Cooke
CONSERVATION PHYSIOLOGY
(2016)
Article
Ecology
Peter A. Biro, Bart Adriaenssens
AMERICAN NATURALIST
(2013)
Article
Agriculture, Dairy & Animal Science
Bart Adriaenssens, Jorgen I. Johnsson
APPLIED ANIMAL BEHAVIOUR SCIENCE
(2011)
Article
Behavioral Sciences
Bart Adriaenssens, Jorgen I. Johnsson
BEHAVIORAL ECOLOGY
(2011)
Article
Behavioral Sciences
Johan Hojesjo, Bart Adriaenssens, Torgny Bohlin, Christopher Jonsson, Illka Hellstrom, Jorgen I. Johnsson
BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
(2011)
Article
Ecology
Bart Adriaenssens, Jorgen I. Johnsson
Article
Biodiversity Conservation
Bart Adriaenssens, Raoul van Damme, Frank Seebacher, Robbie S. Wilson
GLOBAL CHANGE BIOLOGY
(2012)
Article
Ecology
Peter A. Biro, Bart Adriaenssens, Portia Sampson
JOURNAL OF ANIMAL ECOLOGY
(2014)
Article
Fisheries
L. Locatello, M. B. Rasotto, B. Adriaenssens, A. Pilastro
JOURNAL OF FISH BIOLOGY
(2008)
Article
Biology
S. Brockmark, B. Adriaenssens, J. I. Johnsson
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2010)
Letter
Ecology
Bart Adriaenssens, Jorgen I. Johnsson
TRENDS IN ECOLOGY & EVOLUTION
(2009)
Article
Psychology, Biological
Umit Yilmaz, Kevser Tanbek
Summary: This study investigated the effects of intracerebroventricular administration of Spexin on the hypothalamus-pituitary-thyroid axis and energy expenditure in rats. The results showed that Spexin reduced food consumption and body weight, increased thyroid hormones, and enhanced energy metabolism.
PHYSIOLOGY & BEHAVIOR
(2024)
Article
Psychology, Biological
Kuei-Yu Chien, Yun-Ju Chen, Kuo-Jen Hsu, Chiao-Nan Chen
Summary: This study investigated the effects of a high-protein diet and high-intensity interval training on appetite and weight loss in obese middle-aged individuals. The results showed that consuming a high-protein drink and following a high-protein diet after exercise can reduce post-exercise appetite and the frequency of late-night snacking.
PHYSIOLOGY & BEHAVIOR
(2024)
Review
Psychology, Biological
Melissa Alves Braga Oliveira, Ana Carolina Odebrecht Vergne de Abreu, Debora Barroggi Constantino, Andre C. Tonon, Antoni Diez-Noguera, Fernanda Gaspar Amaral, Maria Paz Hidalgo
Summary: Biological processes in living organisms exhibit strong rhythmicity and are regulated by internal timing systems. Understanding the influence of biological rhythms is crucial for experimental design and reporting.
PHYSIOLOGY & BEHAVIOR
(2024)
Article
Psychology, Biological
Yanqun Cao, Hao Chen, Yinna Tan, Xu-Dong Yu, Chuli Xiao, Yin Li, James Reilly, Zhiming He, Xinhua Shu
Summary: There is evidence to suggest that chronic stress impacts neurochemical homeostasis and contributes to mental disorders. This study investigates the therapeutic potential of p-coumaric acid (p-CA), a natural compound found in vegetables and fruits, against stress-associated mental disorders. The findings suggest that p-CA could alleviate cognitive deficits and depression-like behavior in mice exposed to chronic restraint stress (CRS) by regulating the PKA-CREB-BDNF signaling pathway.
PHYSIOLOGY & BEHAVIOR
(2024)
Article
Psychology, Biological
Mai O. Spaulding, Jessica R. Hoffman, Grace C. Madu, Magen N. Lord, Caroline Soares Iizuka, Kevin P. Myers, Emily E. Noble
Summary: Food insecurity is associated with obesity and disordered eating behaviors. Studying a rodent model, researchers found that adolescent food insecurity may increase susceptibility to obesity and altered eating behaviors during adulthood.
PHYSIOLOGY & BEHAVIOR
(2024)
Article
Psychology, Biological
K. Oberman, B. L. van Leeuwen, M. Nabben, J. E. Villafranca, R. G. Schoemaker
Summary: The present study investigated the post-operative complications and therapeutic potential of J147 in male Zucker rats, and found that J147 treatment had positive effects on behavioral and metabolic parameters, but did not affect neuroinflammation. The results suggest that a combination of acute and chronic J147 treatment may be optimal for treatment.
PHYSIOLOGY & BEHAVIOR
(2024)
Review
Psychology, Biological
Mathieu Cournoyer, Alice Maldera, Alexandre-Charles Gauthier, Fabien Dal Maso, Marie-Eve Mathieu
Summary: This article provides a comprehensive view of the literature on the effect of different odors on physical activity through a systematic review. It was found that pleasant odors have a positive impact on participants' physical activity. However, better methodological consistency is needed in studies to produce more meaningful results.
PHYSIOLOGY & BEHAVIOR
(2024)
Article
Psychology, Biological
Gabriel R. Gilmore, Jeff Dyche
Summary: This study examined sleep, sleep/wake regularity, and cognition in college students diagnosed with depression and using serotonergic antidepressants, comparing them to those without a depression diagnosis. The results showed that students using antidepressants had slightly longer wake after sleep onset and lower sleep efficiency, but these differences were likely not noticed by the participants. There were no differences in sleep regularity or cognition between the two groups.
PHYSIOLOGY & BEHAVIOR
(2024)
Article
Psychology, Biological
Erica A. Cross, Kim L. Huhman, H. Elliott Albers
Summary: Social stress plays a significant role in the development of neuropsychiatric disorders and can lead to behavioral deficits such as social withdrawal. This study investigates the impact of social stress on social reward in Syrian hamsters. The results show that subordinate and socially defeated males have reduced motivation for social interactions compared to dominant males. Additionally, winning males exhibit greater activation in the mesolimbic dopamine system compared to losers. In females, there were no differences in social entries between winners and losers, but winning females display more activation in the NAc shell.
PHYSIOLOGY & BEHAVIOR
(2024)
Article
Psychology, Biological
Daniel A. R. Cabral, Maria L. M. Rego, Eduardo B. Fontes, Vagner D. O. Tavares
Summary: This study examined the association between body mass index (BMI) and negative emotional states (NES) in men with substance use disorders (SUD) undergoing treatment. The findings showed a positive correlation between BMI and stress, anxiety, and depression. These results suggest that reducing body fat accumulation may contribute to improving mental health in individuals with SUD during recovery.
PHYSIOLOGY & BEHAVIOR
(2024)
Review
Psychology, Biological
Elizabeth Agbor Epse Muluh, Jessica C. McCormack, Yunfan Mo, Michael Garratt, Mei Peng
Summary: This PROSPERO pre-registered systematic review and meta-analysis evaluated the olfactory and gustatory changes in pregnant individuals. The meta-analysis revealed that pregnant individuals performed poorer in odour identification, rated olfactory stimuli to be more intense during the second and third trimester, and had increased pleasantness for sweet taste in the first trimester. No major difference was observed in terms of gustatory functions between pregnant and non-pregnant subjects.
PHYSIOLOGY & BEHAVIOR
(2024)
Article
Psychology, Biological
Renee Spiteri Douglas, Mackenzie R. Hartley, J. Renee Yang, Tamara B. Franklin
Summary: The expression of Hdac2 in the hippocampus is associated with social status, while the expression of closely related genes Hdac1 and HDAC2 protein is not associated with social rank in the hippocampus.
PHYSIOLOGY & BEHAVIOR
(2024)