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Evaluation of the capability of oil specific discrimination in detection dogs Behav. Processes (IF 1.3) Pub Date : 2024-03-08 Mallory T. DeChant, Paul C. Bunker, Nathanial J. Hall
Dogs are used for oil detection to support spill remediation and conservation, but little is known about the effects of weathering and aging of oil odorants on dogs’ ability to generalize and discriminate unweathered oil from aged/weathered tar ball oil. Three dogs were trained to detect unweathered oil odorant using a three-alternative choice procedure and automated olfactometers. We evaluated dogs’
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Differences in physiology and behavior between male winner and loser mice in the tube test Behav. Processes (IF 1.3) Pub Date : 2024-03-08 Li Wang, Nan Huang, Qian Cai, Siyuan Guo, Heng Ai
Social hierarchy is a crucial element for survival, reproduction, fitness, and the maintenance of a stable social group in social animals. This study aimed to investigate the physiological indicators, nociception, unfamiliar female mice preference, spatial learning memory, and contextual fear memory of male mice with different social status in the same cage. Our findings revealed significant differences
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The role of stimulus combinations in the repeated assessment of resurgence Behav. Processes (IF 1.3) Pub Date : 2024-02-28 Kenneth D. Madrigal, Cinthia M. Hernández, Carlos J. Flores
The current study examined the role of stimulus combinations on the repeated assessment of resurgence. Using a within-session resurgence procedure, rats were exposed to different conditions, each with distinct stimulus combinations (AAA, ABA, ABB, ABC and AAB). Two arrangements of stimulus changes were compared: Experiment 1 involved changes in stimulus combinations every five sessions, while Experiment
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Rhesus monkeys show greater habituation to repeated computer-generated images than do orangutans Behav. Processes (IF 1.3) Pub Date : 2024-02-28 Mackenzie F. Webster, Jonathan W.M. Engelberg, Robert R. Hampton
Humans and several other species of animals have demonstrated the ability to use familiarity to recognize that they have seen images before. In prior experiments, orangutans failed to show use of familiarity in memory tasks, even when other solutions were not available. We tested for evidence of habituation, a decreased response to repeated stimuli, as a behavioral indicator that repeated images were
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Relationship between acoustic traits of protesting cries of domestic kittens (Felis catus) and their individual chances for survival Behav. Processes (IF 1.3) Pub Date : 2024-02-21 Marina V. Rutovskaya, Ilya A. Volodin, Sergey V. Naidenko, Mariya N. Erofeeva, Galina S. Alekseeva, Polina S. Zhuravleva, Kseniya A. Volobueva, Mariya D. Kim, Elena V. Volodina
Domestic cat () mothers may rely on offspring cries to allocate resources in use of individuals with greater chances for survival and sacrifice the weak ones in case of impossibility to raise the entire large litter. Potential victims of this maternal strategy can enhance their chances of survival, by producing vocalizations with traits mimicking those of higher-quality offspring. We compared acoustic
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Emotional Contagion in Rodents: A Comprehensive Exploration of Mechanisms and Multimodal Perspectives Behav. Processes (IF 1.3) Pub Date : 2024-02-17 Delin Yu, Lili Bao, Bin Yin
Emotional contagion, a fundamental aspect of empathy, is an automatic and unconscious process in which individuals mimic and synchronize with the emotions of others. Extensively studied in rodents, this phenomenon is mediated through a range of sensory pathways, each contributing distinct insights. The olfactory pathway, marked by two types of pheromones modulated by oxytocin, plays a crucial role
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Spontaneous tempo production in cockatiels (Nymphicus hollandicus) and jungle crows (Corvus macrorhyncos) Behav. Processes (IF 1.3) Pub Date : 2024-02-16 Mathilde Le Covec, Dalila Bovet, Shigeru Watanabe, Ei-Ichi Izawa, Anne Bobin-Bègue
Musical and rhythmical abilities are poorly documented in non-human animals. Most of the existing studies focused on synchronisation performances to external rhythms. In humans, studies demonstrated that rhythmical processing (e. g. rhythm discrimination or synchronisation to external rhythm) is dependent of an individual measure: the individual tempo. It is assessed by asking participants to produce
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Sample-comparison mapping and joint stimulus control Behav. Processes (IF 1.3) Pub Date : 2024-02-16 Carlos Pinto, José Miguel Castanheira-Dinis
A matching-to-sample task with a 3-sample, 2-comparison mapping has been found to engender joint control by the stimuli that signaled the samples (keylight) and the inter-trial interval (houselight), with a trade-off in the degree of control exerted by each stimulus. To learn about the boundary conditions for the establishment of that joint stimulus control, we trained pigeons in a similar task, but
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Examination of the joint Simon effect in rats: Changes in task performance based on actions of the partner Behav. Processes (IF 1.3) Pub Date : 2024-02-15 Noriko Katsu, Kazuo Okanoya
Nonhuman animals have demonstrated various cooperative behaviors; however, many examples can be interpreted as individual contributions to a task rather than true behavioral coordination. In this study, we used the joint Simon task in rats to determine whether the presence of and task sharing with a partner affected performance in a joint activity. Rats were trained to discriminate between two auditory
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Higher offspring mortality in deer mice (Peromyscus maniculatus bairdii) that spontaneously present with large nest building behaviour Behav. Processes (IF 1.3) Pub Date : 2024-02-13 Heike Stoppel, Brian H. Harvey, De Wet Wolmarans
Nesting is a normal, evolutionary conserved rodent behavioural phenotype that is expressed for purposes of breeding, safety, and thermal regulation. Further, nesting is commonly assessed as marker of overall rodent health and wellbeing, with poorer nesting performance generally proposed to resemble a worse state of health. Deer mice can be bidirectionally separated with 30% of mice presenting with
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Why do predators attack parasitized prey? Insights from a probabilistic model and a literature survey Behav. Processes (IF 1.3) Pub Date : 2024-02-08 Michal Segoli, Yves Papegay, Tamir Rozenberg, Eric Wajnberg
Predators and parasitoids often encounter parasitized prey or hosts during foraging. While the outcomes of such encounters have been extensively studied for insect parasitoids, the consequences of a predator encountering parasitized prey have received less attention. One extreme example involves the potter wasp that frequently provision their nest with parasitized caterpillars, despite the low suitability
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Structural consistency of exploratory behaviour of sub-adult and adult spiny mice (Acomys cahirinus) in seven different tests Behav. Processes (IF 1.3) Pub Date : 2024-02-07 Daniel Frynta, Lenka Tomanová, Kristína Holubová, Barbora Vobrubová, Iveta Štolhoferová, Veronika Rudolfová
The genus is of growing importance to many research fields. Previous research has shown that individuals differ when exploring new environments and that these behavioural strategies are consistent in time. In this study, we subjected 60 commensal (37 males, 23 females) to a series of seven tests (free exploration, forced exploration under bright illumination, forced exploration under low illumination
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Pica behavior of laboratory rats (Rattus norvegicus domestica): Nauseated animals ingest kaolin, zeolite, bentonite, but not calcium carbonate chalk Behav. Processes (IF 1.3) Pub Date : 2024-02-07 Sadahiko Nakajima
"Pica" refers to the ingestion of non-nutritive substances by animals that would not typically consume them. The pica behavior can be utilized to investigate the internal conditions of animals' bodies. For example, rats, due to neuroanatomical reasons, cannot vomit; nevertheless, when nauseated, they ingest kaolin clay. This renders the ingestion of kaolin a practical proxy for measuring nausea in
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How to measure exploration: A combined estimation method. Behav. Processes (IF 1.3) Pub Date : 2024-02-07 Rosanne Beukeboom, David Benhaïm
The personality axis ‘exploration-avoidance’ is often measured using an open field test (OFT) from which measurements such as mobility level (e.g. distance travelled) and space use (e.g. area covered) in an unknown environment are extracted. Recently developed tracking software surprisingly includes only a measure of mobility level in their output summary. Consequently, recent articles using these
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The effects of response disequilibrium on social media use: A laboratory analogue Behav. Processes (IF 1.3) Pub Date : 2024-01-24 Kenneth W. Jacobs, Brian Klapak, Zachary H. Morford, Ryan Snyder
Response disequilibrium is the perturbation of unconstrained behavior with a contingency. For example, the imposition of advertisements before or after viewing TikTok videos. The purpose of this laboratory analogue was to determine the effects of two such response disequilibrium conditions: (1) which required participants to view 5 s increments of advertisements to access 2 s increments of TikTok videos
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The presence of informed conspecifics improves individual foraging efficiency in naïve sheep Behav. Processes (IF 1.3) Pub Date : 2024-01-26 Vartan E. Vartparonian, Stephan T. Leu
Knowledge about the environment is fundamentally important to move, find resources and forage efficiently. This information can either be acquired through individual exploration (personal information) or from other group members (social information). We experimentally assessed the use of social information and its influence on foraging efficiency in sheep, Ovis aries. Naïve individuals paired with
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The effect of biofluorescence on predation upon Cope’s gray treefrog: A clay model experiment Behav. Processes (IF 1.3) Pub Date : 2024-01-24 Courtney Whitcher, Lilyanne Beaver, Emily Moriarty Lemmon
Biofluorescence, the ability to absorb light and reemit it at a longer wavelength, is present in many taxa but has been examined only recently in amphibians. Over half of the studies documenting biofluorescence in the last century suggest this fluorescent signal may affect predation; however, to date, only one other experimental study has tested this hypothesis. To address this question, we experimentally
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Three methods of behavioural testing to measure anxiety – A review Behav. Processes (IF 1.3) Pub Date : 2024-01-24 Lijing Chen, Yi Lu, Xiaokai Hua, Hongyan Zhang, Shiguang Sun, Chunchao Han
Behavioural test is very useful to assess the anxiety activity, screen new anxiolytic drugs, explore the pathogenesis of anxiety disorders. Methods of behavioural testing that reflects different aspects of anxiety emotionality simultaneously have always been a critical issue for academics. In this paper, we reviewed previous methods to use behavioural test to evaluate the anxiety activity. A single
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Intra- and interspecific interactions in the two coexisting Locustella warblers revealed by song playback experiments Behav. Processes (IF 1.3) Pub Date : 2024-01-20 Ivana Czocherová, Ján Svetlík, Lucia Rubáčová
Males usually come into conflict due to competition for territories and females. However, interference competition can also occur between males of congeneric species when their ecological requirements are overlapping. Using acoustic playback experiments, we investigated male-male interactions within and between Grasshopper (Locustella naevia; GW) and River Warbler (L. fluviatilis; RW). Our objective
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Comparing extinction and contrast effects for operant wheel running and lever pressing on a multiple schedule Behav. Processes (IF 1.3) Pub Date : 2024-01-20 Terry W. Belke, Emily X.F.H. Escoffery
Extinction and positive contrast effects were assessed on a multiple schedule with lever pressing as the operant in one component and wheel running as the operant in the other component. FR 15 schedules produced 15% sucrose reinforcement in each component. Contrast for both operants was generated by placing responding in the alternate component on extinction. Results showed that extinction decreased
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Attention bias and novel object test in rams (Ovis aries) under intensive farming Behav. Processes (IF 1.3) Pub Date : 2024-01-19 Kallirroi Papadaki, George P. Laliotis, Panagiota Koutsouli, Iosif Bizelis
Affective states are long lasting mood states resulting from an accumulation of experiences. The knowledge of the affective state of animals can significantly help maintain and/or increase animal welfare. The aim of the study was to recognize the affective state of 13 adult rams reared under an intensive system and to further associate their affective state with hierarchy, sociability order and maintenance
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Theoretical note: Quantity and concentration as co-determinants of the reinforcing value of sucrose: A re-analysis of some previously published data Behav. Processes (IF 1.3) Pub Date : 2024-01-15 C.M. Bradshaw
According to the Multiplicative Hyperbolic Model of reinforcer value (MHM), the overall value of a reinforcer may be defined by the multiplicative combination of a set of hyperbolic functions, each of which defines the impact of a particular feature of the reinforcer (e.g., quantity, immediacy of delivery). A previous experiment found that the relationship between the indifference volumes (qA(50))
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Cat behaviour in the secure base test: Comparison between owned and shelter animals Behav. Processes (IF 1.3) Pub Date : 2024-01-13 Cinthia Sayuri Yoshizawa Takeda, Suzana Helena Luchesi, Fernanda Peixoto Martins, Pedro Henrique Esteves Trindade, Alexsandro Antonio Portilho Damasceno, Igor de Souza Gomes, Rayane Gonçalves dos Santos, Juliana Roberta de Souza Monteiro, Emma Otta
The aim of the present study was to compare affiliative behaviours of owned and shelter cats directed to human in a novel environment after a brief temporary absence of the person. A sample of 20 owned and 20 shelter animals were individually tested in a Secure Base Test, with three 2-min episodes: 1) cat accompanied by a person who sits on the floor inside a circle, 2) the person leaves and the animal
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Paint marking using CO2 anaesthetization does not affect exploratory and recruitment behaviours in the rock ant, Temnothorax rugatulus Behav. Processes (IF 1.3) Pub Date : 2023-12-23 Supraja Rajagopal, Takao Sasaki
The study of animal behaviour sometimes requires unique identification of individuals, especially in the study of social behaviours involving the interactions of multiple individuals. To this end, researchers have developed many different methods of marking individuals. For small animals like insects, paint marks are often applied to their bodies by anaesthetizing them using low temperature or carbon
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A test of the role of stimulus-response and stimulus-outcome associations in the effects of intermittent-access training Behav. Processes (IF 1.3) Pub Date : 2023-12-14 Madeline M. Beasley, Emma M. Pilz, David N. Kearns
Increased reinforcer motivation in rats has been repeatedly demonstrated following intermittent-access (IntA) training, where the reinforcer is only available for brief periods during a session, compared to continuous-access (ContA) training where the reinforcer is available throughout the session. The present study investigated whether different associations learned during training on the two procedures
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Time, uncertainty, and suboptimal choice Behav. Processes (IF 1.3) Pub Date : 2023-12-10 Alejandro Macías, Valeria V. González, Armando Machado, Marco Vasconcelos
Under certain conditions, pigeons prefer information about whether food will be forthcoming at the end of an interval to a higher chance of obtaining the food. In the typical protocol, choosing one option (Informative) is followed by one of two 10-s long terminal-link stimuli: SG always ending in food or SR never ending in food, with SG occurring only 20% of the trials. The other option (Non-informative)
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Shortest path choice in zebrafish (Danio rerio) Behav. Processes (IF 1.3) Pub Date : 2023-12-09 Alberto Mair, Angelo Bisazza, Marco Dadda, Maria Santacà
Many animals regularly move between different locations within their home range. During these journeys, individuals are expected to use the shortest path, because this strategy minimizes energy expenditure and reduces exposure to adverse conditions, such as predation. The ability to find the shortest distance route has been demonstrated in ants, migrating birds and a few mammals. We investigated whether
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Navigational experience affect cognition: Spatial learning capabilities in captive and wild-born tuco-tucos Behav. Processes (IF 1.3) Pub Date : 2023-12-07 J. Iribarne, V. Brachetta, R. Zenuto, M. Kittlein, C. Schleich
There is a growing recognition of the influence of both genetic and ecological context in shaping different cognitive traits. The hippocampal region is identified as a critical area for memory and learning in mammals, susceptible to modification by environmental influences. Although previous studies have identified the effects of various factors on cognitive parameters during early development, comparatively
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Effects of food deprivation on conditioned orthonasal olfactory preferences with caloric and non-caloric reinforcers Behav. Processes (IF 1.3) Pub Date : 2023-12-01 Luis M. Traverso, Luis E. Gómez-Sancho, Luis G. De la Casa
Three experiments were conducted to investigate Conditioned Olfactory Preferences using orthonasal inhalation, which is a less explored perceptual pathway compared to retronasal inhalation. In these experiments, odors were impregnated onto plastic disks to prevent the subjects from consuming or tasting them. The reinforcers used were a sucrose solution (Caloric groups) and a saccharin solution (Non-Caloric
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Locomotor play behavior evolves by random genetic drift but not as a correlated response to selective breeding for high voluntary wheel-running behavior Behav. Processes (IF 1.3) Pub Date : 2023-11-25 Natalie N. Whitehead, Scott A. Kelly, Jessica S. Demes, Nicole E. Schwartz, Theodore Garland
Locomotor play is vigorous and seemingly purposeless behavior, commonly observed in young mammals. It can be costly in terms of energy expenditure, increased injury risk, and predator exposure. The main hypothesized benefit of locomotor play is enhancement of neuromuscular development, with effects persisting into adulthood. We hypothesized that levels of locomotor play would have evolved as a correlated
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An evaluation of hedonic responses in taste-potentiated odor aversion using the analysis of licking microstructure and orofacial reactivity Behav. Processes (IF 1.3) Pub Date : 2023-11-22 Matías López, Dominic M. Dwyer, Azucena Begega, Claudia Jove, Esther Alcorta
Two experiments examined the hedonic responses conditioned to odor cues in the phenomenon of taste-potentiated odor aversion. Experiment 1 analyzed the microstructure of licking behavior during voluntary consumption. A tasteless odor (amyl acetate) was delivered to rats either diluted in water or mixed with saccharin before being injected with LiCl. At test, subjects which had received the odor-taste
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Long-term video and genetic data yield insights into complex sociality of a solitary large carnivore Behav. Processes (IF 1.3) Pub Date : 2023-11-26 Melissa Reynolds-Hogland, Carly Brooks, Alan B. Ramsey, John S. Hogland, Kristine L. Pilgrim, Cory Engkjer, Philip W. Ramsey
American black bears (Ursus americanus) may be more social than currently understood. We used long-term video and genetic data to evaluate social interactions among wild, independent-aged black bear on a conservation property in western Montana, USA. We used multinomial logistic regression to evaluate predictions about male-male interactions within the context of individual fitness, female-female interactions
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Bonding against the odds: Male prairie vole response to the “widow effect” among females Behav. Processes (IF 1.3) Pub Date : 2023-11-19 Santiago A. Forero, Alexander G. Ophir
Although pair bonding is the preferred mating tactic among socially monogamous prairie voles, naturalistic observations have demonstrated many males remain non-bonded. Moreover, although males readily re-bond after the loss of a partner, females do not (i.e., the “widow effect’). Few studies have attempted to address why so many males remain non-bonded or if a reluctance of re-bonding in females contributes
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Open field activity is linked to, but is not affected by, the rate of recovery from reward downshift in female Wistar rats Behav. Processes (IF 1.3) Pub Date : 2023-11-20 Christopher Hagen, Pedro M. Ogallar, Mauricio R. Papini
Frustration is an aversive emotion triggered by unexpected reward downshifts. Using the consummatory successive negative contrast (cSNC) task, a 32-to-2% sucrose downshift was shown to initially suppress consummatory behavior. Such suppression was followed by behavioral recovery over subsequent sessions. Individual differences often emerge in the rate of recovery after the initial consummatory suppression
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Effects of methamphetamine on probability discounting in rats using concurrent chains Behav. Processes (IF 1.3) Pub Date : 2023-11-23 Rebecca Rose Hazel Bodeker, Randolph C. Grace
How stimulant drugs affect risky choice and the role of reinforcement magnitude has been an important question for research on impulsivity. This study investigated rats’ responding on a rapid acquisition, concurrent chains, probability discounting task under methamphetamine administration. In each block of four sessions, probability of reinforcement delivery was unequal (0.5/1.0, 1.0/0.5) or equal
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Sensory-mediated feeding behaviour in the larvae of marble goby (Oxyeleotris marmorata) Behav. Processes (IF 1.3) Pub Date : 2023-11-19 Leong-Seng Lim, Chee-Wei Yee, Kian Ann Tan, Hon Jung Liew, Yukinori Mukai
This study was conducted to determine the senses that facilitate prey detection in the marble goby (Oxyeleotris marmorata) larvae. The ingestion ratios of live (generate chemical and mechanical stimuli) or frozen Artemia nauplii (generate chemical but no mechanical stimuli) by the intact or free neuromast (mechanoreceptor)-ablated O. marmorata larvae (11 mg/L streptomycin treatment before feeding)
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A preliminary evaluation of habituation and dishabituation of operant responding in mice Behav. Processes (IF 1.3) Pub Date : 2023-11-18 Nicholas L. Vitale, Matthew Lewon
Previous research has suggested that operant response decrements within experimental sessions are due in part to habituation to the repeated presentation of reinforcers. One way to assess the role of habituation in within-session response decrements is to conduct a test for dishabituation, a phenomenon in which a habituated response to a given stimulus recovers following the presentation of some strong
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Social attributes shape antipredator behavior strategies in the ruddy ground-dove Behav. Processes (IF 1.3) Pub Date : 2023-11-03 Paulo Sérgio Amorim, Raphael Igor Dias
The cost-benefit of social behavior depends on group size and the social interaction. As group size increases, competition for resources increases, while individual vigilance may decrease due to the lower probability of individual predation or increased competition for resources. To test predictions of the “many eyes hypothesis” and the “competition hypothesis”, we investigated the effects of social
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Disentangling affect from self-esteem using subliminal conditioning Behav. Processes (IF 1.3) Pub Date : 2023-11-04 Micah Amd
Across three experiments, participants underwent conditioning sequences where the self-referential term I AM (Conditioned Stimulus, or CS+) or a scrambled counterpart M IA (CS-) was paired with either neutral (Unconditioned Stimulus, or US-) or positive attributes (US+). CS and US were presented under subliminal and/or visible conditions. A normalized indicator of affective shift and an explicit self-esteem
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Spoilt for choice: Do female mosquitoes experience choice overload when deciding where to lay eggs? Behav. Processes (IF 1.3) Pub Date : 2023-10-31 Manvi Sharma, Kavita Isvaran
Animals live in complex natural environments. Based on the effects of natural selection, theory on animal information use says that it is optimal for animals to make "rational" decisions, i.e., to choose alternatives which maximize fitness gains, irrespective of the number of alternatives presented to them. Yet, animals commonly make seemingly “irrational” choices in the face of complex and variable
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The effect of experience on collective decision-making Behav. Processes (IF 1.3) Pub Date : 2023-10-30 Kashetsky Tovah, Yan Janice, Doering Grant, Skelton Tricia, Dukas Reuven
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Exploring emotional contagion in zebrafish: A virtual-demonstrator study of positive and negative emotions Behav. Processes (IF 1.3) Pub Date : 2023-10-27 Daniel Burbano, Sahana Senthilkumar, M. Chiara Manzini
Emotional contagion, the transmission of emotions within a group, has been extensively studied in mammals but remains largely unexplored in fish. This study aims to investigate whether emotional contagion, specifically in terms of low and high anxiety levels, can be evoked in zebrafish. This freshwater species has been gaining momentum due to its high genetic homology to humans and complex behavioral
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Cross-sex cecal microbiota transfer alters depressive-like behaviours in mice Behav. Processes (IF 1.3) Pub Date : 2023-10-24 Meagan Hinks, Yellow H. Martin, Francine F. Burke, Francis R. Bambico, Ashlyn Swift-Gallant
Major depressive disorder (MDD) is a leading cause of non-fatal global disease burden, with females being two-fold more likely than males to be diagnosed with the disorder. Despite this sex-linked disparity of diagnosis, it is unclear what underlies the sex bias in MDD. Recent findings suggest a role for the gut in mediating affective disorders through the gut-brain-axis (GBA). However, few studies
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How outing conditions relate to the motivation of movement-restricted cattle to access an outdoor exercise yard Behav. Processes (IF 1.3) Pub Date : 2023-10-16 Nadège Aigueperse, Véronique Boyer, Elsa Vasseur
Assessing animal motivation to access a given resource is one method available to evaluate what to provide in the living environments of captive animals. Providing increased opportunities for movement can be seen as an important source of enrichment, but we need to know the point of view of the animal. The objective of our study was to test a novel combination of behaviours in order to assess the motivation
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Effect of light bias on male mating signal and female mate choice in a sexually dimorphic Amazon fish Behav. Processes (IF 1.3) Pub Date : 2023-10-19 Elio de Almeida Borghezan, Tiago Henrique da Silva Pires, Jansen Zuanon, Shiro Kohshima
Colourful signals are usually honest indicators of mate quality since they are energetically costly. However, how colours are perceived by choosers is highly affected by the environmental light condition. Amazon black waters are strongly red-biased while clear waters show no apparent colour bias. The sailfin tetra Crenuchus spilurus is a sexually dimorphic Amazon fish species; males have hyperallometric
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Feline Faces: Unraveling the Social Function of Domestic Cat Facial Signals Behav. Processes (IF 1.3) Pub Date : 2023-10-18 LAUREN SCOTT, BRITTANY N. FLORKIEWICZ
Lately, there has been a growing interest in studying domestic cat facial signals, but most of this research has centered on signals produced during human-cat interactions or pain. The available research on intraspecific facial signaling with domesticated cats has largely focused on non-affiliative social interactions. However, the transition to intraspecific sociality through domestication could have
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Non-invasive, real-time stress measurement: Vocalization compared with thermal imaging in kittens of the domestic cat in response to social separation Behav. Processes (IF 1.3) Pub Date : 2023-10-06 Péter Szenczi, Alejandro Jiménez Gallardo, Andrea Urrutia, Robyn Hudson, Jairo Muñoz-Delgado, Oxána Bánszegi
Finding tools to assess the stress response which can be easily applied, are non-invasive, reliable and measured in real time is still a relevant topic in many areas of biology. Vocal characteristics and temperature of certain body areas have been suggested to reflect HPA axis and ANS activation. We hypothesized that changes in vocalizations and peripheral body temperature will show the magnitude of
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Further observations on the reinforcing value of sucrose solutions: Interaction between quantity and concentration Behav. Processes (IF 1.3) Pub Date : 2023-10-05 C.M. Bradshaw
According to the Multiplicative Hyperbolic Model of reinforcer value (MHM), the value of a reinforcer is an increasing hyperbolic function of its size. In addition it is generally accepted that in the case of soluble reinforcers such as sucrose, value is an increasing function of molar concentration. The present experiment examined the interaction between size and concentration on the effectiveness
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When a glimpse is enough: Partial mimicry of jumping spiders by insects Behav. Processes (IF 1.3) Pub Date : 2023-10-05 Carlos E. Muñoz-Amezcua, Horacio Tapia-McClung, Dinesh Rao
Many flies and moths mimic the frontal appearance of jumping spiders. This type of mimicry, which we term as partial mimicry, can be distinguished from Batesian mimicry since the mimic has spider resembling patterns only in certain parts of the body, and not the entire body. The presence of spider-like patterns is obvious only at certain angles suggesting that the mimic is frequently targeted by its
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Interference of same/different learning by a spatial discrimination Behav. Processes (IF 1.3) Pub Date : 2023-10-04 Daniel N. Peng, Thomas R. Zentall
Same/different learning by pigeons has long been of interest to experimental psychologists. In one of these procedures, matching-to-sample, responses to a sample stimulus result in the presentation of two comparison stimuli, one of which matches the sample, the other of which does not, and choice of the matching stimulus is reinforced. Evidence of a matching concept has been found when transfer has
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Drosophila genotypes can be predicted from their exploration locomotive trajectories using supervised machine learning Behav. Processes (IF 1.3) Pub Date : 2023-09-16 Minh Nguyen, Gregg W Roman, Benjamin Soibam
This study employs supervised machine learning algorithms to test whether locomotive features during exploratory activity in open field arenas can serve as predictors for the genotype of fruit flies. Because of the nonlinearity in locomotive trajectories, traditional statistical methods that are used to compare exploratory activity between genotypes of fruit flies may not reveal all insights. 10-minute-long
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Ontogeny of Working Memory and Behavioural Flexibility in the Free Movement Pattern (FMP) Y-Maze in Zebrafish Behav. Processes (IF 1.3) Pub Date : 2023-09-09 Madeleine Cleal, Barbara D. Fontana, Courtney Hillman, Matthew O. Parker
The acquisition of executive skills such as working memory, decision-making and adaptive responding occur at different stages of central nervous system development. Zebrafish (Danio rerio) are commonly used in behavioural neuroscience for increasingly complex behavioural tasks, and there is a critical need to understand the ontogeny of their executive functions. Zebrafish across developmental stages
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Horneros consider their neighbors as precious foes regardless of territory size and human disturbance Behav. Processes (IF 1.3) Pub Date : 2023-09-05 Paulo S. Amorim, André C. Guaraldo, Pedro Diniz
Research on neighbor-stranger discrimination theory has revealed the significance of social context and biological traits affecting the mechanisms that drive social discrimination, such as the dear enemy or nasty neighbor effects (strangers or neighbors more threatening, respectively). Nevertheless, the effects of territory size and human activity on neighbor-stranger experiments have yet to be explored
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Degrading stimuli by reducing image resolution impairs performance in a rodent continuous performance test Behav. Processes (IF 1.3) Pub Date : 2023-09-04 Adrienne C. DeBrosse, Ye Li, Robyn Wiseman, Racine Ross, Sy’Keria Garrison, Henry L. Hallock, James C. Barrow, Keri Martinowich, Gregory V. Carr
Attention is a cognitive domain often disrupted in neuropsychiatric disorders and continuous performance tests (CPTs) are common clinical assays of attention. In CPTs, participants produce a behavioral response to target stimuli and refrain from responding to non-target stimuli. Performance in CPTs is measured as the ability to discriminate between targets and non-targets. Rodent versions of CPTs (rCPTs)
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Environmental Enrichment Accelerates the Acquisition of Schedule-Induced Drinking in Rats Behav. Processes (IF 1.3) Pub Date : 2023-09-01 Esmeralda Fuentes-Verdugo, Gabriela E López-Tolsa, Raquel Pascual, Ricard Pellón
Environmental enrichment (EE) provides an improvement in the housing conditions of experimental animals, such as laboratory rats, with greater physical and social stimulation through toys and company in the home cages. Its use is known to influence performance of experimental protocols, but these effects have not been well determined in the schedule-induced drinking (SID) procedure. The main goal of
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When the individual comes into play: The role of self and the partner in the dyadic play fighting of rats Behav. Processes (IF 1.3) Pub Date : 2023-08-27 E.J.M. Achterberg, C.J. Burke, S.M. Pellis
Social play in rats is rewarding and important for the development of brain and social skills. There are differences in the amount of play behavior displayed among individuals, with earlier studies suggesting that, despite variation across trials, individual differences tend to be consistent. In the present study, juvenile Lister-hooded rats were paired with a different, unfamiliar same-sex partner
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Distinct acute stressors exert an antagonistic effect on complex grooming during novelty habituation in rats Behav. Processes (IF 1.3) Pub Date : 2023-08-19 Mijail Rojas-Carvajal, Rita Leandro, Juan C. Brenes
Grooming is a common readout in multiple rat models of neuropsychiatric diseases. It is usually associated with distress and negative emotionality, but also with emotional de-arousal after stress. These seemingly conflicting interpretations may result from specific grooming sequences appearing at different arousal levels and during distinct phases of the stress response. To further explore this hypothesis