Behavioural Processes最新文献

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Nursing is rewarding for lactating rabbit does 哺乳对泌乳兔是有益的
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-06-01 Epub Date: 2025-05-24 DOI: 10.1016/j.beproc.2025.105217
César Huerta , Enrique Meza , Teresa Morales , Raúl G. Paredes , Mario Caba
{"title":"Nursing is rewarding for lactating rabbit does","authors":"César Huerta ,&nbsp;Enrique Meza ,&nbsp;Teresa Morales ,&nbsp;Raúl G. Paredes ,&nbsp;Mario Caba","doi":"10.1016/j.beproc.2025.105217","DOIUrl":"10.1016/j.beproc.2025.105217","url":null,"abstract":"<div><div>Investigating affective experiences in animals is inherently challenging. However, the conditioned place preference (CPP) paradigm offers a valuable method for inferring internal states. Understanding the neural and hormonal mechanisms underlying emotions in animals is crucial for elucidating the biological basis of human emotions. CPP assesses an animal's preference for an environment associated with a rewarding or aversive stimulus. While extensively used to study drug effects, the CPP paradigm has been less frequently applied to investigate the effects of natural stimuli. Furthermore, most studies using this paradigm have been conducted with rodents. This study utilizes the CPP paradigm to investigate the rewarding properties of nursing in lactating rabbits, a unique mammalian behavior that occurs once daily. We found that nursing induced CPP in the lactating doe, which we interpret as a positive affective state—an event fulfilling a motivational drive that occurs only every 24 hours. The results of this study provide valuable insights into the affective state of this species and the neurobiological basis of motivation and reward in a natural context.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"229 ","pages":"Article 105217"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First insights into social behavioral patterns between pairs of bait-attracted mature female tiger sharks from Fuvahmulah Island, Maldives 马尔代夫富瓦穆拉岛一对被诱饵吸引的成熟雌虎鲨之间的社会行为模式
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-06-01 Epub Date: 2025-05-24 DOI: 10.1016/j.beproc.2025.105216
Francesca Romana Reinero , Filippo Bocchi , Nathan Perisic , Jamie Crouch , Antonio Pacifico , Luca Asshauer , Consuelo Vicariotto , Primo Micarelli
{"title":"First insights into social behavioral patterns between pairs of bait-attracted mature female tiger sharks from Fuvahmulah Island, Maldives","authors":"Francesca Romana Reinero ,&nbsp;Filippo Bocchi ,&nbsp;Nathan Perisic ,&nbsp;Jamie Crouch ,&nbsp;Antonio Pacifico ,&nbsp;Luca Asshauer ,&nbsp;Consuelo Vicariotto ,&nbsp;Primo Micarelli","doi":"10.1016/j.beproc.2025.105216","DOIUrl":"10.1016/j.beproc.2025.105216","url":null,"abstract":"<div><div>Tiger sharks are predominantly known as solitary animals, yet their opportunistic and generalist predatory nature can drive interactions with conspecifics, including artificial provisioning sites. Underlying social dynamics may influence such instances of grouping behavior. Despite social behavior being an expanding niche in shark science, little is known about the social behavioral patterns of the tiger shark worldwide. Between 2023 and 2024 in Fuvahmulah Island, Maldives, 36 pair-wise non-random social interactions were observed at the provisioning site via video recordings by 40 photo-identified mature female tiger sharks. Social behaviors previously identified in white sharks and tiger sharks across multiple locations, such as <em>give way</em>, <em>swim by</em>, <em>parallel swimming</em>, <em>follow give way</em>, and <em>stand back</em>, have also been documented in tiger sharks from Fuvahmulah Island. Furthermore, this study presents two newly observed antagonistic social behaviors — <em>submission</em> and <em>push away</em> — described here for the first time. Within the mature female tiger shark aggregation in Fuvahmulah, a size-based hierarchy was observed, with certain individuals displaying the majority of dominance and social interactions. The asymmetry in the monthly display of social behaviors suggests an intra-specific variability of tiger shark movements to different home ranges. These findings deepen our knowledge of the tiger shark social behavior, highlighting data gaps in Maldives and ensuring effective conservation measures for this species. Recommendations for future research work at this site are also presented in this paper.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"229 ","pages":"Article 105216"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144147775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An investigation of turn alternation in two species of terrestrial isopods: Porcellio spinicornis and Trachelipus rathkii 两种陆生等足类刺角坡齿和拉氏坡齿的轮替研究
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-05-01 Epub Date: 2025-04-27 DOI: 10.1016/j.beproc.2025.105204
Kate Caster, Jessica E. LaBuda, Vincent J. Coppola
{"title":"An investigation of turn alternation in two species of terrestrial isopods: Porcellio spinicornis and Trachelipus rathkii","authors":"Kate Caster,&nbsp;Jessica E. LaBuda,&nbsp;Vincent J. Coppola","doi":"10.1016/j.beproc.2025.105204","DOIUrl":"10.1016/j.beproc.2025.105204","url":null,"abstract":"<div><div>It has been documented that some species of terrestrial isopods in the genera <em>Porcellio</em> and <em>Armadillidium</em> engage in turn alternation (TA) to maintain a straight path while exploring new terrains, escaping inhospitable conditions, or avoiding predators. Within <em>Porcellio</em>, such studies are most often conducted with <em>Porcellio scaber</em> (Latreille, 1804) or <em>Porcellio laevis</em> (Latreille, 1804), leaving the extent of TA in other species of <em>Porcellio</em> unexplored. Consequently, TA behavior is often assumed in other genera of isopods, despite the lack of documentation. Therefore, the current study investigated TA in <em>Porcellio spinicornis</em> (Say, 1818) and <em>Trachelipus rathkii</em> (Brandt, 1833) using a commonly employed multiple T-maze. Both <em>P. spinicornis</em> and <em>T. rathkii</em> were found to TA at frequencies significantly above random chance. The data also showed a marginal interaction between group and sex, such that <em>T. rathkii</em> females, but not males, and <em>P. spinicornis</em> males, but not females, significantly TA. The current study provides the first documentation of TA in <em>Porcellio spinicornis</em> and extends this behavior to the genus <em>Trachelipus</em> — broadening our understanding of TA behavior across isopod taxa. Furthermore, the data suggests that TA may follow a pattern of sex-specific selection that could differ among species of terrestrial isopods. Further studies on TA across a broader range of isopod species and genera may reveal important ecological and evolutionary patterns.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"228 ","pages":"Article 105204"},"PeriodicalIF":1.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143881494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Aerial urination in Amazon river dolphins: reassessing its social significance and implications for sensory biology 亚马逊河海豚的空中排尿:重新评估其社会意义和对感官生物学的影响
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-05-01 Epub Date: 2025-04-16 DOI: 10.1016/j.beproc.2025.105192
Kai R. Caspar
{"title":"Aerial urination in Amazon river dolphins: reassessing its social significance and implications for sensory biology","authors":"Kai R. Caspar","doi":"10.1016/j.beproc.2025.105192","DOIUrl":"10.1016/j.beproc.2025.105192","url":null,"abstract":"<div><div>Araújo-Wang et al. (2025) reported on aerial urination events in male Amazon river dolphins (<em>Inia araguaiaensis</em>) from the Tocantins River in Brazil, a phenomenon that appears to occur across populations of <em>Inia</em>. The authors argue that this behavior would be indicative of a yet undescribed sensory modality in these animals and that it probably represents an intrasexual display of dominance. However, both of these claims do not appear plausible in light of the limited available data. If indeed functional, aerial urination is more parsimoniously explained as a form of solo or social play.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"228 ","pages":"Article 105192"},"PeriodicalIF":1.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143842467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Invasive social wasp learning abilities when foraging in human modified environments 入侵社会黄蜂在人类改造环境中觅食时的学习能力
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-05-01 Epub Date: 2025-04-18 DOI: 10.1016/j.beproc.2025.105201
Sabrina Moreyra , Mariana Lozada
{"title":"Invasive social wasp learning abilities when foraging in human modified environments","authors":"Sabrina Moreyra ,&nbsp;Mariana Lozada","doi":"10.1016/j.beproc.2025.105201","DOIUrl":"10.1016/j.beproc.2025.105201","url":null,"abstract":"<div><div>The eusocial wasp <em>Vespula germanica</em> has successfully colonised diverse habitats worldwide. This study analyses whether <em>V. germanica</em> can learn to associate their own actions with food availability while foraging in human altered environments by using a Y-maze. We recorded the time taken by wasps to enter the device through a funnel in five consecutive visits; which changed its position randomly on each visit. Initially, food was placed in the funnel in the first two visits, while on the subsequent three visits, the resource was only offered after the wasp entered the device through the funnel. Our results showed that foragers chose the funnel to enter the Y-maze in search of food. Interestingly, on successive visits, when no food was offered, foragers learned to enter the device more rapidly. In sum, the present research reveals that these wasps exhibit diverse learning capabilities, suggesting that their responses can be modified by the consequences they experience. This is the first study to show empirical evidence of learning processes related to changes in motor responses associated with rewarding outcomes in <em>V. germanica</em>. This experimental research contributes to confirming the behavioural plasticity of this species, which could have facilitated its worldwide invasiveness.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"228 ","pages":"Article 105201"},"PeriodicalIF":1.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Light, camera, action: Behavioral responses of the yellow scorpion Tityus serrulatus to different lights 光、相机、动作:黄蝎对不同光线的行为反应
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-05-01 Epub Date: 2025-05-06 DOI: 10.1016/j.beproc.2025.105207
Marina Costa Rodrigues , Gabriel Pimenta Murayama , Lilian Tan Moriyama , Nathalia Ximenes , Luan de Souza , Rodrigo Hirata Willemart
{"title":"Light, camera, action: Behavioral responses of the yellow scorpion Tityus serrulatus to different lights","authors":"Marina Costa Rodrigues ,&nbsp;Gabriel Pimenta Murayama ,&nbsp;Lilian Tan Moriyama ,&nbsp;Nathalia Ximenes ,&nbsp;Luan de Souza ,&nbsp;Rodrigo Hirata Willemart","doi":"10.1016/j.beproc.2025.105207","DOIUrl":"10.1016/j.beproc.2025.105207","url":null,"abstract":"<div><div>Scorpions cause 150k+ accidents per year in Brazil. Control of their populations involves manual collection and pesticides. Here we tested if light could be used to attract or repel the yellow scorpion <em>Tityus serrulatus</em>, the main responsible for accidents in the country. Based on previous studies on scorpion´s physiological and behavioral reactions to light, we tested wavelengths that correspond to red, green and violet, controlling temperature, absolute irradiance and electromagnetic stimuli. We built a ring arena divided into 5 parts and had the individuals freely walking in the presence of a light/control. We released the scorpions either away from the LED to test attraction or close to the LED to test repellency. Results showed avoidance to green light, and violet light on a smaller portion, that could be due to wavelengths, since those correspond to primary and secondary response peaks of the animal photoreceptors, due to the absolute irradiance of lights or both. These two wavelengths, therefore, have potential for scorpion control and deserve further investigations.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"228 ","pages":"Article 105207"},"PeriodicalIF":1.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143935003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of temperament traits and its association with visual lateralisation in oval squid (Sepioteuthis lessoniana) 卵形鱿鱼的气质特征及其与视觉偏侧化的关系
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-05-01 Epub Date: 2025-04-29 DOI: 10.1016/j.beproc.2025.105206
Yuma Sakurai , Yuzuru Ikeda
{"title":"Evaluation of temperament traits and its association with visual lateralisation in oval squid (Sepioteuthis lessoniana)","authors":"Yuma Sakurai ,&nbsp;Yuzuru Ikeda","doi":"10.1016/j.beproc.2025.105206","DOIUrl":"10.1016/j.beproc.2025.105206","url":null,"abstract":"<div><div>Many animals feature a left-right asymmetry of brain, morphological structure, and behaviour, namely, lateralisation, which exhibits individual variation within the same population and species. Such variation of lateralisation may be one of mechanisms underlying temperament traits, which is defined by consistent between-individual variation in behaviour across time and/or contexts. Coleoid cephalopods exhibits the individual variation of lateralisation and temperament traits, but it is unrevealed whether there are associations between them. This study investigated whether visual lateralization is associated with temperament traits in oval squid <em>Sepioteuthis lessoniana</em> that exhibits individual variation of visual lateralization. The visual lateralisation was tested for eye preference against prey, predator, and conspecifics. The temperament traits were tested for activity, aggressiveness, exploration-avoidance, shyness-boldness, and sociability. Although activity, aggressiveness, exploration-avoidance, and shyness-boldness showed between-individual consistency, sociability did not show this trend. Moreover, there was not association among temperament traits, suggesting that these traits are independent. The direction of visual lateralisation (left or right) against prey, predator, and conspecifics was positively associated with aggressiveness, exploration-avoidance, and shyness-boldness. The strength of visual lateralisation (stronger or weaker) against prey was positively associated with aggressiveness. We discuss what those associations play a role in oval squid.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"228 ","pages":"Article 105206"},"PeriodicalIF":1.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143898805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crossbreeding between green genetically modified and wild zebrafish generates a more anxious and less sociable strain 绿色转基因斑马鱼和野生斑马鱼的杂交产生了一种更焦虑、更不善于交际的品种
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-05-01 Epub Date: 2025-04-30 DOI: 10.1016/j.beproc.2025.105203
Augusto Monteiro de Souza , Heron Charles Arruda Gurgel , João Vitor de Borba , Denis Broock Rosemberg , Ana Carolina Luchiari
{"title":"Crossbreeding between green genetically modified and wild zebrafish generates a more anxious and less sociable strain","authors":"Augusto Monteiro de Souza ,&nbsp;Heron Charles Arruda Gurgel ,&nbsp;João Vitor de Borba ,&nbsp;Denis Broock Rosemberg ,&nbsp;Ana Carolina Luchiari","doi":"10.1016/j.beproc.2025.105203","DOIUrl":"10.1016/j.beproc.2025.105203","url":null,"abstract":"<div><div>Behavioral differences can be artificially selected through the selection of morphological traits, particularly for the ornamental trade. Zebrafish (<em>Danio rerio</em>) genetically modified for ornamental purposes may accidentally hybridize, leading to the emergence of novel strains. Here, we evaluated potential behavioral differences between wild-type (WT) zebrafish and green wild-type (G-WT) zebrafish, a hybrid resulting from the crossbreeding of WT with a genetically modified green ornamental strain. We conducted a novel tank diving test, a sociability test, and an open field test, to assess anxiety-like behavior and locomotor activity, sociability, and establishment of homebase, respectively. The behavioral tests were chosen based on the zebrafish behavioral repertoire, a very active fish, highly social and explorative. Twenty-six hybrid fish were used, with 13 exhibiting normal color patterns (WT) and 13 showing greenish color patterns (G-WT). No difference was observed in locomotor in the novel tank patterns (average speed, distance traveled) and open field (homebase occupation and exploration) tests between the WT and G-WT groups. G-WT zebrafish presented higher anxiety-like behavior in the novel tank (increased time spent at the bottom). In the sociability test, the G-WT group spent less time in the conspecific area and kept higher distance from the social area, indicating reduced sociability compared to WT zebrafish. In conclusion, our results suggest that the hybridization between genetically modified and wild zebrafish may impact population dynamics, compromising social stability and increasing individual stress levels.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"228 ","pages":"Article 105203"},"PeriodicalIF":1.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143918026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Consistency of cognitive performance in spatial navigation and its link to activity and boldness in laboratory rats 实验室大鼠空间导航认知表现的一致性及其与活动和大胆度的联系
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-05-01 Epub Date: 2025-04-29 DOI: 10.1016/j.beproc.2025.105205
Veronika Rudolfová , Eliška Antošová , Tomáš Petrásek , Karel Valeš , Eva Landová , Daniel Frynta , Tereza Nekovářová
{"title":"Consistency of cognitive performance in spatial navigation and its link to activity and boldness in laboratory rats","authors":"Veronika Rudolfová ,&nbsp;Eliška Antošová ,&nbsp;Tomáš Petrásek ,&nbsp;Karel Valeš ,&nbsp;Eva Landová ,&nbsp;Daniel Frynta ,&nbsp;Tereza Nekovářová","doi":"10.1016/j.beproc.2025.105205","DOIUrl":"10.1016/j.beproc.2025.105205","url":null,"abstract":"<div><div>Even though cognitive testing in animals is widespread, many issues remain open – for example the influence of behavioural parameters on cognitive performance, stability of cognitive performance upon repeated testing, or comparability of cognitive variables across different tasks (i.e. cross-contextual consistency). In this study we tested thirty six male Long Evans laboratory rats and assessed their cognitive performance in two standard tasks of spatial navigation – Active allothetic place avoidance and Morris water maze test. Using multivariate analyses, we detected different aspects of cognition within these complex tasks (the ability to learn fast, cognitive flexibility, general ability to solve a task successfully). We found that consistency of cognitive performance in these two tasks (estimates of cognitive repeatability) differed substantially, reflecting differences in the experimental procedures. Moreover, we inspected cognitive performance of the animals in more detail by creating a correlation matrix of factors derived from these procedures. Nevertheless, we found no correlation and therefore no indication of a general cognitive ability in spatial navigation using these two tasks. In addition, we found no link between personality and cognition when correlating cognitive performance of the animals with parameters from personality tests, which were derived from a previous study conducted on the same animals. These findings highlight a task-dependent nature of cognitive performance in these two tasks of spatial navigation and suggest that general cognitive ability in spatial navigation may not be reliably inferred from these two tasks, while also indicating no evident link between cognition and personality in this context.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"228 ","pages":"Article 105205"},"PeriodicalIF":1.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143906913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Pavlovian, conditioned-reinforcement approach to reducing impulsive choice 减少冲动选择的巴甫洛夫条件强化方法
IF 1.3 4区 生物学
Behavioural Processes Pub Date : 2025-05-01 Epub Date: 2025-05-10 DOI: 10.1016/j.beproc.2025.105208
Katherine C. Garland, Gregory J. Madden
{"title":"A Pavlovian, conditioned-reinforcement approach to reducing impulsive choice","authors":"Katherine C. Garland,&nbsp;Gregory J. Madden","doi":"10.1016/j.beproc.2025.105208","DOIUrl":"10.1016/j.beproc.2025.105208","url":null,"abstract":"<div><div>Persistent impulsive choice, preference for a smaller-sooner over a larger-later reward, is associated with consequential life outcomes. Procedures that reduce nonhuman impulsive choice often have long training durations that reduce their translational utility. This experiment sought to alter the behavioral function of the stimulus rats encountered during the delay to the larger-later reward. That putatively aversive delay-signaling stimulus was given an appetitive function through Pavlovian conditioning. Forty Long-Evans rats (20 male) were randomly assigned to undergo Pavlovian training (lever-CS precedes food delivery by 8 s), and the other half underwent unpaired training (CS uncorrelated with food). During the test of impulsive choice that followed, choosing the larger-later reward produced 10-s access to the CS during the 20-s delay to that reward. Pavlovian training significantly increased larger-later reward choice relative to rats in the Unpaired group. The large effect size and ease of training are discussed in the context of potential translational research.</div></div>","PeriodicalId":8746,"journal":{"name":"Behavioural Processes","volume":"228 ","pages":"Article 105208"},"PeriodicalIF":1.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143935195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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