Animal Cognition最新文献

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Exploring the function of greeting display in a long-term monogamous songbird, the Java sparrow 探索长期一夫一妻制鸣禽爪哇麻雀的问候功能
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-04-19 DOI: 10.1007/s10071-025-01953-2
Yuhan Zhang, Masayo Soma
{"title":"Exploring the function of greeting display in a long-term monogamous songbird, the Java sparrow","authors":"Yuhan Zhang,&nbsp;Masayo Soma","doi":"10.1007/s10071-025-01953-2","DOIUrl":"10.1007/s10071-025-01953-2","url":null,"abstract":"<div><p>Complex displays that comprise multiple behavioral elements play an essential role in the communication of group-living animals. One of them is a greeting display. Greeting is performed during the reunion after a separation, and is known for maintaining social bonds in mammals and pair bonds in monogamous fish. Greeting displays have been documented in birds, but lack functional studies. Java sparrows (<i>Lonchura oryzivora</i>) are gregarious and long-term monogamous songbird species, exhibiting a complex greeting display consisting of a sequence of four repetitive behavioral elements. We hypothesized that Java sparrow greetings function as between-pair communication in social contexts. In particular, we expected that pair-bonded partners would greet more after experiencing longer separation. In addition, we also predicted that they greet more when other conspecific individuals are nearby; as it is more important for them to confirm and advertise their commitment relationships. To test these ideas, we conducted separation-reunion tests using pair-bonded Java sparrows with different separation times (long vs. short) and different social conditions (with vs. without the presence of conspecifics). We calculated and compared the sequential complexity of the greeting displays. We showed that subject pairs performed a greater number of greeting display bouts after longer separation times. In the presence of conspecifics, greeting displays were more frequent, longer, and more complex. Our finding supports the idea that greeting displays in birds are crucial to pair-bond maintenance, contributing to understanding the evolution of complex communications in birds.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01953-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trapline foraging by nectar-collecting hornets 采蜜大黄蜂用绳索觅食
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-04-19 DOI: 10.1007/s10071-025-01952-3
Mathilde Lacombrade, Kristine Abenis, Charlotte Doussot, Loïc Goulefert, Kenji Nanba, Jean-Marc Bonzom, Mathieu Lihoreau
{"title":"Trapline foraging by nectar-collecting hornets","authors":"Mathilde Lacombrade,&nbsp;Kristine Abenis,&nbsp;Charlotte Doussot,&nbsp;Loïc Goulefert,&nbsp;Kenji Nanba,&nbsp;Jean-Marc Bonzom,&nbsp;Mathieu Lihoreau","doi":"10.1007/s10071-025-01952-3","DOIUrl":"10.1007/s10071-025-01952-3","url":null,"abstract":"<div><p>Many bees, butterflies, birds, bats and primates are known to forage on familiar plant resources by visiting them in a stable and repeatable order called “traplines”. Here we report the existence of trapline foraging in wasps, the Japanese yellow hornets. We monitored the movement patterns of wild individually marked hornets collecting sucrose solution on four artificial flowers placed in their home range. After thirty consecutive foraging bouts, all the hornets had developed a repeatable flower visitation sequence. Using two different arrays of flowers, we also show that hornets consistently increased their foraging efficiency with experience. However, they did not always use the shortest path to visit all the flowers, often favoring movements between nearest-neighbour options rather than minimizing overall travel distance. Our study thus adds nectar-foraging wasps to the list of animals that exhibit trapline foraging, thereby significantly broadening the scope for comparative research in multi-destination route learning and memory.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01952-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cognition from genes to ecology: individual differences incognition and its potential role in a social network 从基因到生态的认知:认知的个体差异及其在社会网络中的潜在作用
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-04-19 DOI: 10.1007/s10071-025-01951-4
Brian H. Smith
{"title":"Cognition from genes to ecology: individual differences incognition and its potential role in a social network","authors":"Brian H. Smith","doi":"10.1007/s10071-025-01951-4","DOIUrl":"10.1007/s10071-025-01951-4","url":null,"abstract":"<div><p>There have now been many reports of intra-colony differences in how individuals learn on a variety of conditioning tasks in both honey bees and bumble bees. Yet the fundamental mechanistic and adaptive bases for this variation have yet to be fully described. This review summarizes a long series of investigations with the honey bee (<i>Apis mellifera</i>) that had the objective of describing the factors that contribute to this variation. Selection on haploid drones for extremes in learning performance revealed that genotype accounted for much of the variance. Neither age nor behavioral caste consistently accounted for observed variation on different conditioning protocols until genotype was controlled. Two subsequent Quantitative Trait Locus mapping studies identified a locus in the honey bee genome with a significant effect on the learning phenotype. Pharmacological and reverse genetic approaches, combined with neurophysiological analyses, confirmed that a biogenic amine receptor for tyramine affects expression of the trait. This work allowed for development of a hypothetical model of how that receptor functions in the brain to produce broad pleiotropic effects on behavior. Subsequent work used genotype as a treatment condition for evaluation of the variation under quasi-natural conditions, which revealed that individual variation reflects how foragers weigh known and novel resources in decision making. This work, together with other studies of individual differences, suggests a unifying framework for understanding how and why individuals differ in cognitive abilities.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01951-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Domestic dogs (Canis familiaris) recognise meaningful content in monotonous streams of read speech 家犬(Canis familiaris)从单调的朗读语流中识别有意义的内容
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-04-12 DOI: 10.1007/s10071-025-01948-z
Holly Root-Gutteridge, Anna Korzeniowska, Victoria Ratcliffe, David Reby
{"title":"Domestic dogs (Canis familiaris) recognise meaningful content in monotonous streams of read speech","authors":"Holly Root-Gutteridge,&nbsp;Anna Korzeniowska,&nbsp;Victoria Ratcliffe,&nbsp;David Reby","doi":"10.1007/s10071-025-01948-z","DOIUrl":"10.1007/s10071-025-01948-z","url":null,"abstract":"<div><p>Domestic dogs (<i>Canis familiaris</i>) can recognize basic phonemic information from human speech and respond to commands. Commands are typically presented in isolation with exaggerated prosody known as dog-directed speech (DDS) register. Here, we investigate whether dogs can spontaneously identify meaningful phonemic content in a stream of putatively irrelevant speech spoken in monotonous prosody, without congruent prosodic cues. To test this ability, dogs were played recordings of their owners reading a meaningless text which included a short meaningful or meaningless phrase, either read with unchanged reading prosody or with an exaggerated DDS prosody. We measured the occurrence and duration of dogs’ gaze at their owners. We found that, while dogs were more likely to detect and respond to inclusions that contained meaningful phrases spoken with DDS prosody, they were still able to detect these meaningful inclusions spoken in a neutral reading prosody. Dogs detected and responded to meaningless control phrases in DDS as frequently as to meaningful content in neutral reading prosody, but less often than to meaningful content in DDS. This suggests that, while DDS prosody facilitates the detection of meaningful content in human speech by capturing dogs’ attention, dogs are nevertheless capable of spontaneously recognizing meaningful phonemic content within an unexaggerated stream of speech.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01948-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143821905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The heritability of spatial memory and caching behaviour in a food-storing bird 储存食物的鸟类空间记忆和缓存行为的遗传性
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-04-10 DOI: 10.1007/s10071-025-01950-5
Tas I.F. Vámos, Ella McCallum, Rachael C. Shaw
{"title":"The heritability of spatial memory and caching behaviour in a food-storing bird","authors":"Tas I.F. Vámos,&nbsp;Ella McCallum,&nbsp;Rachael C. Shaw","doi":"10.1007/s10071-025-01950-5","DOIUrl":"10.1007/s10071-025-01950-5","url":null,"abstract":"<div><p>Research examining how cognitive traits evolve in the wild has focussed on finding evidence of the ‘Darwinian holy trinity’– consistent individual variation in cognitive performance that is linked to fitness and has a heritable component. In food-storing birds, there is growing evidence of selection for more accurate spatial memory performance. However, for selection to act on variation in spatial memory performance, it must also have a genetic component. In this study, we used Bayesian animal models to evaluate the heritability of memory performance in a spatial reference memory task in a population of wild toutouwai (North Island robin, <i>Petroica longipes</i>). We also estimated the heritability of variation in measures of the caching behaviour that spatial memory theoretically underpins. We found little evidence of heritability in either spatial memory performance or caching measures, as credible intervals were large with lower bounds close to zero. This result could suggest that individual variation in memory performance and caching behaviour may be primarily due to non-genetic factors. For example, variation in toutouwai spatial memory could be shaped largely by the cognitive demands of altering caching decisions in response to cache theft risk. In this scenario, the underlying mechanisms determining and linking spatial memory and caching behaviour would need to be reconsidered. Alternatively, the large credible intervals for our heritability estimates may be an artefact of small sample size. Therefore, to progress our understanding of how cognition evolves, it is crucial to establish long-term studies in the wild to collect cognitive performance data from as many individuals as possible over successive generations, with the goal of increasing the reliability of heritability estimates.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01950-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143809220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using differential reinforcement and extinction to increase specificity in cheetah scat detection dogs 利用不同的强化和消除来提高猎豹粪便检测犬的特异性
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-04-01 DOI: 10.1007/s10071-025-01947-0
Kayla Fratt, Rachel Hamre, Mary Burak, Noreen Mutoro, Heather Nootbaar, Mary Wykstra
{"title":"Using differential reinforcement and extinction to increase specificity in cheetah scat detection dogs","authors":"Kayla Fratt,&nbsp;Rachel Hamre,&nbsp;Mary Burak,&nbsp;Noreen Mutoro,&nbsp;Heather Nootbaar,&nbsp;Mary Wykstra","doi":"10.1007/s10071-025-01947-0","DOIUrl":"10.1007/s10071-025-01947-0","url":null,"abstract":"<div><p>Detection dogs are trained using limited samples and then expected to generalize this ability to recognize wild samples while maintaining specificity to a target category. Such specificity is critical because dogs are often used to locate targets that are difficult to visually identify. Little is known about how to regain target specificity when false alerts become frequent or established. This case study assessed the training of two conservation dogs that alerted to off-target caracal (<i>Caracal caracal</i>) and leopard (<i>Panthera pardus</i>) scat samples during training to detect cheetah (<i>Acinonyx jubatus</i>) scat. The dogs were trained using an extinction-based differential reinforcement protocol consisting of the non delivery of reinforcement to reduce false alerts to caracal and leopard scats while maintaining sensitivity to cheetah scats. All training was conducted in situ in Samburu County, Kenya, by local handlers under the guidance of trainers. Sessions were filmed and coded for false alerts, true alerts, and where possible, misses and correct dismissals. Within four training sessions, both dogs exhibited an extinction burst demonstrated by an increase and then decrease in both the number and duration of false alerts. They continued to make fewer false alerts for the remainder of the training program. These results demonstrate the ability to reduce false alerts in operational detection dogs via extinction coupled with systematic reinforcement of desired behaviors. This case study highlights the importance of record-keeping and handling protocols for training samples. To our knowledge, this study represents the first publication on an extinction protocol to reduce false alerts in detection dogs.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01947-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143740798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Turn-taking in grooming interactions of chimpanzees (Pan troglodytes schweinfurthii) in the wild: the role of demographic and social factors 野生黑猩猩(Pan troglodytes schweinfurthii)梳理相互作用中的轮流:人口统计学和社会因素的作用
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-03-24 DOI: 10.1007/s10071-025-01940-7
Kayla Kolff, Simone Pika
{"title":"Turn-taking in grooming interactions of chimpanzees (Pan troglodytes schweinfurthii) in the wild: the role of demographic and social factors","authors":"Kayla Kolff,&nbsp;Simone Pika","doi":"10.1007/s10071-025-01940-7","DOIUrl":"10.1007/s10071-025-01940-7","url":null,"abstract":"<div><p>Cooperative turn-taking, a fundamental characteristic of human social interaction, has been postulated as a crucial mechanism for language emergence and is observed across the primate lineage. However, relatively little is known about the influence of demographic and social factors on turn-taking. As according to the sociolinguistic <i>Communication Accommodation Theory</i>, individuals adapt their communication according to their recipient characteristics, which may shape turn-taking. Thus, we aimed to gain insights into the factors (age, relatedness, dominance rank, and social bonds) in relation to the turn-taking infrastructure of one of our closest living relatives, the chimpanzee (<i>Pan troglodytes schweinfurthii</i>) of the Ngogo population in Kibale National Park, Uganda. We specifically focused on a cooperative context, grooming, including gestures and actions, and collected data over nine months (September 2021 to June 2022) involving 42 male chimpanzees. We analysed 311 grooming interactions among 157 dyads concerning the role of demographic and social factors in turn transition infrastructure, turn transition types, and temporal relationships. Our findings demonstrated that turn transitions and types were influenced by age and dominance rank, whereas social bonds and relatedness did not exhibit effects. Specifically, the probability of turn transitions was higher for older initiators and lower-ranking or younger recipients. These effects varied across turn transition types, where initiator’s dominance rank and relatedness showed no effects on any type. In addition, no effect was found for the temporal relationships. Although the social dynamics of turn-taking remain largely unexplored across both human and non-human studies, our findings suggest that turn-taking can occur selectively between certain individuals, in line with the <i>Communication Accommodation Theory</i>, underscoring the need for greater focus on investigating how demographic and social factors shape turn-taking.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01940-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143676233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decoding food solicitation techniques applied by free-ranging Hanuman langurs residing in an urban habitat 解码居住在城市栖息地的自由放养的哈努曼叶猴的食物征求技术
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-03-19 DOI: 10.1007/s10071-024-01925-y
Dishari Dasgupta, Arnab Banerjee, Akash Dutta, Shohini Mitra, Debolina Banerjee, Rikita Karar, Srijita Karmakar, Aparajita Bhattacharya, Swastika Ghosh, Pritha Bhattacharjee, Manabi Paul
{"title":"Decoding food solicitation techniques applied by free-ranging Hanuman langurs residing in an urban habitat","authors":"Dishari Dasgupta,&nbsp;Arnab Banerjee,&nbsp;Akash Dutta,&nbsp;Shohini Mitra,&nbsp;Debolina Banerjee,&nbsp;Rikita Karar,&nbsp;Srijita Karmakar,&nbsp;Aparajita Bhattacharya,&nbsp;Swastika Ghosh,&nbsp;Pritha Bhattacharjee,&nbsp;Manabi Paul","doi":"10.1007/s10071-024-01925-y","DOIUrl":"10.1007/s10071-024-01925-y","url":null,"abstract":"<div><p>Urbanization has drastically altered natural habitats, forcing non-human primates (NHPs) to adapt to human-modified environments. This study examines one such adaptation undertaken by free-ranging Hanuman langurs residing in Dakshineswar, a temple area and a tourist hub in West Bengal. Our observations reveal that they have come up with solicitation behaviors resembling human begging wherein they ask for food from nearby humans using various gestures. Notably, we identified seven distinct ‘begging’ gestures, with those involving embracing human legs and pulling their clothes having strong correlation with successful outcome. Moreover, adult female langurs predominantly initiate such gestures, with successful solicitation events peaking during evening sessions. The findings underscore langurs' adaptive capacity to exploit anthropogenic resources, where they have started to associate human beings as their food source. This study sheds light on primate behavior in urban landscapes, adding further evidence to the complex dynamics of human-monkey interactions<b>.</b></p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-024-01925-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143655282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Learning from eavesdropping on human-human encounters changes feeding location choice in horses (Equus Caballus) 通过偷听人与人之间的接触来学习改变马的喂食地点选择(马)
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-03-17 DOI: 10.1007/s10071-025-01946-1
Konstanze Krueger, Anika Roll, Anna J. Beyer, Angela Föll, Maren Bernau, Kate Farmer
{"title":"Learning from eavesdropping on human-human encounters changes feeding location choice in horses (Equus Caballus)","authors":"Konstanze Krueger,&nbsp;Anika Roll,&nbsp;Anna J. Beyer,&nbsp;Angela Föll,&nbsp;Maren Bernau,&nbsp;Kate Farmer","doi":"10.1007/s10071-025-01946-1","DOIUrl":"10.1007/s10071-025-01946-1","url":null,"abstract":"<div><p>When animals observe human signals, they may learn from them. Such learning from humans has been reported for intentional communication between humans with animals, but animals might also learn socially by observing unintentional information transfer when eavesdropping on humans-human encounters. In this study, 12 of 17 horses significantly changed their preference for a feeding location after observing approval in a human-human interaction there, and horses kept in social housing adapted in a higher percentage of trials to human-human demonstrations than those in individual housing. This indicates, for the first time, that some animals change their feeding strategies after eavesdropping on human-human demonstrations and that this adaptation may be dependent on social experience. As horses maintained the observed preference for a feeding location when the demonstrators were absent, we suggest that they learned by applying individual and social learning mechanisms. The horses social rank, age and sex did not affect their learning performance. However, particular demonstrators tended to have a stronger impact on the horses’ performance. Future research should further investigate the durability of this preference change in the absence of repeated demonstrations, and establish whether long-term social learning sets in. This would have important implications for unintentional long-term impacts of human interactions on interspecies communication.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01946-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143632570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Common marmosets (Callithrix jacchus) excel in a one-trial spatial memory test, yet perform poorly in a classical memory task 普通狨猴(Callithrix jacchus)在单次空间记忆测试中表现出色,但在经典记忆任务中表现不佳
IF 1.9 2区 生物学
Animal Cognition Pub Date : 2025-03-17 DOI: 10.1007/s10071-025-01944-3
Sandro Sehner, Flávia Mobili, Erik P. Willems, Judith M. Burkart
{"title":"Common marmosets (Callithrix jacchus) excel in a one-trial spatial memory test, yet perform poorly in a classical memory task","authors":"Sandro Sehner,&nbsp;Flávia Mobili,&nbsp;Erik P. Willems,&nbsp;Judith M. Burkart","doi":"10.1007/s10071-025-01944-3","DOIUrl":"10.1007/s10071-025-01944-3","url":null,"abstract":"<div><p>When quantifying animal cognition, memory represents one of the most tested domains and is key to understanding cognitive evolution. Memory tests thus play an important role in comparative cognitive research, yet slight variations in the experimental settings can substantially change the outcome, questioning whether different memory tests tap into different memory systems or whether they test memory at all. Here, we first assessed memory performance of 16 common marmosets (<i>Callithrix jacchus</i>) in two distinct paradigms varying in their format and delay. First, we examined marmoset memory in a 24-h delay memory test (24 h-DMT) in which they could freely explore an environment with three novel objects of which one contained food. We examined their retention the day after, and the procedure was iterated cumulatively with previous objects remaining in the enclosure until the marmosets had to choose the correct out of 30 objects. Second, we administered a classical delayed response test (DRT) in the same animals with three objects and a maximum delay of 30 s. In the DRT, marmoset performance was poor and not better than chance after 15 s already. However, individuals excelled in the 24 h-DMT, performing above chance level after 24 h even with tenfold the number of objects to choose from compared to the DRT. Moreover, individual performances in the two tests were not correlated, and typical age effects on memory could not be detected in both experiments. Together, these results suggest that the two tests explore different domains, and that the 24 h-DMT examines long-term memory. The outcome of the DRT is more difficult to assign to memory since individuals performed only moderately even in the 0-s delay condition. This puts into question whether this task design indeed tests memory or other cognitive processes.</p></div>","PeriodicalId":7879,"journal":{"name":"Animal Cognition","volume":"28 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10071-025-01944-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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