Journal of Comparative Psychology最新文献

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The effect of delta-9 tetrahydrocannabinol and methamphetamine on sustained attention in the jumping spider (Trite planiceps). δ -9四氢大麻酚和甲基苯丙胺对跳蛛持续注意力的影响。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-12-12 DOI: 10.1037/com0000396
Bonnie Humphrey, Michelle Glass, Jonathan Hill, Amy J Osborne, Daniel B Stouffer, Alexandra Noble, William S Helton, Shuli Chen, Ximena J Nelson
{"title":"The effect of delta-9 tetrahydrocannabinol and methamphetamine on sustained attention in the jumping spider (Trite planiceps).","authors":"Bonnie Humphrey, Michelle Glass, Jonathan Hill, Amy J Osborne, Daniel B Stouffer, Alexandra Noble, William S Helton, Shuli Chen, Ximena J Nelson","doi":"10.1037/com0000396","DOIUrl":"https://doi.org/10.1037/com0000396","url":null,"abstract":"<p><p>Decreasing responsiveness to repeated visual stimuli (i.e., the inability to sustain attention) in jumping spiders (Salticidae) parallels that found in humans. In humans, drugs affect vigilance, and previous work on salticids has shown that the \"vigilance decrement\" is unlikely to be sensory habituation and that caffeine ameliorates reductions in attention. We exposed <i>Trite planiceps</i> to delta-9 tetrahydrocannabinol (THC) and methamphetamine before presenting them with a repeated visual stimulus. In the THC experiment, spiders were given a THC solution, water, or a vehicle solution, using a within-subjects design. The orienting response (i.e., \"interest\") of salticids on a track ball to face a fly stimulus presented peripherally on a monitor was scored, as well as \"general movement\" (e.g., walking, as a control for physical fatigue) and \"no movement.\" The methamphetamine experiment was identical except that salticids were given methamphetamine solution or water. In both the THC and methamphetamine treatments, general movement dropped over time, while in control treatments, this was constant. Additionally, due to an initial stimulating effect of methamphetamine on interest, the response decrement was significantly steeper when spiders were administered methamphetamine compared with water. Our results suggest that the modulation of sustained attention, and possibly motivation, is likely in salticids. basic local alignment search tool genome queries on a closely related species and pharmacological radioligand experiments suggested that salticids do not possess cannabinoid receptors, but the presence of transient receptor potential proteins may help explain the small behavioral changes observed with THC. In contrast, how methamphetamine affects salticids remains unknown. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142820378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of resource-associated signals on producer responses: Insights from golden fish (Carassius auratus) and an agent-based model. 资源相关信号对生产者反应的影响:来自金鱼(Carassius auratus)和基于主体的模型的见解。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-12-05 DOI: 10.1037/com0000400
Laurent Avila-Chauvet, Juan Elenes-Rivera, Diana Mejía Cruz, Yancarlo L Ojeda Aguilar
{"title":"Effect of resource-associated signals on producer responses: Insights from golden fish (Carassius auratus) and an agent-based model.","authors":"Laurent Avila-Chauvet, Juan Elenes-Rivera, Diana Mejía Cruz, Yancarlo L Ojeda Aguilar","doi":"10.1037/com0000400","DOIUrl":"https://doi.org/10.1037/com0000400","url":null,"abstract":"<p><p>In social foraging situations, some group members actively engage in behaviors associated with searching for patch zones (produce), while others join previously discovered patch zones (scrounge). Pavlovian conditioning enables individuals to anticipate a biologically significant event or unconditioned stimulus, such as resource availability, when paired with another event, such as a blue light, also known as a conditioned stimulus (CS). Considering that individuals' prior experiences with habitat features may influence their preference for producer or scrounger responses, this study aims to assess the impact of resource-associated signals on the group produce index. Specifically, the study seeks to (a) outline a setup for goldfish (<i>Carassius auratus</i>) incorporating renewable patch zones, (b) evaluate the CS's effect on the proportion of producers, and (c) develop an agent-based model capturing the CS's effect on the proportion of producers. Eight goldfish were used, with half undergoing a delayed Pavlovian acquisition protocol. Pavlovian-trained and control fish were assessed under signal and nonsignal conditions. The findings reveal that the producer index in the signal condition was higher for the Pavlovian group than the control group. To simulate conditions to those observed in fish, we developed an agent-based model where Pavlovian agents oriented themselves toward the nearest patch zone when the CS was present. The results mirrored those observed in fish, indicating an advantage derived from preexposure to the CS. This study contributes to the investigation of individual disparities and the impact of learning within the framework of the producer-scrounger game. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cyclical variations in acoustic features within the song sessions of humpback whales (Megaptera novaeangliae). 座头鲸(Megaptera novaeangliae)唱歌过程中声学特征的周期性变化。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-12-05 DOI: 10.1037/com0000401
Eduardo Mercado, Mary Ryan, Mariam Ashour, Gala Krsmanovic, Samantha McAllister, Christina E Perazio, Julia Hyland Bruno
{"title":"Cyclical variations in acoustic features within the song sessions of humpback whales (Megaptera novaeangliae).","authors":"Eduardo Mercado, Mary Ryan, Mariam Ashour, Gala Krsmanovic, Samantha McAllister, Christina E Perazio, Julia Hyland Bruno","doi":"10.1037/com0000401","DOIUrl":"10.1037/com0000401","url":null,"abstract":"<p><p>Song sessions produced by humpback whales recorded off the coasts of Hawaii and Colombia show recurrent patterns of acoustic variation across consecutive songs. Analyses of intra-individual variations within continuous song sessions revealed that songs consistently cycled through stages of acoustic complexity. At time scales spanning tens of minutes, cyclical variations likely reflected the diving behavior of singers. Changes over shorter time frames suggest that singing humpback whales may also systematically modulate the acoustic complexity of individual sounds during song production, both by gradually morphing units and by varying the number of times they repeat sound patterns. Comparable cycles were evident across years and populations. Cyclical variations within song sessions can reveal how much time and energy singers spend producing tonal versus frequency-modulated/broadband elements. Tonal components are generally more difficult to localize spatially but easier to detect over long distances, suggesting that singing humpback whales may dynamically vary sound production in ways that affect both sound transmission and auditory spatial processing. (PsycInfo Database Record (c) 2025 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beyond the information (not) given: Associative mechanisms versus representations of uncertainty in extinction in laboratory rats (Rattus norvegicus). 超越(未)给出的信息:实验鼠(Rattus norvegicus)消退过程中的联想机制与不确定性表征。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-11-11 DOI: 10.1037/com0000380
Patricia Gasalla, Jaime Figueroa, Michael R Waldmann, Dominic M Dwyer
{"title":"Beyond the information (not) given: Associative mechanisms versus representations of uncertainty in extinction in laboratory rats (Rattus norvegicus).","authors":"Patricia Gasalla, Jaime Figueroa, Michael R Waldmann, Dominic M Dwyer","doi":"10.1037/com0000380","DOIUrl":"https://doi.org/10.1037/com0000380","url":null,"abstract":"<p><p>Associative learning models typically reflect statistical relationships between experienced events. Causal models can go beyond this information to specify the ways in which events are related. This meta-representational aspect of causal models allows them to reflect uncertainty about relationships between events: for example, if a light initially leads to sucrose but subsequently the light is experienced without sucrose, this might first support formation of a light-causes-sucrose model and subsequently lead to uncertainty over whether the model remained accurate. Prior studies of Pavlovian conditioning in rats manipulated sucrose-magazine access during extinction to produce uncertainty about reward presence or absence. Rats were sensitive to covering of the site of reward delivery, which was interpreted as evidence for a causal-model account reflecting uncertainty. However, associative accounts-based on the direct impact of the dipper mechanism used to deliver sucrose through secondary reinforcement or contextual renewal of responding-can also explain the results. In two new experiments, manipulation of the dipper mechanism through extinction and test phases resulted in behavior consistent with these associative accounts. However, demonstration of the importance of the sucrose dipper suggests that the reward delivery mechanism should be included in a causal model. Such a revised causal model also provides an account of the impact of manipulating the sucrose dipper. While these experiments do not conclusively decide between associative and causal models as explanations of rodent behavior, they do illustrate the value of incremental experimental study and the importance of methodological detail in addressing questions of comparative cognition. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142632957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hearing "number"? Relative quantity judgments through the echolocation by bottlenose dolphins (Tursiops truncatus). 听到 "数字"?瓶鼻海豚(Tursiops truncatus)通过回声定位进行的相对数量判断。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-11-01 Epub Date: 2024-11-07 DOI: 10.1037/com0000379
Natsuko Sakurai, Masaki Tomonaga
{"title":"Hearing \"number\"? Relative quantity judgments through the echolocation by bottlenose dolphins (Tursiops truncatus).","authors":"Natsuko Sakurai, Masaki Tomonaga","doi":"10.1037/com0000379","DOIUrl":"10.1037/com0000379","url":null,"abstract":"<p><p>Dolphins are known to recognize their environment through echolocation. Previous studies have reported that they can discriminate the shape, size, thickness, and even material of objects through echolocation. However, little is known about the discrimination of quantities other than size and thickness (e.g., the number of objects). It is also unclear whether Weber's law (i.e., ratio dependency) holds for quantity discrimination through echolocation. In this study, we examined relative quantity judgments of visually occluded objects presented underwater by bottlenose dolphins. We found that they could discriminate pairs of same-sized objects ranging from one to eight, with performance improving as the difference ratio between the two numbers increased. In addition, their performance also improved as the magnitude of the number of objects involved increased. An additional test revealed that the accuracy of discrimination through echolocation was comparable to that of visual relative quantity judgments of the objects presented above water. On the other hand, under the condition that the overall size of each object (i.e., the sum of areas) was incongruent with the number of objects, performance was lower than when number and size were covarying. However, even within the incongruent condition, the effect of the number ratio was still observed, suggesting that the dolphins might have used various types of quantity information, such as number and size, flexibly to solve the task. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":" ","pages":"214-231"},"PeriodicalIF":1.1,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142606989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
What is it like to hear quantities? Testing dolphins on classic number estimation using a sonar setup. 听到数量是什么感觉?用声纳装置测试海豚对经典数字的估计。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-11-01 DOI: 10.1037/com0000403
Alice Auersperg
{"title":"What is it like to hear quantities? Testing dolphins on classic number estimation using a sonar setup.","authors":"Alice Auersperg","doi":"10.1037/com0000403","DOIUrl":"https://doi.org/10.1037/com0000403","url":null,"abstract":"<p><p>The featured article by Sakurai and Tomonaga (2024) in this issue has set out to test to what extent dolphins can estimate relative differences between pairs of object numbers by echolocation. For this they used three consecutive experiments with multiple controls and compared their data statistically to existing data from visual experiments done on other species. Previous studies already indicate that dolphins can visually estimate relative numerosity (e.g., Jaakkola et al., 2005; Yaman et al., 2012). Therefore, the goal of the present study was to investigate the dolphin's capacity to apply Weber's law (quantity judgments are more accurate proportional to the quantities investigated) to two sets of object quantities under sonar evaluation. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":"138 4","pages":"211-213"},"PeriodicalIF":1.1,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142830862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cross-modal perception of puppies and adult conspecifics in dogs (Canis familiaris). 狗对幼犬和成年同类的跨模态感知。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-11-01 Epub Date: 2024-09-19 DOI: 10.1037/com0000385
Yuri Kawaguchi, Zsófia Virányi, Tamás Faragó, Ludwig Huber, Christoph J Völter
{"title":"Cross-modal perception of puppies and adult conspecifics in dogs (Canis familiaris).","authors":"Yuri Kawaguchi, Zsófia Virányi, Tamás Faragó, Ludwig Huber, Christoph J Völter","doi":"10.1037/com0000385","DOIUrl":"10.1037/com0000385","url":null,"abstract":"<p><p>Understanding conspecifics' age classes is crucial for animals, facilitating adaptive behavioral responses to their social environment. This may include gathering and integrating information through multiple modalities. Using a cross-modal preferential-looking paradigm, we investigated whether dogs possess a cross-modal mental representation of conspecific age classes. In Experiment 1, dogs were presented with images of an adult dog and a puppy projected side by side on a wall while a vocalization of either an adult dog or a puppy was played back simultaneously. To test the effect of relative body size between adult dog and puppy images, two size conditions (natural size and same size) were employed for visual stimuli. We examined dogs' looking behavior in response to cross-modally matched versus mismatched stimuli. We predicted that if dogs have cross-modal representations of age classes, they would exhibit prolonged attention toward matched images compared to mismatched ones. In Experiment 2, we administered the same paradigm within an eye-tracking experiment to further improve the measurement quality of dogs' looking times. However, dogs' looking times in either experiment did not demonstrate significant differences based on the match or mismatch between image and vocalization. Instead, we observed a size effect, indicating dogs' increased attention toward larger adult dog images compared to smaller puppy images. Consequently, we found no evidence of cross-modal representation of age class in dogs. Nonetheless, we found increased looking time and pupil size upon hearing puppy vocalizations compared to adult vocalizations in Experiment 2, suggesting that dogs exhibited heightened arousal when hearing puppy whining. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":" ","pages":"246-258"},"PeriodicalIF":1.1,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142301301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differences in paradoxical choice between pigeons (Columba livia) and rats (Rattus norvegicus): The problem of cue trackability. 鸽子(Columba livia)和大鼠(Rattus norvegicus)之间矛盾选择的差异:线索的可追踪性问题。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-11-01 Epub Date: 2024-05-16 DOI: 10.1037/com0000386
Patrick Anselme, Aaron P Blaisdell
{"title":"Differences in paradoxical choice between pigeons (Columba livia) and rats (Rattus norvegicus): The problem of cue trackability.","authors":"Patrick Anselme, Aaron P Blaisdell","doi":"10.1037/com0000386","DOIUrl":"10.1037/com0000386","url":null,"abstract":"<p><p>Organisms are believed to attempt to maximize their net energy intake while foraging. The paradoxical choice task shows that they may instead prefer to obtain information rather than primary reward when the outcome is uncertain. That is, they prefer stimuli that consistently predict food or no food (informative option), to stimuli that inconsistently predict both food and no food in larger amounts (noninformative option). This task also seems to indicate that some species (like pigeons, <i>Columba livia,</i> and starlings, <i>Sturnus vulgaris</i>) are more prone to choose the informative option, while other species (like rats, <i>Rattus norvegicus</i>, and humans, <i>Homo sapiens</i>) tend to favor reward procurement through the noninformative option. There is empirical evidence for and against this view. However, an analysis of the literature suggests that species differences in paradoxical choice might be less pronounced than often believed. We argue that pigeons and rats are usually not tested under conditions that are motivationally equivalent for both species-in particular, the opportunities to track consistent stimulus-food pairings are less often met in the rat studies than in the pigeon studies. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":" ","pages":"276-288"},"PeriodicalIF":1.1,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140946463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Serial pattern learning: Pigeons (Columba livia) prefer an improving schedule over an initially easier fixed ratio schedule. 连续模式学习:鸽子(Columba livia)更喜欢改进的时间表,而不是最初更容易的固定比例时间表。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-11-01 DOI: 10.1037/com0000383
Miri Ifraimov, Daniel N Peng, Thomas R Zentall
{"title":"Serial pattern learning: Pigeons (Columba livia) prefer an improving schedule over an initially easier fixed ratio schedule.","authors":"Miri Ifraimov, Daniel N Peng, Thomas R Zentall","doi":"10.1037/com0000383","DOIUrl":"https://doi.org/10.1037/com0000383","url":null,"abstract":"<p><p>Serial pattern learning describes behavior in which a subject anticipates not only the time and effort needed for the next reinforcer but also the pattern of time and effort to reinforcers after the first. Chandel et al. (2021) found that pigeons left a progressive (increasing ratio) schedule earlier than would have been optimal. They argued that the pigeons anticipated the harder-to-obtain reinforcers beyond the next one. In the present experiments, pigeons were trained on a progressive schedule for which each reinforcer was successively easier to obtain. However, the initial choice was between a fixed ratio schedule (FR23) for which a reinforcer was easier to obtain than the first reinforcer on the improving progressive schedule (32 pecks). Delayed discounting theory suggests that the pigeons would prefer the FR23 because more immediate reinforcers should be preferred, whereas serial pattern learning suggests that the progressive schedule might be preferred because easier-to-obtain reinforcers would follow the initially harder 32 pecks. In Experiment 1, a preference for the fixed ratio schedule was not found, however, in Experiment 2, when the two alternatives were equated for the number of reinforcers that could be obtained on each trial, a significant preference for the improving progressive schedule was found. The results of Experiment 2 were consistent with the serial pattern learning hypothesis. The pigeons did not choose the more immediate reinforcer associated with fixed ratio alternative. Rather, they showed a preference for the improving progressive schedule for which later reinforcers would be easier to obtain. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":"138 4","pages":"232-238"},"PeriodicalIF":1.1,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142830846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The impact of training method on odor learning and generalization in dogs (Canis lupus familiaris). 训练方法对狗(Canis lupus familiaris)气味学习和泛化的影响。
IF 1.1 4区 心理学
Journal of Comparative Psychology Pub Date : 2024-10-17 DOI: 10.1037/com0000390
Lyn Caldicott, Thomas W Pike, Helen E Zulch, Victoria F Ratcliffe, Anna Wilkinson
{"title":"The impact of training method on odor learning and generalization in dogs (Canis lupus familiaris).","authors":"Lyn Caldicott, Thomas W Pike, Helen E Zulch, Victoria F Ratcliffe, Anna Wilkinson","doi":"10.1037/com0000390","DOIUrl":"10.1037/com0000390","url":null,"abstract":"<p><p>Detection dogs are required to learn and alert to multiple different odors during training and to generalize this learning to similar odors when working. They should be both sensitive to variation in the target odors and specific enough to avoid false alerts, but how readily they achieve this is likely to depend on the training method employed. The majority of agencies train by presenting single target odors in isolation, and adding additional odors consecutively, although recent research with rats suggests intermixing the target odors concurrently throughout training may be a more effective approach. This study therefore tested the relative efficacy of intermixed training in dogs. Using an odor-detection lineup, pet dogs were trained to detect two target odors, A and B. Those allocated to the \"sequential\" group were trained to criterion on odor A and then trained on odor B (or vice versa), the \"compound\" group were trained on a mixture of AB, and the \"intermixed\" group trained on A and B concurrently. Each dog was then tested on all combinations of the test stimuli (A, B, and AB), as well as combinations containing a novel interferent (AC, BC, and ABC). Results revealed that dogs trained by the intermixed method made significantly more correct (true positive) indications, and significantly fewer miss (false negative) indications than the other two methods, suggesting that intermixed training is more effective than currently used alternative training methods. Thus, for improved performance and generalization, we recommend detection dog training should use an intermixed method of training. (PsycInfo Database Record (c) 2025 APA, all rights reserved).</p>","PeriodicalId":54861,"journal":{"name":"Journal of Comparative Psychology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142481298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","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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