How Clark's nutcrackers (Nucifraga columbiana) weigh geometric cues depends on their previous experience.

abstract：:A hallmark of the human language faculty is the use of syntactic rules. The natural vocalizations of animals are syntactically simple, but several studies indicate that animals can detect and discriminate more complex structures in acoustic stimuli. However, how they discriminate such structures is often not clear. Us...

journal_title：Animal cognition

authors： van Heijningen CA,Chen J,van Laatum I,van der Hulst B,ten Cate C

更新日期：2013-03-01 00:00:00

abstract：:Social animals should have plenty of opportunities to learn from conspecifics, but most studies have failed to document social learning in horses. This study investigates whether young Icelandic horses can learn a spatial detour task through observation of a trained demonstrator horse of either the same age (Experimen...

journal_title：Animal cognition

authors： Rørvang MV,Ahrendt LP,Christensen JW

更新日期：2015-07-01 00:00:00

abstract：:Recent studies have shown that the neuropeptide oxytocin is involved in the regulation of several complex human social behaviours. There is, however, little research on the effect of oxytocin on basic mechanisms underlying human sociality, such as the perception of biological motion. In the present study, we investiga...

journal_title：Animal cognition

authors： Kovács K,Kis A,Kanizsár O,Hernádi A,Gácsi M,Topál J

更新日期：2016-05-01 00:00:00

abstract：:Interspecific aggression between sibling species may enhance discrimination of competitors when recognition errors are costly, but proximate mechanisms mediating increased discriminative ability are unclear. We studied behavioral and neural mechanisms underlying responses to conspecific and heterospecific vocalization...

journal_title：Animal cognition

authors： Pasch B,Sanford R,Phelps SM

更新日期：2017-03-01 00:00:00

abstract：:Nonhuman animals demonstrate a number of impressive quantitative skills such as counting sets of items, comparing sets on the basis of the number of items or amount of material, and even responding to simple arithmetic manipulations. In this experiment, capuchin monkeys were presented with a computerized task designed...

journal_title：Animal cognition

authors： Beran MJ

更新日期：2008-01-01 00:00:00

abstract：:Evolutionary theories suggest that ecology is a major factor shaping cognition in primates. However, there have been few systematic tests of spatial memory abilities involving multiple primate species. Here, we examine spatial memory skills in four strepsirrhine primates that vary in level of frugivory: ruffed lemurs ...

journal_title：Animal cognition

authors： Rosati AG,Rodriguez K,Hare B

更新日期：2014-07-01 00:00:00

abstract：:Four Grey parrots (Psittacus erithacus) were tested on their ability to obtain an item suspended from a string such that mutiple, repeated, coordinated beak-foot actions were required for success (e.g., Heinrich 1995). Those birds with little training in referential English requests (e.g. "I want X") succeeded, wherea...

journal_title：Animal cognition

authors： Pepperberg IM

更新日期：2004-10-01 00:00:00

abstract：:Some nonhuman species demonstrate metamemory, the ability to monitor and control memory. Here, we identify memory signals that control metamemory judgments in rhesus monkeys by directly comparing performance in two metamemory paradigms while holding the availability of one memory signal constant and manipulating anoth...

journal_title：Animal cognition

authors： Brown EK,Basile BM,Templer VL,Hampton RR

更新日期：2019-05-01 00:00:00

abstract：:Locating food and refuge is essential for an animal's survival. However, little is known how mammals navigate under natural conditions and cope with given environmental constraints. In a series of six experiments, I investigated landmark-based navigation in free-ranging Columbian ground squirrels (Spermophilus columbi...

journal_title：Animal cognition

authors： Vlasak AN

更新日期：2006-01-01 00:00:00

abstract：:Like humans, Old World monkeys are known to use configural face processing to distinguish among individuals. The ability to recognize an individual through the perception of subtle differences in the configuration of facial features plays an important role in social cognition. To test this ability in New World monkeys...

journal_title：Animal cognition

authors： Nakata R,Osada Y

更新日期：2012-07-01 00:00:00

abstract：:Learning abilities are exhibited by many animals, including insects. However, sedentary species are typically believed to have low capacities and requirements for learning. Despite this view, recent studies show that even such inconspicuous organisms as larval antlions, which employ an ambush predation strategy, are c...

journal_title：Animal cognition

authors： Kuszewska K,Miler K,Filipiak M,Woyciechowski M

更新日期：2016-09-01 00:00:00

abstract：:The present study aimed at evaluating possible behavioural differences between guide dogs living in a kennel and interacting with a trainer and those living in a house and interacting with a blind person and their family, when they are faced with an unsolvable task. Fifty-two Labrador retrievers were tested: 13 Traine...

journal_title：Animal cognition

authors： Scandurra A,Prato-Previde E,Valsecchi P,Aria M,D'Aniello B

更新日期：2015-07-01 00:00:00

abstract：:While the effects of lead pollution have been well studied in vertebrates, it is unclear to what extent lead may negatively affect insect cognition. Lead pollution in soils can elevate lead in plant tissues, suggesting it could negatively affect neural development of insect herbivores. We used the cabbage white butter...

journal_title：Animal cognition

authors： Philips KH,Kobiela ME,Snell-Rood EC

更新日期：2017-01-01 00:00:00

abstract：:Visual lateralization in different aspects of social behaviour has been found for numerous species of vertebrates ranging from fish to mammals. For inspection of a shoal mate, many fishes show a left eye-right hemisphere preference. Here, we tested the hypothesis that in fish, there is a key cue in the conspecific app...

journal_title：Animal cognition

authors： Karenina KA,Giljov AN,Malashichev YB

更新日期：2013-03-01 00:00:00

abstract：:This study tests whether the face-processing system of humans and a nonhuman primate species share characteristics that would allow for early and quick processing of socially salient stimuli: a sensitivity toward conspecific faces, a sensitivity toward highly practiced face stimuli, and an ability to generalize change...

journal_title：Animal cognition

authors： Neiworth JJ,Hassett JM,Sylvester CJ

更新日期：2007-04-01 00:00:00

abstract：:In Experiment 1 each rat received two different fixed series of three trials each. The unconditioned stimulus occurred on Trial 1 of one series and on Trial 3 of the other series, all other trials being nonreinforced. Previous Pavlovian investigations have shown that rats can remember the immediately prior reward outc...

journal_title：Animal cognition

authors： Martins AP,Miller RM,Capaldi EJ

更新日期：2008-01-01 00:00:00

abstract：:Pictorial representations of three-dimensional objects are often used to investigate animal cognitive abilities; however, investigators rarely evaluate whether the animals conceptualize the two-dimensional image as the object it is intended to represent. We tested for picture recognition in lion-tailed macaques by pre...

journal_title：Animal cognition

authors： Judge PG,Kurdziel LB,Wright RM,Bohrman JA

更新日期：2012-05-01 00:00:00

abstract：:Pigeons given a simultaneous spatial discrimination reversal, in which a single reversal occurs at the midpoint of each session, consistently show anticipation prior to the reversal as well as perseveration after the reversal, suggesting that they use a less effective cue (time or trial number into the session) than w...

journal_title：Animal cognition

authors： Laude JR,Pattison KF,Rayburn-Reeves RM,Michler DM,Zentall TR

更新日期：2016-01-01 00:00:00

abstract：:When trained in a rectangular arena, some research has suggested that rats are guided by local features rather than overall boundary geometry. We explored this hypothesis using the terrestrial toad, Rhinella arenarum, as a comparative contrast. In two experiments, toads were trained to find a water-reward goal locatio...

journal_title：Animal cognition

authors： Sotelo MI,Alcalá JA,Bingman VP,Muzio RN

更新日期：2020-01-01 00:00:00

abstract：:The original article shows incorrect values for 'Coef. and Robust SE' under the heading. ...

journal_title：Animal cognition

authors： Perry S

更新日期：2018-11-01 00:00:00

abstract：:Much recent comparative work has been devoted to exploring what nonhuman primates understand about physical causality. However, few laboratory experiments have attempted to test what nonhumans understand about what physical acts others are capable of performing. We tested seven chimpanzees' ability to predict which of...

journal_title：Animal cognition

authors： Vonk J,Subiaul F

更新日期：2009-03-01 00:00:00

abstract：:The zebrafish is an ideal vertebrate model for neurobehavioral studies with translational relevance to humans. Many aspects of sleep have been studied, but we still do not understand how and why sleep deprivation alters behavioral and physiological processes. A number of hypotheses suggest its role in memory consolida...

journal_title：Animal cognition

authors： Pinheiro-da-Silva J,Silva PF,Nogueira MB,Luchiari AC

更新日期：2017-03-01 00:00:00

abstract：:Scatter hoarding birds are known for their accurate spatial memory. In a previous experiment, we tested the retrieval accuracy in marsh tits in a typical laboratory set-up for this species. We also tested the performance of humans in this experimental set-up. Somewhat unexpectedly, humans performed much better than ma...

journal_title：Animal cognition

authors： Urhan AU,Brodin A

更新日期：2015-05-01 00:00:00

abstract：:Our society is sustained by wide-ranging cooperation. If individuals are sensitive to others' gains and losses as well as the amount of labor, they can ensure future beneficial cooperative interaction. However, it is still an open question whether nonhuman primates are sensitive to others' labor. We asked this questio...

journal_title：Animal cognition

authors： Takimoto A,Fujita K

更新日期：2011-09-01 00:00:00

abstract：:Learning can occur through self-experience with the environment, or through the observation of others. The latter allows for adaptive behaviour without trial-and-error, thus maximizing individual fitness. Perhaps given their mostly solitary lifestyle, cuttlefish have seldomly been tested under observational learning s...

journal_title：Animal cognition

authors： Sampaio E,Ramos CS,Bernardino BLM,Bleunven M,Augustin ML,Moura É,Lopes VM,Rosa R

更新日期：2021-01-01 00:00:00

abstract：:The ability to discriminate between different quantities is widespread throughout the animal kingdom, and the underlying mechanisms of quantity discrimination are currently intensely discussed. In contrast, questions elucidating the limits of quantity estimation received rather little attention so far. Here, we examin...

journal_title：Animal cognition

authors： Mehlis M,Thünken T,Bakker TC,Frommen JG

更新日期：2015-09-01 00:00:00

abstract：:While viewing faces, human adults often demonstrate a natural gaze bias towards the left visual field, that is, the right side of the viewee's face is often inspected first and for longer periods. Using a preferential looking paradigm, we demonstrate that this bias is neither uniquely human nor limited to primates, an...

journal_title：Animal cognition

authors： Guo K,Meints K,Hall C,Hall S,Mills D

更新日期：2009-05-01 00:00:00

abstract：:Humans and nonhuman primates can learn about the organization of stimuli in the environment using implicit sequential pattern learning capabilities. However, most previous artificial grammar learning studies with nonhuman primates have involved relatively simple grammars and short input sequences. The goal in the curr...

journal_title：Animal cognition

authors： Heimbauer LA,Conway CM,Christiansen MH,Beran MJ,Owren MJ

更新日期：2018-03-01 00:00:00

abstract：:Single-trial learning and long-term memory of "what" and "who" information were examined in an adult gorilla (Gorilla gorilla gorilla). We presented the gorilla with a to-be-remembered food item at the time of study. In Experiment 1, following a retention interval of either approximately 7 min or 24 h, the gorilla res...

journal_title：Animal cognition

authors： Schwartz BL,Colon MR,Sanchez IC,Rodriguez IA,Evans S

更新日期：2002-06-01 00:00:00

abstract：:Mechanisms underlying gesture acquisition in primates are largely unstudied, yet heavily debated. While some studies suggest that gestural repertoires are largely innate, others emphasize that gestures emerge and are shaped in social interactions with other conspecifics. There is agreement, however, regarding the negl...

journal_title：Animal cognition

authors： Liebal K,Schneider C,Errson-Lembeck M

更新日期：2019-07-01 00:00:00