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Dukas R, Bailey NW. Evolutionary biology of social expertise. Biol Rev Camb Philos Soc 2024. [PMID: 38946116 DOI: 10.1111/brv.13115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 07/02/2024]
Abstract
There is increasing evidence that competent handling of social interactions among conspecifics has positive effects on individual fitness. While individual variation in social competence has been appreciated, the role of long-term experience in the acquisition of superior social skills has received less attention. With the goal of promoting further research, we integrate knowledge across disciplines to assess social expertise, defined as the characteristics, skills and knowledge allowing individuals with extensive social experience to perform significantly better than novices on a given social task. We focus on three categories of social behaviour. First, animals can gain from adjusting social behaviour towards individually recognised conspecifics that they interact with on a regular basis. For example, there is evidence that some territorial animals individually recognise their neighbours and modify their social interactions based on experience with each neighbour. Similarly, individuals in group-living species learn to associate with specific group members based on their expected benefits from such social connections. Individuals have also been found to devote considerable time and effort to learning about the spatial location and timing of sexual receptivity of opposite-sex neighbours to optimise reproduction. Second, signallers can enhance their signals, and receivers can refine their response to signals with experience. In many birds and insects, individuals can produce more consistent signals with experience, and females across a wide taxonomic range can adaptively adjust mating preferences after perceiving distinct male signals. Third, in many species, individuals that succeed in reproducing encounter the novel, complex task of caring for vulnerable offspring. Evidence from a few species of mammals indicates that mothers improve in providing for and protecting their young over successive broods. Finally, for social expertise to evolve, heritable variation in social expertise has to be positively associated with fitness. Heritable variation has been shown in traits contributing to social expertise including social attention, empathy, individual recognition and maternal care. There are currently limited data associating social expertise with fitness, most likely owing to sparse research effort. Exceptions include maternal care, signal refinement, and familiarity with neighbours and group members. Overall, there is evidence that individuals in many species keep refining their social skills with experience throughout life. Hence we propose promising lines of research that can quantify more thoroughly the development of social expertise and its effects on fitness.
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Affiliation(s)
- Reuven Dukas
- Department of Psychology, Neuroscience, and Behaviour, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4K1, Canada
| | - Nathan W Bailey
- Centre for Biological Diversity, School of Biology, University of St Andrews, St Andrews, Fife, KY16 9TH, UK
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2
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Szczuka A, Sochacka-Marlowe A, Korczyńska J, Mazurkiewicz PJ, Symonowicz B, Kukina O, Godzińska EJ. Do They Know What They Are Doing? Cognitive Aspects of Rescue Behaviour Directed by Workers of the Red Wood Ant Formica polyctena to Nestmate Victims Entrapped in Artificial Snares. Life (Basel) 2024; 14:515. [PMID: 38672785 PMCID: PMC11051173 DOI: 10.3390/life14040515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/05/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Ant rescue behaviour belongs to the most interesting subcategories of prosocial and altruistic behaviour encountered in the animal world. Several studies suggested that ants are able to identify what exactly restrains the movements of another individual and to direct their rescue behaviour precisely to that object. To shed more light on the question of how precise the identification of the source of restraint of another ant is, we investigated rescue behaviour of red wood ant Formica polyctena workers, using a new version of an artificial snare bioassay in which a nestmate victim bore two wire loops on its body, one (acting as a snare) placed on its petiole and an additional one on its leg. The tested ants did not preferentially direct their rescue behaviour towards the snare. Moreover, the overall strategy adopted by the most active rescuers was not limited to precisely targeted rescue attempts directed towards the snare, but consisted of frequent switching between various subcategories of rescue behaviour. These findings highlight the importance of precise identification of cognitive processes and overall behavioural strategies for better understanding of causal factors underlying animal helping behaviour in light of new facts discovered by testing of various successive research hypotheses.
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Affiliation(s)
- Anna Szczuka
- Laboratory of Ethology, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Ludwika Pasteura St. 3, PL 02-093 Warsaw, Poland; (A.S.); (A.S.-M.); (J.K.); (P.J.M.); (B.S.); (O.K.)
| | - Alicja Sochacka-Marlowe
- Laboratory of Ethology, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Ludwika Pasteura St. 3, PL 02-093 Warsaw, Poland; (A.S.); (A.S.-M.); (J.K.); (P.J.M.); (B.S.); (O.K.)
- Department of Biology and Integrated Bioscience Program, University of Akron, Akron, OH 44325, USA
| | - Julita Korczyńska
- Laboratory of Ethology, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Ludwika Pasteura St. 3, PL 02-093 Warsaw, Poland; (A.S.); (A.S.-M.); (J.K.); (P.J.M.); (B.S.); (O.K.)
| | - Paweł Jarosław Mazurkiewicz
- Laboratory of Ethology, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Ludwika Pasteura St. 3, PL 02-093 Warsaw, Poland; (A.S.); (A.S.-M.); (J.K.); (P.J.M.); (B.S.); (O.K.)
- College of Inter-Faculty Individual Studies in Mathematics and Natural Sciences (MISMaP), University of Warsaw, Stefana Banacha St. 2c, PL 02-097 Warsaw, Poland
| | - Beata Symonowicz
- Laboratory of Ethology, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Ludwika Pasteura St. 3, PL 02-093 Warsaw, Poland; (A.S.); (A.S.-M.); (J.K.); (P.J.M.); (B.S.); (O.K.)
| | - Olga Kukina
- Laboratory of Ethology, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Ludwika Pasteura St. 3, PL 02-093 Warsaw, Poland; (A.S.); (A.S.-M.); (J.K.); (P.J.M.); (B.S.); (O.K.)
- Department of Entomology, Phytopathology and Physiology, Ukrainian Research Institute of Forestry and Forest Melioration, Pushkinska St. 86, 61024 Kharkiv, Ukraine
| | - Ewa Joanna Godzińska
- Laboratory of Ethology, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Ludwika Pasteura St. 3, PL 02-093 Warsaw, Poland; (A.S.); (A.S.-M.); (J.K.); (P.J.M.); (B.S.); (O.K.)
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Jernigan CM, Freiwald WA, Sheehan MJ. Neural correlates of individual facial recognition in a social wasp. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.11.589095. [PMID: 38659842 PMCID: PMC11042187 DOI: 10.1101/2024.04.11.589095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Individual recognition is critical for social behavior across species. Whether recognition is mediated by circuits specialized for social information processing has been a matter of debate. Here we examine the neurobiological underpinning of individual visual facial recognition in Polistes fuscatus paper wasps. Front-facing images of conspecific wasps broadly increase activity across many brain regions relative to other stimuli. Notably, we identify a localized subpopulation of neurons in the protocerebrum which show specialized selectivity for front-facing wasp images, which we term wasp cells. These wasp cells encode information regarding the facial patterns, with ensemble activity correlating with facial identity. Wasp cells are strikingly analogous to face cells in primates, indicating that specialized circuits are likely an adaptive feature of neural architecture to support visual recognition.
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Affiliation(s)
- Christopher M. Jernigan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University; Ithaca, NY, 14853, USA
| | - Winrich A. Freiwald
- Laboratory of Neural Systems, The Rockefeller University, New York, NY 10065, USA
| | - Michael J. Sheehan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University; Ithaca, NY, 14853, USA
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Melet A, Leibold V, Schmitt T, Biedermann PHW. Highly diverse cuticular hydrocarbon profiles but no evidence for aggression towards non-kin in the ambrosia beetle Xyleborinus saxesenii. Ecol Evol 2024; 14:e11274. [PMID: 38654710 PMCID: PMC11036074 DOI: 10.1002/ece3.11274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 03/25/2024] [Accepted: 04/02/2024] [Indexed: 04/26/2024] Open
Abstract
Animal societies use nestmate recognition to protect against social cheaters and parasites. In most social insect societies, individuals recognize and exclude any non-nestmates and the roles of cuticular hydrocarbons as recognition cues are well documented. Some ambrosia beetles live in cooperatively breeding societies with farmed fungus cultures that are challenging to establish, but of very high value once established. Hence, social cheaters that sneak into a nest without paying the costs of nest foundation may be selected. Therefore, nestmate recognition is also expected to exist in ambrosia beetles, but so far nobody has investigated this behavior and its underlying mechanisms. Here we studied the ability for nestmate recognition in the cooperatively breeding ambrosia beetle Xyleborinus saxesenii, combining behavioural observations and cuticular hydrocarbon analyses. Laboratory nests of X. saxesenii were exposed to foreign adult females from the same population, another population and another species. Survival as well as the behaviours of the foreign female were observed. The behaviours of the receiving individuals were also observed. We expected that increasing genetic distance would cause increasing distance in chemical profiles and increasing levels of behavioural exclusion and possibly mortality. Chemical profiles differed between populations and appeared as variable as in other highly social insects. However, we found only very little evidence for the behavioural exclusion of foreign individuals. Interpopulation donors left nests at a higher rate than control donors, but neither their behaviours nor the behaviours of receiver individuals within the nest showed any response to the foreign individual in either of the treatments. These results suggest that cuticular hydrocarbon profiles might be used for communication and nestmate recognition, but that behavioural exclusion of non-nestmates is either absent in X. saxesenii or that agonistic encounters are so rare or subtle that they could not be detected by our method. Additional studies are needed to investigate this further.
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Affiliation(s)
- Antoine Melet
- Chair of Forest Entomology and Protection, Faculty of Environment and Natural ResourcesAlbert‐Ludwigs‐UniversitätFreiburgGermany
- Department of Animal Ecology and Tropical Biology, BiocentreUniversity of WürzburgWürzburgGermany
| | - Viesturs Leibold
- Department of Animal Ecology and Tropical Biology, BiocentreUniversity of WürzburgWürzburgGermany
| | - Thomas Schmitt
- Department of Animal Ecology and Tropical Biology, BiocentreUniversity of WürzburgWürzburgGermany
| | - Peter H. W. Biedermann
- Chair of Forest Entomology and Protection, Faculty of Environment and Natural ResourcesAlbert‐Ludwigs‐UniversitätFreiburgGermany
- Department of Animal Ecology and Tropical Biology, BiocentreUniversity of WürzburgWürzburgGermany
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Culbert BM, Barnett JB, Ligocki IY, Salena MG, Wong MYL, Hamilton IM, Balshine S. Colorful facial markings are associated with foraging rates and affiliative relationships in a wild group-living cichlid fish. Curr Zool 2024; 70:70-78. [PMID: 38476131 PMCID: PMC10926260 DOI: 10.1093/cz/zoac100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 12/11/2022] [Indexed: 03/14/2024] Open
Abstract
Many animals use color to signal their quality and/or behavioral motivations. Colorful signals have been well studied in the contexts of competition and mate choice; however, the role of these signals in nonsexual, affiliative relationships is not as well understood. Here, we used wild social groups of the cichlid fish Neolamprologus pulcher to investigate whether the size of a brightly colored facial patch was related to 1) individual quality, 2) social dominance, and/or 3) affiliative relationships. Individuals with larger patches spent more time foraging and tended to perform more aggressive acts against conspecific territory intruders. We did not find any evidence that the size of these yellow patches was related to social rank or body size, but dominant males tended to have larger patches than dominant females. Additionally, patch size had a rank-specific relationship with the number of affiliative interactions that individuals engaged in. Dominant males with large patches received fewer affiliative acts from their groupmates compared to dominant males with small patches. However, subordinates with large patches tended to receive more affiliative acts from their groupmates while performing fewer affiliative acts themselves. Taken together, our results suggest that patch size reflects interindividual variation in foraging effort in this cichlid fish and offer some of the first evidence that colorful signals may shape affiliative relationships within wild social groups.
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Affiliation(s)
- Brett M Culbert
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
| | - James B Barnett
- Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, Canada
| | - Isaac Y Ligocki
- Department of Evolution, Ecology, and Organismal Biology, The Ohio State University, Columbus, OH, USA
- Department of Biology, Millersville University, Millersville, PA, USA
| | - Matthew G Salena
- Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, Canada
| | - Marian Y L Wong
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, New South Wales, Australia
| | - Ian M Hamilton
- Department of Evolution, Ecology, and Organismal Biology, The Ohio State University, Columbus, OH, USA
- Department of Mathematics, The Ohio State University, Columbus, OH, USA
| | - Sigal Balshine
- Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, Canada
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Tumulty JP, Miller SE, Van Belleghem SM, Weller HI, Jernigan CM, Vincent S, Staudenraus RJ, Legan AW, Polnaszek TJ, Uy FMK, Walton A, Sheehan MJ. Evidence for a selective link between cooperation and individual recognition. Curr Biol 2023; 33:5478-5487.e5. [PMID: 38065097 PMCID: PMC11074921 DOI: 10.1016/j.cub.2023.11.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 09/05/2023] [Accepted: 11/15/2023] [Indexed: 12/21/2023]
Abstract
The ability to recognize others is a frequent assumption of models of the evolution of cooperation. At the same time, cooperative behavior has been proposed as a selective agent favoring the evolution of individual recognition abilities. Although theory predicts that recognition and cooperation may co-evolve, data linking recognition abilities and cooperative behavior with evidence of selection are elusive. Here, we provide evidence of a selective link between individual recognition and cooperation in the paper wasp Polistes fuscatus through a combination of clinal, common garden, and population genomics analyses. We identified latitudinal clines in both rates of cooperative nesting and color pattern diversity, consistent with a selective link between recognition and cooperation. In behavioral experiments, we replicated previous results demonstrating individual recognition in cooperative and phenotypically diverse P. fuscatus from New York. In contrast, wasps from a less cooperative and phenotypically uniform Louisiana population showed no evidence of individual recognition. In a common garden experiment, groups of wasps from northern populations formed more stable and individually biased associations, indicating that recognition facilitates group stability. The strength of recent positive selection on cognition-associated loci likely to mediate individual recognition is substantially greater in northern compared with southern P. fuscatus populations. Collectively, these data suggest that individual recognition and cooperative nesting behavior have co-evolved in P. fuscatus because recognition helps stabilize social groups. This work provides evidence of a specific cognitive phenotype under selection because of social interactions, supporting the idea that social behavior can be a key driver of cognitive evolution.
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Affiliation(s)
- James P Tumulty
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA.
| | - Sara E Miller
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA; Department of Biology, University of Missouri-St. Louis, St. Louis, MO 63121, USA
| | - Steven M Van Belleghem
- Ecology, Evolution and Conservation Biology, Biology Department, KU Leuven, 3000 Leuven, Belgium
| | - Hannah I Weller
- Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02912, USA
| | - Christopher M Jernigan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA
| | - Sierra Vincent
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA
| | - Regan J Staudenraus
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA
| | - Andrew W Legan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA
| | | | - Floria M K Uy
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA; Department of Biology, University of Rochester, Rochester, NY 14627, USA
| | - Alexander Walton
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA 50011, USA
| | - Michael J Sheehan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA.
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Couto A, Marty S, Dawson EH, d'Ettorre P, Sandoz JC, Montgomery SH. Evolution of the neuronal substrate for kin recognition in social Hymenoptera. Biol Rev Camb Philos Soc 2023; 98:2226-2242. [PMID: 37528574 DOI: 10.1111/brv.13003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 08/03/2023]
Abstract
In evolutionary terms, life is about reproduction. Yet, in some species, individuals forgo their own reproduction to support the reproductive efforts of others. Social insect colonies for example, can contain up to a million workers that actively cooperate in tasks such as foraging, brood care and nest defence, but do not produce offspring. In such societies the division of labour is pronounced, and reproduction is restricted to just one or a few individuals, most notably the queen(s). This extreme eusocial organisation exists in only a few mammals, crustaceans and insects, but strikingly, it evolved independently up to nine times in the order Hymenoptera (including ants, bees and wasps). Transitions from a solitary lifestyle to an organised society can occur through natural selection when helpers obtain a fitness benefit from cooperating with kin, owing to the indirect transmission of genes through siblings. However, this process, called kin selection, is vulnerable to parasitism and opportunistic behaviours from unrelated individuals. An ability to distinguish kin from non-kin, and to respond accordingly, could therefore critically facilitate the evolution of eusociality and the maintenance of non-reproductive workers. The question of how the hymenopteran brain has adapted to support this function is therefore a fundamental issue in evolutionary neuroethology. Early neuroanatomical investigations proposed that social Hymenoptera have expanded integrative brain areas due to selection for increased cognitive capabilities in the context of processing social information. Later studies challenged this assumption and instead pointed to an intimate link between higher social organisation and the existence of developed sensory structures involved in recognition and communication. In particular, chemical signalling of social identity, known to be mediated through cuticular hydrocarbons (CHCs), may have evolved hand in hand with a specialised chemosensory system in Hymenoptera. Here, we compile the current knowledge on this recognition system, from emitted identity signals, to the molecular and neuronal basis of chemical detection, with particular emphasis on its evolutionary history. Finally, we ask whether the evolution of social behaviour in Hymenoptera could have driven the expansion of their complex olfactory system, or whether the early origin and conservation of an olfactory subsystem dedicated to social recognition could explain the abundance of eusocial species in this insect order. Answering this question will require further comparative studies to provide a comprehensive view on lineage-specific adaptations in the olfactory pathway of Hymenoptera.
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Affiliation(s)
- Antoine Couto
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, UK
- Evolution, Genomes, Behaviour and Ecology (UMR 9191), IDEEV, Université Paris-Saclay, CNRS, IRD, 12 route 128, Gif-sur-Yvette, 91190, France
| | - Simon Marty
- Evolution, Genomes, Behaviour and Ecology (UMR 9191), IDEEV, Université Paris-Saclay, CNRS, IRD, 12 route 128, Gif-sur-Yvette, 91190, France
| | - Erika H Dawson
- Laboratory of Experimental and Comparative Ethology, UR 4443 (LEEC), Université Sorbonne Paris Nord, 99 avenue J.-B. Clément, Villetaneuse, 93430, France
| | - Patrizia d'Ettorre
- Laboratory of Experimental and Comparative Ethology, UR 4443 (LEEC), Université Sorbonne Paris Nord, 99 avenue J.-B. Clément, Villetaneuse, 93430, France
- Institut Universitaire de France (IUF), 103 Boulevard Saint-Michel, Paris, 75005, France
| | - Jean-Christophe Sandoz
- Evolution, Genomes, Behaviour and Ecology (UMR 9191), IDEEV, Université Paris-Saclay, CNRS, IRD, 12 route 128, Gif-sur-Yvette, 91190, France
| | - Stephen H Montgomery
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, UK
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Zhang K, Zhang ZQ. A thelytokous predatory mite is more cannibalistic towards distant kin. Curr Zool 2023; 69:578-584. [PMID: 37637319 PMCID: PMC10449414 DOI: 10.1093/cz/zoac074] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/14/2022] [Indexed: 08/29/2023] Open
Abstract
Kin recognition has been widely observed in various taxa. Cannibalism avoidance may be a strong driver for the evolution of kin recognition, as it may avoid a reduction in inclusive fitness. Kin recognition has recently been observed in a generalist phytoseiid, Amblyseius herbicolus (Acari: Phytoseiidae). This study experimentally examined the degree of relatedness needed between prey larvae and cannibal adults of A. herbicolus for the occurrence of kin discrimination. The adults were individually placed in enclosed arenas with two prey, a daughter and a more distant related larva, to observe their cannibalizing choice. The adults of A. herbicolus did not discriminate between close relatives (daughter versus niece) but preferably cannibalized more distant kin (i.e., first and second cousins once removed). Phenotype matching and familiarization seem prominent as recognition mechanisms used by A. herbicolus adults. The effect of learning on kin recognition through prior contact in A. herbicolus requires further investigation. Studies on other adaptive functions of kin recognition of A. herbicolus, such as cooperation and parental care, may provide meaningful insights.
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Affiliation(s)
- Keshi Zhang
- School of Biological Sciences, University of Auckland, 3A Symonds Street, Auckland, 1072, New Zealand
- Manaaki Whenua – Landcare Research, 231 Morrin Road, Auckland, 1072, New Zealand
| | - Zhi-Qiang Zhang
- School of Biological Sciences, University of Auckland, 3A Symonds Street, Auckland, 1072, New Zealand
- Manaaki Whenua – Landcare Research, 231 Morrin Road, Auckland, 1072, New Zealand
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Legan AW, Vogt CC, Sheehan MJ. Postural analysis reveals persistent changes in paper wasp foundress behavioral state after conspecific challenge. Ecol Evol 2023; 13:e10436. [PMID: 37664514 PMCID: PMC10469045 DOI: 10.1002/ece3.10436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 08/04/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023] Open
Abstract
Vigilant animals detect and respond to threats in the environment, often changing posture and movement patterns. Vigilance is modulated not only by predators but also by conspecific threats. In social animals, precisely how conspecific threats alter vigilance behavior over time is relevant to long-standing hypotheses about social plasticity. We report persistent effects of a simulated conspecific challenge on behavior of wild northern paper wasp foundresses, Polistes fuscatus. During the founding phase of the colony cycle, conspecific wasps can usurp nests from the resident foundress, representing a severe threat. We used automated tracking to monitor the movement and posture of P. fuscatus foundresses in response to simulated intrusions. Wasps displayed increased movement, greater bilateral wing extension, and reduced antennal separation after the threat was removed. These changes were not observed after presentation with a wooden dowel. By rapidly adjusting individual behavior after fending off an intruder, paper wasp foundresses might invest in surveillance of potential threats, even when such threats are no longer immediately present. The prolonged vigilance-like behavioral state observed here is relevant to plasticity of social recognition processes in paper wasps.
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Affiliation(s)
- Andrew W. Legan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and BehaviorCornell UniversityIthacaNew YorkUSA
- Department of EntomologyUniversity of ArizonaTucsonArizonaUSA
| | - Caleb C. Vogt
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and BehaviorCornell UniversityIthacaNew YorkUSA
| | - Michael J. Sheehan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and BehaviorCornell UniversityIthacaNew YorkUSA
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10
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Freiler MK, Smith GT. Neuroendocrine mechanisms contributing to the coevolution of sociality and communication. Front Neuroendocrinol 2023; 70:101077. [PMID: 37217079 PMCID: PMC10527162 DOI: 10.1016/j.yfrne.2023.101077] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 04/19/2023] [Accepted: 05/15/2023] [Indexed: 05/24/2023]
Abstract
Communication is inherently social, so signaling systems should evolve with social systems. The 'social complexity hypothesis' posits that social complexity necessitates communicative complexity and is generally supported in vocalizing mammals. This hypothesis, however, has seldom been tested outside the acoustic modality, and comparisons across studies are confounded by varying definitions of complexity. Moreover, proximate mechanisms underlying coevolution of sociality and communication remain largely unexamined. In this review, we argue that to uncover how sociality and communication coevolve, we need to examine variation in the neuroendocrine mechanisms that coregulate social behavior and signal production and perception. Specifically, we focus on steroid hormones, monoamines, and nonapeptides, which modulate both social behavior and sensorimotor circuits and are likely targets of selection during social evolution. Lastly, we highlight weakly electric fishes as an ideal system in which to comparatively address the proximate mechanisms underlying relationships between social and signal diversity in a novel modality.
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Affiliation(s)
- Megan K Freiler
- Department of Biology, Indiana University, Bloomington, IN, United States; Center for the Integrative Study of Animal Behavior, Indiana University, Bloomington, IN, United States.
| | - G Troy Smith
- Department of Biology, Indiana University, Bloomington, IN, United States; Center for the Integrative Study of Animal Behavior, Indiana University, Bloomington, IN, United States
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11
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Langbein J, Moreno-Zambrano M, Siebert K. How do goats "read" 2D-images of familiar and unfamiliar conspecifics? Front Psychol 2023; 14:1089566. [PMID: 37275711 PMCID: PMC10236219 DOI: 10.3389/fpsyg.2023.1089566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 05/02/2023] [Indexed: 06/07/2023] Open
Abstract
To study individual recognition in animals, discrimination tasks are often conducted by presenting 2D images of real conspecifics. However, animals may discriminate the images merely as visual stimulus combinations without establishing referential relationships to the individuals depicted. In the current study, we investigated whether goats are able to discriminate photos of familiar and unfamiliar conspecifics, whether they not only process the photos as visual stimuli, but also understand them as virtual copies of real conspecifics and whether they grasp the concept of familiarity. Using a computer-controlled learning device, in three tests, goats of two experimental groups (A and B) had to discriminate portrait (Te1), profile (Te2) or headless body photos (Te3) of conspecifics. Tests were presented as 4-choice tasks, with one photo from Group A (rewarded) plus three photos from Group B (distractors). That is, the rewarded photo was familiar to Group A, but unfamiliar to Group B. Finally, in a reversal test (Te4) we reversed this principle. The goats learned the discriminations in Te1 to Te3 within two (Te1 and Te2) and three training days (Te3), respectively, and they needed between 91 [CL (66, 126)] and 174 [CL (126, 241)] trials to reach the learning criterion, with no statistically significant differences between the groups. In Te4, in contrast, the animals took 403 [Group A; CL (291, 557)] and 385 [Group B; CL (286, 519)] trials, respectively, to learn the task. The lack of spontaneous preferences for the photo of the familiar conspecific in the pretests of Te1 to Te3 in Group A, as well as the lack of differences in the number of trials to learn the discriminations between both groups, do not at first glance suggest that the goats established a correspondence between real conspecifics and their 2D representations. However, the higher number of trials in Te4 suggests that both groups formed the learning rule of choosing either the known (Group A) or the unknown goat (Group B) over the course of Te1 to Te3 and then failed after the rule was reversed, providing evidence that goats can associate 2D photos of conspecifics with real animals.
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Affiliation(s)
- Jan Langbein
- Research Institute for Farm Animal Biology, Institute of Behavioural Physiology, Dummerstorf, Germany
| | - Mauricio Moreno-Zambrano
- Research Institute for Farm Animal Biology, Institute of Genetics and Biometry, Dummerstorf, Germany
| | - Katrin Siebert
- Research Institute for Farm Animal Biology, Institute of Behavioural Physiology, Dummerstorf, Germany
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12
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Kuwabara T, Kohno H, Hatakeyama M, Kubo T. Evolutionary dynamics of mushroom body Kenyon cell types in hymenopteran brains from multifunctional type to functionally specialized types. SCIENCE ADVANCES 2023; 9:eadd4201. [PMID: 37146148 PMCID: PMC10162674 DOI: 10.1126/sciadv.add4201] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Evolutionary dynamics of diversification of brain neuronal cell types that have underlain behavioral evolution remain largely unknown. Here, we compared transcriptomes and functions of Kenyon cell (KC) types that compose the mushroom bodies between the honey bee and sawfly, a primitive hymenopteran insect whose KCs likely have the ancestral properties. Transcriptome analyses show that the sawfly KC type shares some of the gene expression profile with each honey bee KC type, although unique gene expression profiles have also been acquired in each honey bee KC type. In addition, functional analysis of two sawfly genes suggested that the functions in learning and memory of the ancestral KC type were heterogeneously inherited among the KC types in the honey bee. Our findings strongly suggest that the functional evolution of KCs in Hymenoptera involved two previously hypothesized processes for evolution of cell function: functional segregation and divergence.
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Affiliation(s)
- Takayoshi Kuwabara
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hiroki Kohno
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Masatsugu Hatakeyama
- Division of Insect Advanced Technology, Institute of Agrobiological Sciences, NARO, Owashi, Tsukuba 305-8634, Japan
| | - Takeo Kubo
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
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13
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Pardo-Sanchez J, Tibbetts EA. Social experience drives the development of holistic face processing in paper wasps. Anim Cogn 2023; 26:465-476. [PMID: 36066686 DOI: 10.1007/s10071-022-01666-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 07/20/2022] [Accepted: 08/01/2022] [Indexed: 11/30/2022]
Abstract
Most recognition is based on identifying features, but specialization for face recognition in some taxa relies on a different mechanism, termed 'holistic processing' where facial features are bound together into a gestalt which is more than the sum of its parts. Although previous work suggests that extensive experience may be required for the development of holistic processing, we lack experiments that test how age and experience interact to influence holistic processing. Here, we test how age and experience influence the development of holistic face processing in Polistes fuscatus paper wasps. Previous work has shown that P. fuscatus use facial patterns to individually identify conspecifics and wasps use holistic processing to discriminate between conspecific faces. We tested face processing in three groups of P. fuscatus: young (1-week-old), older, experienced (2-weeks-old, normal experience), and older, inexperienced (2-weeks-old, 1 week normal social experience and 1 week social isolation). Older, experienced wasps used holistic processing to discriminate between conspecific faces. In contrast, older inexperienced wasps used featural rather than holistic mechanisms to discriminate between faces. Young wasps show some evidence of holistic face processing, but this ability was less refined than older, experienced wasps. Notably, wasps only required 2 weeks of normal experience to develop holistic processing, while previous work suggests that humans may require years of experience. Overall, P. fuscatus wasps rapidly develop holistic processing for conspecific faces. Experience rather than age facilitates the transition between featural and holistic face processing mechanisms.
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14
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Jernigan CM, Stafstrom JA, Zaba NC, Vogt CC, Sheehan MJ. Color is necessary for face discrimination in the Northern paper wasp, Polistes fuscatus. Anim Cogn 2023; 26:589-598. [PMID: 36245014 PMCID: PMC9974887 DOI: 10.1007/s10071-022-01691-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 09/02/2022] [Accepted: 09/19/2022] [Indexed: 11/01/2022]
Abstract
Visual individual recognition requires animals to distinguish among conspecifics based on appearance. Though visual individual recognition has been reported in a range of taxa including primates, birds, and insects, the features that animals require to discriminate between individuals are not well understood. Northern paper wasp females, Polistes fuscatus, possess individually distinctive color patterns on their faces, which mediate individual recognition. However, it is currently unclear what role color plays in the facial recognition system of this species. Thus, we sought to test two possible roles of color in wasp facial recognition. On one hand, color may be important simply because it creates a pattern. If this is the case, then wasps should perform similarly when discriminating color or grayscale images of the same faces. Alternatively, color itself may be important for recognition of an image as a "face", which would predict poorer performance on grayscale discrimination relative to color images. We found wasps performed significantly better when discriminating between color faces compared to grayscale versions of the same faces. In fact, wasps trained on grayscale faces did not perform better than chance, indicating that color is necessary for the recognition of an image as a face by the wasp visual system.
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15
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Poissonnier LA, Tait C, Lihoreau M. What is really social about social insect cognition? Front Ecol Evol 2023. [DOI: 10.3389/fevo.2022.1001045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
It is often assumed that social life imposes specific cognitive demands for animals to communicate, cooperate and compete, ultimately requiring larger brains. The “social brain” hypothesis is supported by data in primates and some other vertebrates, but doubts have been raised over its applicability to other taxa, and in particular insects. Here, we review recent advances in insect cognition research and ask whether we can identify cognitive capacities that are specific to social species. One difficulty involved in testing the social brain hypothesis in insects is that many of the model species used in cognition studies are highly social (eusocial), and comparatively little work has been done in insects that live in less integrated social structures or that are solitary. As more species are studied, it is becoming clear that insects share a rich cognitive repertoire and that these abilities are not directly related to their level of social complexity. Moreover, some of the cognitive mechanisms involved in many social interactions may not differ from those involved in non-social behaviors. We discuss the need for a more comparative and neurobiologically grounded research agenda to better understand the evolution of insect brains and cognition.
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16
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de Groot C, Wijnhorst RE, Ratz T, Murray M, Araya-Ajoy YG, Wright J, Dingemanse NJ. The importance of distinguishing individual differences in 'social impact' versus 'social responsiveness' when quantifying indirect genetic effects on the evolution of social plasticity. Neurosci Biobehav Rev 2023; 144:104996. [PMID: 36526032 DOI: 10.1016/j.neubiorev.2022.104996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022]
Abstract
Social evolution and the dynamics of social interactions have previously been studied under the frameworks of quantitative genetics and behavioural ecology. In quantitative genetics, indirect genetic effects of social partners on the socially plastic phenotypes of focal individuals typically lack crucial detail already included in treatments of social plasticity in behavioural ecology. Specifically, whilst focal individuals (e.g. receivers) may show variation in their 'responsiveness' to the social environment, individual social partners (e.g. signallers) may have a differential 'impact' on focal phenotypes. Here we propose an integrative framework, that highlights the distinction between responsiveness versus impact in indirect genetic effects for a range of behavioural traits. We describe impact and responsiveness using a reaction norm approach and provide statistical models for the assessment of these effects of focal and social partner identity in different types of social interactions. By providing such a framework, we hope to stimulate future quantitative research investigating the causes and consequences of social interactions on phenotypic evolution.
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Affiliation(s)
- Corné de Groot
- Behavioural Ecology, Department of Biology, Ludwig-Maximilians University of Munich (LMU), 82152 Planegg, Martinsried, Germany.
| | - Rori E Wijnhorst
- Behavioural Ecology, Department of Biology, Ludwig-Maximilians University of Munich (LMU), 82152 Planegg, Martinsried, Germany
| | - Tom Ratz
- Behavioural Ecology, Department of Biology, Ludwig-Maximilians University of Munich (LMU), 82152 Planegg, Martinsried, Germany
| | - Myranda Murray
- Center for Biodiversity Dynamics (CBD), Department of Biology, Norwegian University of Science and Technology (NTNU), N-7491 Trondheim, Norway
| | - Yimen G Araya-Ajoy
- Center for Biodiversity Dynamics (CBD), Department of Biology, Norwegian University of Science and Technology (NTNU), N-7491 Trondheim, Norway
| | - Jonathan Wright
- Center for Biodiversity Dynamics (CBD), Department of Biology, Norwegian University of Science and Technology (NTNU), N-7491 Trondheim, Norway
| | - Niels J Dingemanse
- Behavioural Ecology, Department of Biology, Ludwig-Maximilians University of Munich (LMU), 82152 Planegg, Martinsried, Germany
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17
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Type and amount of social experience influences individual face learning in paper wasps. Behav Ecol Sociobiol 2022. [DOI: 10.1007/s00265-022-03257-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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18
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Weise C, Ortiz CC, Tibbetts EA. Paper wasps form abstract concept of 'same and different'. Proc Biol Sci 2022; 289:20221156. [PMID: 35855600 PMCID: PMC9297017 DOI: 10.1098/rspb.2022.1156] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Concept formation requires animals to learn and use abstract rules that transcend the characteristics of specific stimuli. Abstract concepts are often associated with high levels of cognitive sophistication, so there has been much interest in which species can form and use concepts. A key abstract concept is that of sameness and difference, where stimuli are classified as either the same as or different than an original stimulus. Here, we used a simultaneous two-item same-different task to test whether paper wasps (Polistes fuscatus) can learn and apply a same-different concept. We trained wasps by simultaneously presenting pairs of same or different stimuli (e.g. colours). Then, we tested whether wasps could apply the concept to new stimuli of the same type (e.g. new colours) and to new stimulus types (e.g. odours). We show that wasps learned a general concept of sameness or difference and applied it to new samples and types of stimuli. Notably, wasps were able to transfer the learned rules to new stimuli in a different sensory modality. Therefore, P. fuscatus can classify stimuli based on their relationships and apply abstract concepts to novel stimulus types. These results indicate that abstract concept learning may be more widespread than previously thought.
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Affiliation(s)
- Chloe Weise
- Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 7347633564, USA
| | - Christian Cely Ortiz
- Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 7347633564, USA
| | - Elizabeth A. Tibbetts
- Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 7347633564, USA
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19
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Gatto E, Loukola OJ, Petrazzini MEM, Agrillo C, Cutini S. Illusional Perspective across Humans and Bees. Vision (Basel) 2022; 6:vision6020028. [PMID: 35737416 PMCID: PMC9231007 DOI: 10.3390/vision6020028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/20/2022] [Accepted: 05/26/2022] [Indexed: 11/16/2022] Open
Abstract
For two centuries, visual illusions have attracted the attention of neurobiologists and comparative psychologists, given the possibility of investigating the complexity of perceptual mechanisms by using relatively simple patterns. Animal models, such as primates, birds, and fish, have played a crucial role in understanding the physiological circuits involved in the susceptibility of visual illusions. However, the comprehension of such mechanisms is still a matter of debate. Despite their different neural architectures, recent studies have shown that some arthropods, primarily Hymenoptera and Diptera, experience illusions similar to those humans do, suggesting that perceptual mechanisms are evolutionarily conserved among species. Here, we review the current state of illusory perception in bees. First, we introduce bees’ visual system and speculate which areas might make them susceptible to illusory scenes. Second, we review the current state of knowledge on misperception in bees (Apidae), focusing on the visual stimuli used in the literature. Finally, we discuss important aspects to be considered before claiming that a species shows higher cognitive ability while equally supporting alternative hypotheses. This growing evidence provides insights into the evolutionary origin of visual mechanisms across species.
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Affiliation(s)
- Elia Gatto
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy
- Department of Life Sciences and Biotechnology, University of Ferrara, 44121 Ferrara, Italy
- Correspondence:
| | - Olli J. Loukola
- Ecology and Genetics Research Unit, University of Oulu, P.O. Box 3000, FI-90014 Oulu, Finland;
| | | | - Christian Agrillo
- Department of General Psychology, University of Padova, 35131 Padova, Italy; (M.E.M.P.); (C.A.)
- Department of Developmental and Social Psychology, University of Padova, 35131 Padova, Italy;
| | - Simone Cutini
- Department of Developmental and Social Psychology, University of Padova, 35131 Padova, Italy;
- Padua Neuroscience Center, University of Padova, 35129 Padova, Italy
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20
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Chittka L, Rossi N. Social cognition in insects. Trends Cogn Sci 2022; 26:578-592. [DOI: 10.1016/j.tics.2022.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 03/26/2022] [Accepted: 04/12/2022] [Indexed: 11/25/2022]
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21
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Ponte G, Chiandetti C, Edelman DB, Imperadore P, Pieroni EM, Fiorito G. Cephalopod Behavior: From Neural Plasticity to Consciousness. Front Syst Neurosci 2022; 15:787139. [PMID: 35495582 PMCID: PMC9039538 DOI: 10.3389/fnsys.2021.787139] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/22/2021] [Indexed: 11/18/2022] Open
Abstract
It is only in recent decades that subjective experience - or consciousness - has become a legitimate object of scientific inquiry. As such, it represents perhaps the greatest challenge facing neuroscience today. Subsumed within this challenge is the study of subjective experience in non-human animals: a particularly difficult endeavor that becomes even more so, as one crosses the great evolutionary divide between vertebrate and invertebrate phyla. Here, we explore the possibility of consciousness in one group of invertebrates: cephalopod molluscs. We believe such a review is timely, particularly considering cephalopods' impressive learning and memory abilities, rich behavioral repertoire, and the relative complexity of their nervous systems and sensory capabilities. Indeed, in some cephalopods, these abilities are so sophisticated that they are comparable to those of some higher vertebrates. Following the criteria and framework outlined for the identification of hallmarks of consciousness in non-mammalian species, here we propose that cephalopods - particularly the octopus - provide a unique test case among invertebrates for examining the properties and conditions that, at the very least, afford a basal faculty of consciousness. These include, among others: (i) discriminatory and anticipatory behaviors indicating a strong link between perception and memory recall; (ii) the presence of neural substrates representing functional analogs of thalamus and cortex; (iii) the neurophysiological dynamics resembling the functional signatures of conscious states in mammals. We highlight the current lack of evidence as well as potentially informative areas that warrant further investigation to support the view expressed here. Finally, we identify future research directions for the study of consciousness in these tantalizing animals.
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Affiliation(s)
- Giovanna Ponte
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy
| | | | - David B. Edelman
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH, United States
- Association for Cephalopod Research ‘CephRes' a non-profit Organization, Naples, Italy
| | - Pamela Imperadore
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy
| | | | - Graziano Fiorito
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy
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22
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Boucherie PH, Gallego-Abenza M, Massen JJM, Bugnyar T. Dominance in a socially dynamic setting: hierarchical structure and conflict dynamics in ravens' foraging groups. Philos Trans R Soc Lond B Biol Sci 2022; 377:20200446. [PMID: 35000442 PMCID: PMC8743890 DOI: 10.1098/rstb.2020.0446] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 11/30/2021] [Indexed: 12/14/2022] Open
Abstract
Dominance hierarchies typically emerge in systems where group members regularly encounter and compete for resources. In birds, the 'open' and dynamic structure of foraging groups may prevent the emergence of structured hierarchies, although this assumption have hardly been tested. We report on agonistic data for ravens Corvus corax, collected over two 18-month periods for 183 marked individuals of a wild (fluid) population and 51 birds from six captive (stable) groups. We show that the dominance structure (steep and transitive) in wild foraging groups is strikingly similar to that found in captivity. In the wild, we found that higher ranks are mainly occupied by males, older and more aggressive individuals that also tend to receive fewer aggressions. Exploring the mechanisms sustaining the wild dominance structure, we confirmed that males are more aggressive than females and, with age, tend to receive fewer aggressions than females. Males that are about to leave the foraging groups for some months are less aggressive than newcomers or locals, while newcomers are specifically targeted by aggressions in their first year (as juveniles). Taken together, our results indicate that the socially dynamic conditions ravens face during foraging do not hinder, but provide opportunities for, using (advanced) social cognition. This article is part of the theme issue 'The centennial of the pecking order: current state and future prospects for the study of dominance hierarchies'.
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Affiliation(s)
- Palmyre H. Boucherie
- Department of Behavioural and Cognitive Biology, University of Vienna, Vienna, Austria
| | - Mario Gallego-Abenza
- Department of Behavioural and Cognitive Biology, University of Vienna, Vienna, Austria
- Konrad Lorenz Forschungsstelle, Core Facility for Behaviour and Cognition, University of Vienna, Vienna, Austria
| | - Jorg J. M. Massen
- Animal Behaviour and Cognition, Department of Biology, Utrecht University, Utrecht, The Netherlands
| | - Thomas Bugnyar
- Department of Behavioural and Cognitive Biology, University of Vienna, Vienna, Austria
- Konrad Lorenz Forschungsstelle, Core Facility for Behaviour and Cognition, University of Vienna, Vienna, Austria
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23
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Tibbetts EA, Pardo-Sanchez J, Weise C. The establishment and maintenance of dominance hierarchies. Philos Trans R Soc Lond B Biol Sci 2022; 377:20200450. [PMID: 35000449 PMCID: PMC8743888 DOI: 10.1098/rstb.2020.0450] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 10/17/2021] [Indexed: 12/19/2022] Open
Abstract
Animal groups are often organized hierarchically, with dominant individuals gaining priority access to resources and reproduction over subordinate individuals. Initial dominance hierarchy formation may be influenced by multiple interacting factors, including an animal's individual attributes, conventions and self-organizing social dynamics. After establishment, hierarchies are typically maintained over the long-term because individuals save time, energy and reduce the risk of injury by recognizing and abiding by established dominance relationships. A separate set of behaviours are used to maintain dominance relationships within groups, including behaviours that stabilize ranks (punishment, threats, behavioural asymmetry), as well as signals that provide information about dominance rank (individual identity signals, signals of dominance). In this review, we describe the behaviours used to establish and maintain dominance hierarchies across different taxa and types of societies. We also review opportunities for future research including: testing how self-organizing behavioural dynamics interact with other factors to mediate dominance hierarchy formation, measuring the long-term stability of social hierarchies and the factors that disrupt hierarchy stability, incorporating phenotypic plasticity into our understanding of the behavioural dynamics of hierarchies and considering how cognition coevolves with the behaviours used to establish and maintain hierarchies. This article is part of the theme issue 'The centennial of the pecking order: current state and future prospects for the study of dominance hierarchies'.
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Affiliation(s)
| | | | - Chloe Weise
- Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
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24
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Riojas-Schnier J, Toth A. Insights into insect cognition through mirror-induced behaviour in paper wasps. BEHAVIOUR 2022. [DOI: 10.1163/1568539x-bja10148] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
Mirror studies have uncovered evidence for self-awareness in several non-human animals; however, this approach has not been extended to invertebrates. Here, we examined mirror responses of Polistes paper wasps, insects with high social cognitive abilities. We used a highly replicated design, exposing wasps to mirror self-recognition (MSR) test stimuli (mirror, facial marking) and several control stimuli (non-reflective surfaces, invisible marks, and sham marks). We found that nest-founding queen wasps respond to mirrors with increases in antennation and touching over non-reflective surfaces. Visible marks also resulted in more exploratory behaviours (antennating and touching the mirror), but decreases in self-directed behaviours typically used as indicators of MSR. While this experiment does not support the notion that wasps possess self-awareness, it shows that wasps respond to subtle alterations in their visual environment and appearance with exploratory behaviour. This work thus increases our understanding of insects’ cognitive abilities, suggesting high levels of perceptual richness.
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Affiliation(s)
- J.L. Riojas-Schnier
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, 251 Bessey Hall, Ames, IA 50011, USA
- Programs in Biology and Environmental Science, Iowa State University, 251 Bessey Hall, Ames, IA 50011, USA
| | - A.L. Toth
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, 251 Bessey Hall, Ames, IA 50011, USA
- Department of Entomology, Iowa State University, 1344 Advanced Teaching and Research Building, Ames, IA 50011, USA
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25
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Baracchi D, Giurfa M, d'Ettorre P. Formic acid modulates latency and accuracy of nestmate recognition in carpenter ants. J Exp Biol 2021; 224:272354. [PMID: 34605911 DOI: 10.1242/jeb.242784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 09/26/2021] [Indexed: 11/20/2022]
Abstract
Decision-making processes face the dilemma of being accurate or faster, a phenomenon that has been described as speed-accuracy trade-off in numerous studies on animal behaviour. In social insects, discriminating between colony members and aliens is subject to this trade-off as rapid and accurate rejection of enemies is of primary importance for the maintenance and ecological success of insect societies. Recognition cues distinguishing aliens from nestmates are embedded in the cuticular hydrocarbon (CHC) layer and vary among colonies. In walking carpenter ants, exposure to formic acid (FA), an alarm pheromone, improves the accuracy of nestmate recognition by decreasing both alien acceptance and nestmate rejection. Here, we studied the effect of FA exposure on the spontaneous aggressive mandible opening response (MOR) of harnessed Camponotus aethiops ants presented with either nestmate or alien CHCs. FA modulated both MOR accuracy and the latency to respond to odours of conspecifics. In particular, FA decreased the MOR towards nestmates but increased it towards aliens. Furthermore, FA decreased MOR latency towards aliens but not towards nestmates. As response latency can be used as a proxy of response speed, we conclude that contrary to the prediction of the speed-accuracy trade-off theory, ants did not trade off speed against accuracy in the process of nestmate recognition.
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Affiliation(s)
- David Baracchi
- Research Centre on Animal Cognition, Center for Integrative Biology, CNRS, University of Toulouse, F-31062 Toulouse, France.,Department of Biology, University of Florence, 50019 Sesto Fiorentino, Italy
| | - Martin Giurfa
- Research Centre on Animal Cognition, Center for Integrative Biology, CNRS, University of Toulouse, F-31062 Toulouse, France.,Institut Universitaire de France (IUF), 75231 Paris, France
| | - Patrizia d'Ettorre
- Institut Universitaire de France (IUF), 75231 Paris, France.,Laboratory of Experimental and Comparative Ethology, University Sorbonne Paris Nord, 93430 Villetaneuse, France
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26
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Vidal M, Wolf N, Rosenberg B, Harris BP, Mathis A. Perspectives on Individual Animal Identification from Biology and Computer Vision. Integr Comp Biol 2021; 61:900-916. [PMID: 34050741 PMCID: PMC8490693 DOI: 10.1093/icb/icab107] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Identifying individual animals is crucial for many biological investigations. In response to some of the limitations of current identification methods, new automated computer vision approaches have emerged with strong performance. Here, we review current advances of computer vision identification techniques to provide both computer scientists and biologists with an overview of the available tools and discuss their applications. We conclude by offering recommendations for starting an animal identification project, illustrate current limitations, and propose how they might be addressed in the future.
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Affiliation(s)
- Maxime Vidal
- School of Life Sciences, Brain Mind Institute, Swiss Federal Institute of Technology (EPFL), Chemin des Mines 9, 1202 Geneva, Switzerland
- Center for Neuroprosthetics, Center for Intelligent Systems, Swiss Federal Institute of Technology (EPFL), Chemin des Mines 9, 1202 Geneva, Switzerland
| | - Nathan Wolf
- Fisheries, Aquatic Science, and Technology Laboratory, Alaska Pacific University, 4101 University Drive, Anchorage, Alaska 99508, USA
| | - Beth Rosenberg
- Fisheries, Aquatic Science, and Technology Laboratory, Alaska Pacific University, 4101 University Drive, Anchorage, Alaska 99508, USA
| | - Bradley P Harris
- Fisheries, Aquatic Science, and Technology Laboratory, Alaska Pacific University, 4101 University Drive, Anchorage, Alaska 99508, USA
| | - Alexander Mathis
- School of Life Sciences, Brain Mind Institute, Swiss Federal Institute of Technology (EPFL), Chemin des Mines 9, 1202 Geneva, Switzerland
- Center for Neuroprosthetics, Center for Intelligent Systems, Swiss Federal Institute of Technology (EPFL), Chemin des Mines 9, 1202 Geneva, Switzerland
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27
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Uy FMK, Jernigan CM, Zaba NC, Mehrotra E, Miller SE, Sheehan MJ. Dynamic neurogenomic responses to social interactions and dominance outcomes in female paper wasps. PLoS Genet 2021; 17:e1009474. [PMID: 34478434 PMCID: PMC8415593 DOI: 10.1371/journal.pgen.1009474] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 08/03/2021] [Indexed: 11/19/2022] Open
Abstract
Social interactions have large effects on individual physiology and fitness. In the immediate sense, social stimuli are often highly salient and engaging. Over longer time scales, competitive interactions often lead to distinct social ranks and differences in physiology and behavior. Understanding how initial responses lead to longer-term effects of social interactions requires examining the changes in responses over time. Here we examined the effects of social interactions on transcriptomic signatures at two times, at the end of a 45-minute interaction and 4 hours later, in female Polistes fuscatus paper wasp foundresses. Female P. fuscatus have variable facial patterns that are used for visual individual recognition, so we separately examined the transcriptional dynamics in the optic lobe and the non-visual brain. Results demonstrate much stronger transcriptional responses to social interactions in the non-visual brain compared to the optic lobe. Differentially regulated genes in response to social interactions are enriched for memory-related transcripts. Comparisons between winners and losers of the encounters revealed similar overall transcriptional profiles at the end of an interaction, which significantly diverged over the course of 4 hours, with losers showing changes in expression levels of genes associated with aggression and reproduction in paper wasps. On nests, subordinate foundresses are less aggressive, do more foraging and lay fewer eggs compared to dominant foundresses and we find losers shift expression of many genes in the non-visual brain, including vitellogenin, related to aggression, worker behavior, and reproduction within hours of losing an encounter. These results highlight the early neurogenomic changes that likely contribute to behavioral and physiological effects of social status changes in a social insect.
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Affiliation(s)
- Floria M. K. Uy
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, United States of America
| | - Christopher M. Jernigan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, United States of America
| | - Natalie C. Zaba
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, United States of America
| | - Eshan Mehrotra
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, United States of America
| | - Sara E. Miller
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, United States of America
| | - Michael J. Sheehan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, United States of America
- * E-mail:
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28
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Tibbetts EA, Snell-Rood EC. Reciprocal plasticity and the diversification of communication systems. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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29
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Phased contests allow rapid hierarchy formation in paired bumble bee workers. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.06.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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30
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Trapp R, Fernandez-Juricic E. How visual system configuration can play a role in individual recognition: a visual modeling study. Anim Cogn 2021; 25:205-216. [PMID: 34383151 DOI: 10.1007/s10071-021-01548-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 07/28/2021] [Accepted: 08/05/2021] [Indexed: 11/28/2022]
Abstract
Many species rely on individual recognition (i.e., the use of individual signals to identify and remember a conspecific) to tune their social interactions. However, little is known about how the configuration of the sensory system may affect the perception of individual recognition signals over space. Utilizing a visual modeling approach, we quantified (1) the threshold distance between the receiver and the signaler at which individual recognition can no longer accurately occur, and (2) the regions of the head most likely to contain the individual recognition signals. We used chickens (Gallus gallus) as our study species, as they use visual individual recognition and additionally have a well-studied visual system. We took pictures of different individuals and followed a visual modeling approach considering color vision, visual acuity, and pattern processing of the receiver. We found that distance degrades the quality of information in potential individual recognition signals. We estimated that the neighbor distance at which a receiver may have difficulty recognizing a conspecific was between 0.25 and 0.30 m in chickens, which may be related to a decrease in available features of the potential signal. This signal perception threshold closely matches the recognition distance predicted by previous behavioral approaches. Additionally, we found that certain regions of the head (beak, cheek, comb, eye) may be good candidates for individual recognition signals. Overall, our findings support that recognition in chickens occurs at short distances due to constraints imposed by their visual system, which can affect the costs and benefits associated with social spacing in groups.
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Affiliation(s)
- Rebecca Trapp
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.
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31
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Individual recognition and individual identity signals in Polistes fuscatus wasps vary geographically. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.03.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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32
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Reznikova Z. Ants’ Personality and Its Dependence on Foraging Styles: Research Perspectives. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.661066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The paper is devoted to analyzing consistent individual differences in behavior, also known as “personalities,” in the context of a vital ant task—the detection and transportation of food. I am trying to elucidate the extent to which collective cognition is individual-based and whether a single individual’s actions can suffice to direct the entire colony or colony units. The review analyzes personalities in various insects with different life cycles and provides new insights into the role of individuals in directing group actions in ants. Although it is widely accepted that, in eusocial insects, colony personality emerges from the workers’ personalities, there are only a few examples of investigations of personality at the individual level. The central question of the review is how the distribution of behavioral types and cognitive responsibilities within ant colonies depends on a species’ foraging style. In the context of how workers’ behavioral traits display during foraging, a crucial question is what makes an ant a scout that discovers a new food source and mobilizes its nestmates. In mass recruiting, tandem-running, and even in group-recruiting species displaying leadership, the division of labor between scouts and recruits appears to be ephemeral. There is only little, if any, evidence of ants’ careers and behavioral consistency as leaders. Personal traits characterize groups of individuals at the colony level but not performers of functional roles during foraging. The leader-scouting seems to be the only known system that is based on a consistent personal difference between scouting and foraging individuals.
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33
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Almasi RC, Behrmann M. Subcortical regions of the human visual system do not process faces holistically. Brain Cogn 2021; 151:105726. [PMID: 33933856 DOI: 10.1016/j.bandc.2021.105726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 03/25/2021] [Accepted: 03/26/2021] [Indexed: 11/30/2022]
Abstract
Face perception is considered to be evolutionarily adaptive and conserved across species. While subcortical visual brain areas are implicated in face perception based on existing evidence from phylogenetic and ontogenetic studies, whether these subcortical structures contribute to more complex visual computations such as the holistic processing (HP) of faces in humans is unknown. To address this issue, we used a well-established marker of HP, the composite face effect (CFE), with a group of adult human observers, and presented two sequential faces in a trial monocularly or interocularly using a Wheatstone stereoscope. HP refers to the finding that two identical top (or bottom) halves of a face are judged to be different when their task-irrelevant bottom (or top) halves belong to different faces. Because humans process faces holistically, they are unable to ignore the information from the irrelevant half of the composite face, and this is true to an even greater extent when the two halves of the faces are aligned compared with when they are misaligned ('Alignment effect'). The results revealed the HP effect and also uncovered the Alignment effect, a key marker of the CFE. The findings also indicated a monocular advantage, replicating the known subcortical contribution to face perception. There was, however, no statistically significant difference in the CFE when the images were presented in the monocular versus interocular conditions. These findings indicate that HP is not necessarily mediated by the subcortical visual pathway, and suggest that further investigation of cortical, rather than subcortical, structures might advance our understanding of HP and its role in face processing.
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Affiliation(s)
- Rebeka C Almasi
- Department of Psychology and Neuroscience Institute, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
| | - Marlene Behrmann
- Department of Psychology and Neuroscience Institute, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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34
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Quigley TP, Amdam GV. Social modulation of ageing: mechanisms, ecology, evolution. Philos Trans R Soc Lond B Biol Sci 2021; 376:20190738. [PMID: 33678020 PMCID: PMC7938163 DOI: 10.1098/rstb.2019.0738] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2020] [Indexed: 12/11/2022] Open
Abstract
Human life expectancy increases, but the disease-free part of lifespan (healthspan) and the quality of life in old people may not show the same development. The situation poses considerable challenges to healthcare systems and economies, and calls for new strategies to increase healthspan and for sustainable future approaches to elder care. This call has motivated innovative research on the role of social relationships during ageing. Correlative data from clinical surveys indicate that social contact promotes healthy ageing, and it is time to reveal the causal mechanisms through experimental research. The fruit fly Drosophila melanogaster is a prolific model animal, but insects with more developed social behaviour can be equally instrumental for this research. Here, we discuss the role of social contact in ageing, and identify lines of study where diverse insect models can help uncover the mechanisms that are involved. This article is part of the theme issue 'Ageing and sociality: why, when and how does sociality change ageing patterns?'
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Affiliation(s)
- Tyler P. Quigley
- School of Life Sciences, Arizona State University, PO Box 874501, Tempe, AZ 85287, USA
| | - Gro V. Amdam
- School of Life Sciences, Arizona State University, PO Box 874501, Tempe, AZ 85287, USA
- Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, PO Box 5002, N-1432 Aas, Norway
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35
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Jernigan CM, Zaba NC, Sheehan MJ. Age and social experience induced plasticity across brain regions of the paper wasp Polistes fuscatus. Biol Lett 2021; 17:20210073. [PMID: 33849349 PMCID: PMC8086938 DOI: 10.1098/rsbl.2021.0073] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/15/2021] [Indexed: 12/18/2022] Open
Abstract
Developmental studies of brain volumes can reveal which portions of neural circuits are sensitive to environmental inputs. In social insects, differences in relative investment across brain regions emerge as behavioural repertoires change during ontogeny or as a result of experience. Here, we test the effects of maturation and social experience on morphological brain development in Polistes fuscatus paper wasps, focusing on brain regions involved in visual and olfactory processing. We find that mature wasps regardless of social experience have relatively larger brains than newly emerged wasps and this difference is driven by changes to mushroom body calyx and visual regions but not olfactory processing neuropils. Notably, social wasps invest more in the anterior optic tubercle (AOT), a visual glomerulus involved in colour and object processing in other taxa, relative to other visual integration centres the mushroom body calyces compared with aged socially naive wasps. Differences in developmental plasticity between visual and olfactory neuropil volumes are discussed in light of behavioural maturation in paper wasps, especially as it relates to social recognition. Previous research has shown that P. fuscatus need social experience to develop specialized visual processing of faces, which is used to individually recognize conspecifics. The present study suggests that the AOT is a candidate brain region that could mediate facial processing in this species.
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Affiliation(s)
| | - Natalie C. Zaba
- Department of Neurobiology and Behaviour, Cornell University, Ithaca, NY 14853, USA
| | - Michael J. Sheehan
- Department of Neurobiology and Behaviour, Cornell University, Ithaca, NY 14853, USA
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36
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Ragonese G, Baragli P, Mariti C, Gazzano A, Lanatà A, Ferlazzo A, Fazio E, Cravana C. Interspecific two-dimensional visual discrimination of faces in horses (Equus caballus). PLoS One 2021; 16:e0247310. [PMID: 33606816 PMCID: PMC7894942 DOI: 10.1371/journal.pone.0247310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 02/04/2021] [Indexed: 11/18/2022] Open
Abstract
In social animals, recognizing conspecifics and distinguishing them from other animal species is certainly important. We hypothesize, as demonstrated in other species of ungulates, that horses are able to discriminate between the faces of conspecifics and the faces of other domestic species (cattle, sheep, donkeys and pigs). Our hypothesis was tested by studying inter-and intra-specific visual discrimination abilities in horses through a two-way instrumental conditioning task (discrimination and reversal learning), using two-dimensional images of faces as discriminative stimuli and food as a positive reward. Our results indicate that 8 out of 10 horses were able to distinguish between two-dimensional images of the faces of horses and images showing the faces of other species. A similar performance was obtained in the reversal task. The horses’ ability to learn by discrimination is therefore comparable to other ungulates. Horses also showed the ability to learn a reversal task. However, these results were obtained regardless of the images the tested horses were exposed to. We therefore conclude that horses can discriminate between two dimensional images of conspecifics and two dimensional images of different species, however in our study, they were not able to make further subcategories within each of the two categories. Despite the fact that two dimensional images of animals could be treated differently from two dimensional images of non-social stimuli, our results beg the question as to whether a two-dimensional image can replace the real animal in cognitive tests.
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Affiliation(s)
- Giulia Ragonese
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Paolo Baragli
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
- Research Center “E. Piaggio”, University of Pisa, Pisa, Italy
- * E-mail:
| | - Chiara Mariti
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Angelo Gazzano
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Antonio Lanatà
- Department of Information Engineering, University of Florence, Firenze, Italy
| | - Adriana Ferlazzo
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Esterina Fazio
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Cristina Cravana
- Department of Veterinary Sciences, University of Messina, Messina, Italy
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37
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Tibbetts EA, Pardo-Sanchez J, Ramirez-Matias J, Avarguès-Weber A. Individual recognition is associated with holistic face processing in Polistes paper wasps in a species-specific way. Proc Biol Sci 2021; 288:20203010. [PMID: 33468004 DOI: 10.1098/rspb.2020.3010] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Most recognition is based on identifying features, but specialization for face recognition in primates relies on a different mechanism, termed 'holistic processing' where facial features are bound together into a gestalt which is more than the sum of its parts. Here, we test whether individual face recognition in paper wasps also involved holistic processing using a modification of the classic part-whole test in two related paper wasp species: Polistes fuscatus, which use facial patterns to individually identify conspecifics, and Polistes dominula, which lacks individual recognition. We show that P. fuscatus use holistic processing to discriminate between P. fuscatus face images but not P. dominula face images. By contrast, P. dominula do not rely on holistic processing to discriminate between conspecific or heterospecific face images. Therefore, P. fuscatus wasps have evolved holistic face processing, but this ability is highly specific and shaped by species-specific and stimulus-specific selective pressures. Convergence towards holistic face processing in distant taxa (primates, wasps) as well as divergence among closely related taxa with different recognition behaviour (P. dominula, P. fuscatus) suggests that holistic processing may be a universal adaptive strategy to facilitate expertise in face recognition.
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Affiliation(s)
| | | | | | - Aurore Avarguès-Weber
- Centre de Recherches sur la Cognition Animale (CRCA), Centre de Biologie Intégrative (CBI), Université de Toulouse; CNRS, UPS, 118 Route de Narbonne, 31062 Toulouse, France
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38
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Cely Ortiz C, Tibbetts EA. Visual and chemical signals provide different information in
Polistes fuscatus
wasps. Ethology 2020. [DOI: 10.1111/eth.13119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Christian Cely Ortiz
- Department of Ecology and Evolutionary Biology University of Michigan Ann Arbor MI USA
| | - Elizabeth A. Tibbetts
- Department of Ecology and Evolutionary Biology University of Michigan Ann Arbor MI USA
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39
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Parker AN, Wallis GM, Obergrussberger R, Siebeck UE. Categorical face perception in fish: How a fish brain warps reality to dissociate "same" from "different". J Comp Neurol 2020; 528:2919-2928. [PMID: 32406088 DOI: 10.1002/cne.24947] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 04/14/2020] [Accepted: 04/28/2020] [Indexed: 11/07/2022]
Abstract
Categorical perception (CP) is the phenomenon by which a smoothly varying stimulus property undergoes a nonlinear transformation during processing in the brain. Consequently, the stimuli are perceived as belonging to distinct categories separated by a sharp boundary. Originally thought to be largely innate, the discovery of CP in tasks such as novel image discrimination has piqued the interest of cognitive scientists because it provides compelling evidence that learning can shape a category's perceptual boundaries. CP has been particularly closely studied in human face perception. In nonprimates, there is evidence for CP for sound and color discrimination, but not for image or face discrimination. Here, we investigate the potential for learned CP in a lower vertebrate, the damselfish Pomacentrus amboinensis. Specifically, we tested whether the ability of these fish to discriminate complex facial patterns tracked categorical rather than metric differences in the stimuli. We first trained the fish to discriminate sets of two facial patterns. Next, we morphed between these patterns and determined the just noticeable difference (JND) between a morph and original image. Finally, we tested for CP by analyzing the discrimination ability of the fish for pairs of JND stimuli along the spectrum of morphs between two original images. Discrimination performance was significant for the image pair straddling the boundary between categories, and chance for equivalent stimulus pairs on either side, thus producing the classic "category boundary" effect. Our results reveal how perception can be influenced in a top-down manner even in the absence of a visual cortex.
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Affiliation(s)
- Amira N Parker
- School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Guy M Wallis
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Rainer Obergrussberger
- School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Ulrike E Siebeck
- School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia
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40
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Soloveichick M, Kimchi R, Gabay S. Functional involvement of subcortical structures in global-local processing. Cognition 2020; 206:104476. [PMID: 33186747 DOI: 10.1016/j.cognition.2020.104476] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 11/26/2022]
Abstract
The present study examined the involvement of subcortical structures in the processing of global and local information. To this end, we used a stereoscope to present hierarchical stimuli (global shapes composed of local elements) in a dichoptic or a monocular fashion, such that global and local information was either presented to the same eye (same-eye condition) or segregated between the eyes (different-eyes condition). In Experiment 1, the typical global advantage and global-to-local interference were observed for the same-eye presentation condition. On the other hand, no indication of a global advantage or of global-to-local interference emerged in the different-eyes presentation condition. In Experiment 2 we replicated these results, ruling out a possible alternative explanation that the pattern of results observed for the different-eyes presentation condition resulted merely from segregation of the stimulus between the eyes. Rather, the experiment demonstrated that the global-to-local interference was eliminated only when global and local information was segregated between the eyes. Taken together, these findings suggest that processing the global aspect of hierarchical stimuli involves subcortical regions indexed by monocular portions of the visual system.
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Affiliation(s)
- Margarita Soloveichick
- Department of Psychology and the Institute of Information Processing and Decision Making (IIPDM), University of Haifa, Israel.
| | - Ruth Kimchi
- Department of Psychology and the Institute of Information Processing and Decision Making (IIPDM), University of Haifa, Israel
| | - Shai Gabay
- Department of Psychology and the Institute of Information Processing and Decision Making (IIPDM), University of Haifa, Israel.
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41
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Hesse JK, Tsao DY. The macaque face patch system: a turtle’s underbelly for the brain. Nat Rev Neurosci 2020; 21:695-716. [DOI: 10.1038/s41583-020-00393-w] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/30/2020] [Indexed: 02/06/2023]
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42
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Dominance Hierarchy, Ovarian Activity and Cuticular Hydrocarbons in the Primitively Eusocial Wasp Mischocyttarus cerberus (Vespidae, Polistinae, Mischocyttarini). J Chem Ecol 2020; 46:835-844. [PMID: 32789711 DOI: 10.1007/s10886-020-01206-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 06/22/2020] [Accepted: 07/30/2020] [Indexed: 10/23/2022]
Abstract
The dominance hierarchy in primitively eusocial insect societies has been shown to be mainly regulated through aggressive interactions. Females that are generally more dominant stand out and occupy the queen position, meaning that they monopolize reproduction while others perform other tasks. Chemical communication is important for maintaining social cohesion. Cuticular hydrocarbons are recognized as the main molecules responsible for mediating social interactions, especially nestmate recognition and queen signalling. Many highly eusocial groups have been studied in recent years, but primitively eusocial groups, which are key to understanding the evolution of social behavior, remain unexplored. In this study, we investigated the connection between cuticular hydrocarbons in females expressed in different social contexts in the primitively eusocial wasp Mischocyttarus cerberus. Colonies in two different ontogenetic phases, pre- and post-worker emergence, were used. We observed and categorized behavioral interactions between individual females and collected all individuals in a nest to obtain information on size, ovary activation and chemical composition. Furthermore, we conducted experiments in which the alpha (dominant) females were removed from nests to produce a new dominance hierarchy. We found that females in different hierarchical positions had small chemical difference corresponding with ovary activity. Our results support the hypothesis that cuticular hydrocarbons are associated with social context in this primitively eusocial species, with some compounds being associated with hierarchical position and ovarian activity.
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43
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Tibbetts EA, Wong E, Bonello S. Wasps Use Social Eavesdropping to Learn about Individual Rivals. Curr Biol 2020; 30:3007-3010.e2. [DOI: 10.1016/j.cub.2020.05.053] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 04/01/2020] [Accepted: 05/14/2020] [Indexed: 01/05/2023]
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44
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Sheehan MJ, Goldberg J. Animal Behavior: Socially Distanced Wasps Learn About Rivals. Curr Biol 2020; 30:R878-R880. [DOI: 10.1016/j.cub.2020.05.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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45
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Miller SE, Sheehan MJ, Reeve HK. Coevolution of cognitive abilities and identity signals in individual recognition systems. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190467. [PMID: 32420843 PMCID: PMC7331018 DOI: 10.1098/rstb.2019.0467] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/27/2020] [Indexed: 12/24/2022] Open
Abstract
Social interactions are mediated by recognition systems, meaning that the cognitive abilities or phenotypic diversity that facilitate recognition may be common targets of social selection. Recognition occurs when a receiver compares the phenotypes produced by a sender with a template. Coevolution between sender and receiver traits has been empirically reported in multiple species and sensory modalities, though the dynamics and relative exaggeration of traits from senders versus receivers have received little attention. Here, we present a coevolutionary dynamic model that examines the conditions under which senders and receivers should invest effort in facilitating individual recognition. The model predicts coevolution of sender and receiver traits, with the equilibrium investment dependent on the relative costs of signal production versus cognition. In order for recognition to evolve, initial sender and receiver trait values must be above a threshold, suggesting that recognition requires some degree of pre-existing diversity and cognitive abilities. The analysis of selection gradients demonstrates that the strength of selection on sender signals and receiver cognition is strongest when the trait values are furthest from the optima. The model provides new insights into the expected strength and dynamics of selection during the origin and elaboration of individual recognition, an important feature of social cognition in many taxa. This article is part of the theme issue 'Signal detection theory in recognition systems: from evolving models to experimental tests'.
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Affiliation(s)
| | - Michael J. Sheehan
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA
| | - H. Kern Reeve
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA
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46
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Rossi N, Derégnaucourt S. Mechanisms of recognition in birds and social Hymenoptera: from detection to information processing. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190483. [PMID: 32420859 PMCID: PMC7331013 DOI: 10.1098/rstb.2019.0483] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2020] [Indexed: 11/12/2022] Open
Abstract
In this opinion piece, we briefly review our knowledge of the mechanisms underlying auditory individual recognition in birds and chemical nest-mate recognition in social Hymenoptera. We argue that even though detection and perception of recognition cues are well studied in social Hymenoptera, the neural mechanisms remain a black box. We compare our knowledge of these insect systems with that of the well-studied avian 'song control system'. We suggest that future studies on recognition should focus on the hypothesis of a distributed template instead of trying to locate the seat of the template as recent results do not seem to point in that direction. This article is part of the theme issue 'Signal detection theory in recognition systems: from evolving models to experimental tests'.
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Affiliation(s)
- Natacha Rossi
- Laboratory of Experimental and Comparative Ethology, University of Paris 13, Sorbonne Paris Cité, 99 avenue J.-B., Clément, 93430 Villetaneuse, France
| | - Sébastien Derégnaucourt
- Laboratory Ethology Cognition Development, University Paris Nanterre, University Paris Lumières, 200 avenue de la République, 92001 Nanterre, France
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Webster MM, Laland KN. No evidence for individual recognition in threespine or ninespine sticklebacks ( Gasterosteus aculeatus or Pungitius pungitius). ROYAL SOCIETY OPEN SCIENCE 2020; 7:191703. [PMID: 32874600 PMCID: PMC7428269 DOI: 10.1098/rsos.191703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 06/17/2020] [Indexed: 06/11/2023]
Abstract
Recognition plays an important role in the formation and organization of animal groups. Many animals are capable of class-level recognition, discriminating, for example, on the basis of species, kinship or familiarity. Individual recognition requires that animals recognize distinct cues, and learn to associate these with the specific individual from which they are derived. In this study, we asked whether sticklebacks (Gasterosteus aculeatus and Pungitius pungitius) were capable of learning to recognize individual conspecifics. We have used these fish as model organisms for studying selective social learning, and demonstrating a capacity for individual recognition in these species would provide an exciting opportunity for studying how biases for copying specific individuals shape the dynamics of information transmission. To test for individual recognition, we trained subjects to associate green illumination with the provision of a food reward close to one of two conspecifics, and, for comparison, one of two physical landmarks. Both species were capable of recognizing the rewarded landmark, but neither showed a preference for associating with the rewarded conspecific. Our study provides no evidence for individual recognition in either species. We speculate that the fission-fusion structure of their social groups may not favour a capacity for individual recognition.
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Affiliation(s)
- Mike M. Webster
- Centre for Biological Diversity, School of Biology, University of St Andrews, St Andrews, Fife KY16 9TF, UK
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Proteins from femoral gland secretions of male rock lizards Iberolacerta cyreni allow self—but not individual—recognition of unfamiliar males. Behav Ecol Sociobiol 2020. [DOI: 10.1007/s00265-020-02847-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Dytham C, Thom MDF. Population fragmentation drives up genetic diversity in signals of individual identity. OIKOS 2020. [DOI: 10.1111/oik.06743] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Michael D. F. Thom
- School of Biological and Marine Sciences, Univ. of Plymouth PL4 8AA Plymouth UK
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Green PA, Brandley NC, Nowicki S. Categorical perception in animal communication and decision-making. Behav Ecol 2020. [DOI: 10.1093/beheco/araa004] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Abstract
The information an animal gathers from its environment, including that associated with signals, often varies continuously. Animals may respond to this continuous variation in a physical stimulus as lying in discrete categories rather than along a continuum, a phenomenon known as categorical perception. Categorical perception was first described in the context of speech and thought to be uniquely associated with human language. Subsequent work has since discovered that categorical perception functions in communication and decision-making across animal taxa, behavioral contexts, and sensory modalities. We begin with an overview of how categorical perception functions in speech perception and, then, describe subsequent work illustrating its role in nonhuman animal communication and decision-making. We synthesize this work to suggest that categorical perception may be favored where there is a benefit to 1) setting consistent behavioral response rules in the face of variation and potential overlap in the physical structure of signals, 2) especially rapid decision-making, or 3) reducing the costs associated with processing and/or comparing signals. We conclude by suggesting other systems in which categorical perception may play a role as a next step toward understanding how this phenomenon may influence our thinking about the function and evolution of animal communication and decision-making.
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Affiliation(s)
- Patrick A Green
- Centre for Ecology and Conservation, College of Life and Environmental Sciences, University of Exeter, Penryn, Cornwall, UK
- Biology Department, Duke University, Duke University, Durham, NC, USA
| | - Nicholas C Brandley
- Department of Biology, College of Wooster, Ruth W. Williams Hall, Wooster, OH, USA
| | - Stephen Nowicki
- Biology Department, Duke University, Duke University, Durham, NC, USA
- Department of Neurobiology, Duke University Medical School, Durham, NC, USA
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