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Pecunioso A, Aleotti E, Agrillo C. Do body colour and sociability impact scototaxis response of fish? Sci Rep 2024; 14:16717. [PMID: 39030305 PMCID: PMC11271562 DOI: 10.1038/s41598-024-67473-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 07/10/2024] [Indexed: 07/21/2024] Open
Abstract
Scototaxis test is an anxiety-like test used by behavioural neuroscientists consisting in the assessment of dark/light preference of laboratory animals. This test has been widely used in fish. Most of the species have been shown to express a preference for the dark environment. However, the majority of the investigated species has a dark body colour, thus making a clear contrast with a white/bright background. Also, while in nature fish tend to be highly social, studies in the scototaxis literature tested single fish. Yet, individual vs. group behaviour might interact with scototaxis response. In experiment 1, we assessed the individual response to test the hypothesis that the different colours of the body might modulate the dark/light preference. We found that species with a dark body colour (Hyphessobrycon megalopterus) and a largely transparent body colour (Kryptopterus bicirrhis) strongly preferred the darker environment. Instead, the preference for darkness of a species with a luminescent part of the body (Paracheirodon axelrodi) was less pronounced. Lastly, a species with a white body colour (Corydoras albini) did not prefer either a bright or a dark sector. In experiment 2, we explored the behaviour of these species when inserted in shoals of 20 individuals in the experimental apparatus. While H. megalopterus and K. bichirrhis confirmed their robust preference for darker environments, the other two species changed their preference. Taken together, these results suggest that scototaxis response is context-dependent, as it appears to be modulated by the body colour and the presence/absence of other conspecifics in the surrounding.
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Affiliation(s)
| | - Elena Aleotti
- Department of General Psychology, University of Padova, Padova, Italy
| | - Christian Agrillo
- Department of General Psychology, University of Padova, Padova, Italy
- Padua Neuroscience Center, University of Padova, Padova, Italy
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2
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van Herk L, Schilder FP, de Weijer AD, Bruinsma B, Geuze E. Heightened SAM- and HPA-axis activity during acute stress impairs decision-making: A systematic review on underlying neuropharmacological mechanisms. Neurobiol Stress 2024; 31:100659. [PMID: 39070283 PMCID: PMC11277380 DOI: 10.1016/j.ynstr.2024.100659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 02/05/2024] [Accepted: 06/26/2024] [Indexed: 07/30/2024] Open
Abstract
Individuals might be exposed to intense acute stress while having to make decisions with far-reaching consequences. Acute stress impairs processes required for decision-making by activating different biological stress cascades that in turn affect the brain. By knowing which stress system, brain areas, and receptors are responsible for compromised decision-making processes, we can effectively find potential pharmaceutics that can prevent the deteriorating effects of acute stress. We used a systematic review procedure and found 44 articles providing information on this topic. Decision-making processes could be subdivided into 4 domains (cognitive, motivational, affective, and predictability) and could be referenced to specific brain areas, while mostly being impaired by molecules associated with the sympathetic-adrenal-medullar and hypothalamic-pituitary-adrenal axes. Potential drugs to alleviate these effects included α1 and β adrenoceptor antagonists, α2 adrenoceptor agonists, and corticotropin releasing factor receptor1/2 antagonists, while consistent stress-like effects were found with yohimbine, an α2 adrenoceptor antagonist. We suggest possible avenues for future research.
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Affiliation(s)
- Lukas van Herk
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
| | - Frank P.M. Schilder
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
| | - Antoin D. de Weijer
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
| | - Bastiaan Bruinsma
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
| | - Elbert Geuze
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
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Wang XT, Hill S, Cao H. Editorial: Neuropsychology of human social decision-making: the role of emotions. Front Neurosci 2024; 18:1405057. [PMID: 38887371 PMCID: PMC11181842 DOI: 10.3389/fnins.2024.1405057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 05/21/2024] [Indexed: 06/20/2024] Open
Affiliation(s)
- X. T. Wang
- Applied Psychology Division of the School of Humanities and Social Science, The Chinese University of Hong Kong, Shenzhen, China
| | - Sarah Hill
- Psychology Department, Texas Christian University, Fort Worth, TX, United States
| | - Hongjian Cao
- Psychology Department, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
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Franch M, Yellapantula S, Parajuli A, Kharas N, Wright A, Aazhang B, Dragoi V. Visuo-frontal interactions during social learning in freely moving macaques. Nature 2024; 627:174-181. [PMID: 38355804 PMCID: PMC10959748 DOI: 10.1038/s41586-024-07084-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 01/16/2024] [Indexed: 02/16/2024]
Abstract
Social interactions represent a ubiquitous aspect of our everyday life that we acquire by interpreting and responding to visual cues from conspecifics1. However, despite the general acceptance of this view, how visual information is used to guide the decision to cooperate is unknown. Here, we wirelessly recorded the spiking activity of populations of neurons in the visual and prefrontal cortex in conjunction with wireless recordings of oculomotor events while freely moving macaques engaged in social cooperation. As animals learned to cooperate, visual and executive areas refined the representation of social variables, such as the conspecific or reward, by distributing socially relevant information among neurons in each area. Decoding population activity showed that viewing social cues influences the decision to cooperate. Learning social events increased coordinated spiking between visual and prefrontal cortical neurons, which was associated with improved accuracy of neural populations to encode social cues and the decision to cooperate. These results indicate that the visual-frontal cortical network prioritizes relevant sensory information to facilitate learning social interactions while freely moving macaques interact in a naturalistic environment.
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Affiliation(s)
- Melissa Franch
- Deparment of Neurobiology and Anatomy, McGovern Medical School, University of Texas, Houston, TX, USA
| | - Sudha Yellapantula
- Department of Electrical and Computer Engineering, Rice University, Houston, TX, USA
| | - Arun Parajuli
- Deparment of Neurobiology and Anatomy, McGovern Medical School, University of Texas, Houston, TX, USA
| | - Natasha Kharas
- Deparment of Neurobiology and Anatomy, McGovern Medical School, University of Texas, Houston, TX, USA
| | - Anthony Wright
- Deparment of Neurobiology and Anatomy, McGovern Medical School, University of Texas, Houston, TX, USA
| | - Behnaam Aazhang
- Department of Electrical and Computer Engineering, Rice University, Houston, TX, USA
| | - Valentin Dragoi
- Deparment of Neurobiology and Anatomy, McGovern Medical School, University of Texas, Houston, TX, USA.
- Department of Electrical and Computer Engineering, Rice University, Houston, TX, USA.
- Neuroengineering Initiative, Rice University, Houston, TX, USA.
- Houston Methodist Research Institute, Houston, TX, USA.
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Bergman TJ, Beehner JC. Information Ecology: an integrative framework for studying animal behavior. Trends Ecol Evol 2023; 38:1041-1050. [PMID: 37820577 DOI: 10.1016/j.tree.2023.05.017] [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: 12/01/2022] [Revised: 05/17/2023] [Accepted: 05/24/2023] [Indexed: 10/13/2023]
Abstract
Information is simultaneously a valuable resource for animals and a tractable variable for researchers. We propose the name Information Ecology to describe research focused on how individual animals use information to enhance fitness. An explicit focus on information in animal behavior is far from novel - we simply build on these ideas and promote a unified approach to how and why animals use information. The value of information to animals favors the theoretically rich adaptive approach of field-based research. Simultaneously, our ability to manipulate information lends itself to the strong methods of laboratory-based research. Information Ecology asks three questions: What information is available? How is it used (or not)? And, why is it used (or not)?
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Affiliation(s)
- Thore J Bergman
- Department of Psychology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Jacinta C Beehner
- Department of Psychology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Anthropology, University of Michigan, Ann Arbor, MI 48109, USA
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Kareklas K, Teles MC, Nunes AR, Oliveira RF. Social zebrafish: Danio rerio as an emerging model in social neuroendocrinology. J Neuroendocrinol 2023; 35:e13280. [PMID: 37165563 DOI: 10.1111/jne.13280] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 05/12/2023]
Abstract
The fitness benefits of social life depend on the ability of animals to affiliate with others and form groups, on dominance hierarchies within groups that determine resource distribution, and on cognitive capacities for recognition, learning and information transfer. The evolution of these phenotypes is coupled with that of neuroendocrine mechanisms, but the causal link between the two remains underexplored. Growing evidence from our research group and others demonstrates that the tools available in zebrafish, Danio rerio, can markedly facilitate progress in this field. Here, we review this evidence and provide a synthesis of the state-of-the-art in this model system. We discuss the involvement of generalized motivation and cognitive components, neuroplasticity and functional connectivity across social decision-making brain areas, and how these are modulated chiefly by the oxytocin-vasopressin neuroendocrine system, but also by reward-pathway monoamine signaling and the effects of sex-hormones and stress physiology.
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Affiliation(s)
| | - Magda C Teles
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
- ISPA-Instituto Universitário, Lisbon, Portugal
| | | | - Rui F Oliveira
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
- ISPA-Instituto Universitário, Lisbon, Portugal
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Lima Dias Pinto I, Rungratsameetaweemana N, Flaherty K, Periyannan A, Meghdadi A, Richard C, Berka C, Bansal K, Garcia JO. Intermittent brain network reconfigurations and the resistance to social media influence. Netw Neurosci 2022; 6:870-896. [PMID: 36605415 PMCID: PMC9810364 DOI: 10.1162/netn_a_00255] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 05/10/2022] [Indexed: 01/09/2023] Open
Abstract
Since its development, social media has grown as a source of information and has a significant impact on opinion formation. Individuals interact with others and content via social media platforms in a variety of ways, but it remains unclear how decision-making and associated neural processes are impacted by the online sharing of informational content, from factual to fabricated. Here, we use EEG to estimate dynamic reconfigurations of brain networks and probe the neural changes underlying opinion change (or formation) within individuals interacting with a simulated social media platform. Our findings indicate that the individuals who changed their opinions are characterized by less frequent network reconfigurations while those who did not change their opinions tend to have more flexible brain networks with frequent reconfigurations. The nature of these frequent network configurations suggests a fundamentally different thought process between intervals in which individuals are easily influenced by social media and those in which they are not. We also show that these reconfigurations are distinct to the brain dynamics during an in-person discussion with strangers on the same content. Together, these findings suggest that brain network reconfigurations may not only be diagnostic to the informational context but also the underlying opinion formation.
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Affiliation(s)
| | | | - Kristen Flaherty
- US DEVCOM Army Research Laboratory, Aberdeen Proving Ground, MD, USA,Cornell Tech, New York, NY, USA
| | - Aditi Periyannan
- US DEVCOM Army Research Laboratory, Aberdeen Proving Ground, MD, USA,Tufts University, Medford, MA, USA
| | | | | | - Chris Berka
- Advanced Brain Monitoring, Carlsbad, CA, USA
| | - Kanika Bansal
- US DEVCOM Army Research Laboratory, Aberdeen Proving Ground, MD, USA,Department of Biomedical Engineering, Columbia University, New York, NY, USA,* Corresponding Authors: ;
| | - Javier Omar Garcia
- US DEVCOM Army Research Laboratory, Aberdeen Proving Ground, MD, USA,* Corresponding Authors: ;
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Wallace KJ, Choudhary KD, Kutty LA, Le DH, Lee MT, Wu K, Hofmann HA. Social ascent changes cognition, behaviour and physiology in a highly social cichlid fish. Philos Trans R Soc Lond B Biol Sci 2022; 377:20200448. [PMID: 35000445 PMCID: PMC8743896 DOI: 10.1098/rstb.2020.0448] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
When an individual ascends in dominance status within their social community, they often undergo a suite of behavioural, physiological and neuromolecular changes. While these changes have been extensively characterized across a number of species, we know much less about the degree to which these changes in turn influence cognitive processes like associative learning, memory and spatial navigation. Here, we assessed male Astatotilapia burtoni, an African cichlid fish known for its dynamic social dominance hierarchies, in a set of cognitive tasks both before and after a community perturbation in which some individuals ascended in dominance status. We assayed steroid hormone (cortisol, testosterone) levels before and after the community experienced a social perturbation. We found that ascending males changed their physiology and novel object recognition preference during the perturbation, and they subsequently differed in social competence from non-ascenders. Additionally, using a principal component analysis we were able to identify specific cognitive and physiological attributes that appear to predispose certain individuals to ascend in social status once a perturbation occurs. These previously undiscovered relationships between social ascent and cognition further emphasize the broad influence of social dominance on animal decision-making. 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)
- Kelly J. Wallace
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA
| | - Kavyaa D. Choudhary
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA
| | - Layla A. Kutty
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA
| | - Don H. Le
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA
| | - Matthew T. Lee
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA
| | - Karleen Wu
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA
| | - Hans A. Hofmann
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA,Institute for Neuroscience, The University of Texas, Austin, TX 78712, USA
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Kavaliers M, Ossenkopp KP, Tyson CD, Bishnoi IR, Choleris E. Social factors and the neurobiology of pathogen avoidance. Biol Lett 2022; 18:20210371. [PMID: 35193366 PMCID: PMC8864371 DOI: 10.1098/rsbl.2021.0371] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 01/24/2022] [Indexed: 12/21/2022] Open
Abstract
Although the evolutionary causes and consequences of pathogen avoidance have been gaining increasing interest, there has been less attention paid to the proximate neurobiological mechanisms. Animals gauge the infection status of conspecifics and the threat they represent on the basis of various sensory and social cues. Here, we consider the neurobiology of pathogen detection and avoidance from a cognitive, motivational and affective state (disgust) perspective, focusing on the mechanisms associated with activating and directing parasite/pathogen avoidance. Drawing upon studies with laboratory rodents, we briefly discuss aspects of (i) olfactory-mediated recognition and avoidance of infected conspecifics; (ii) relationships between pathogen avoidance and various social factors (e.g. social vigilance, social distancing (approach/avoidance), social salience and social reward); (iii) the roles of various brain regions (in particular the amygdala and insular cortex) and neuromodulators (neurotransmitters, neuropeptides, steroidal hormones and immune components) in the regulation of pathogen avoidance. We propose that understanding the proximate neurobiological mechanisms can provide insights into the ecological and evolutionary consequences of the non-consumptive effects of pathogens and how, when and why females and males engage in pathogen avoidance.
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Affiliation(s)
- Martin Kavaliers
- Department of Psychology and Neuroscience Program, University of Western Ontario, London, Ontario, Canada N6A 5C1
- Department of Psychology and Neuroscience Program, University of Guelph, Guelph, Ontario, Canada N1G 2W1
| | - Klaus-Peter Ossenkopp
- Department of Psychology and Neuroscience Program, University of Western Ontario, London, Ontario, Canada N6A 5C1
| | - Cashmeira-Dove Tyson
- Department of Psychology and Neuroscience Program, University of Western Ontario, London, Ontario, Canada N6A 5C1
| | - Indra R. Bishnoi
- Department of Psychology and Neuroscience Program, University of Western Ontario, London, Ontario, Canada N6A 5C1
| | - Elena Choleris
- Department of Psychology and Neuroscience Program, University of Guelph, Guelph, Ontario, Canada N1G 2W1
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