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Lucon-Xiccato T. Inhibitory control in teleost fish: a methodological and conceptual review. Anim Cogn 2024; 27:27. [PMID: 38530456 DOI: 10.1007/s10071-024-01867-5] [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: 07/11/2023] [Revised: 03/09/2024] [Accepted: 03/11/2024] [Indexed: 03/28/2024]
Abstract
Inhibitory control (IC) plays a central role in behaviour control allowing an individual to resist external lures and internal predispositions. While IC has been consistently investigated in humans, other mammals, and birds, research has only recently begun to explore IC in other vertebrates. This review examines current literature on teleost fish, focusing on both methodological and conceptual aspects. I describe the main paradigms adopted to study IC in fish, identifying well-established tasks that fit various research applications and highlighting their advantages and limitations. In the conceptual analysis, I identify two well-developed lines of research with fish examining IC. The first line focuses on a comparative approach aimed to describe IC at the level of species and to understand the evolution of interspecific differences in relation to ecological specialisation, brain size, and factors affecting cognitive performance. Findings suggest several similarities between fish and previously studied vertebrates. The second line of research focuses on intraspecific variability of IC. Available results indicate substantial variation in fish IC related to sex, personality, genetic, age, and phenotypic plasticity, aligning with what is observed with other vertebrates. Overall, this review suggests that although data on teleosts are still scarce compared to mammals, the contribution of this group to IC research is already substantial and can further increase in various disciplines including comparative psychology, cognitive ecology, and neurosciences, and even in applied fields such as psychiatry research.
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Affiliation(s)
- Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy.
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Montalbano G, Bertolucci C, Bisazza A, Lucon-Xiccato T. Interspecific differences in developmental mode determine early cognitive abilities in teleost fish. Anim Cogn 2023; 26:1893-1903. [PMID: 37831192 PMCID: PMC10769910 DOI: 10.1007/s10071-023-01828-4] [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: 06/16/2023] [Revised: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 10/14/2023]
Abstract
Most studies on developmental variation in cognition have suggested that individuals are born with reduced or absent cognitive abilities, and thereafter, cognitive performance increases with age during early development. However, these studies have been mainly performed in altricial species, such as humans, in which offspring are extremely immature at birth. In this work, we tested the hypothesis that species with other developmental modes might show different patterns of cognitive development. To this end, we analysed inhibitory control performance in two teleost species with different developmental modes, the zebrafish Danio rerio and the guppy Poecilia reticulata, exploiting a simple paradigm based on spontaneous behaviour and therefore applicable to subjects of different ages. Zebrafish hatch as larvae 3 days after fertilisation, and have an immature nervous system, a situation that mirrors extreme altriciality. We found that at the early stages of development, zebrafish displayed no evidence of inhibitory control, which only begun to emerge after one month of life. Conversely, guppies, which are born after approximately one month of gestation as fully developed and independent individuals, solved the inhibitory control task since their first days of life, although performance increased with sexual maturation. Our study suggests that the typical progression described during early ontogeny in humans and other species might not be the only developmental trend for animals' cognition and that a species' developmental mode might determine variation in cognition across subjects of different age.
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Affiliation(s)
- Giulia Montalbano
- Department of Life Sciences and Biotechnology, University of Ferrara, Via L. Borsari 46, 44121, Ferrara, Italy
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, Via L. Borsari 46, 44121, Ferrara, Italy
| | - Angelo Bisazza
- Department of General Psychology, University of Padua, Padua, Italy
| | - Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Via L. Borsari 46, 44121, Ferrara, Italy.
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Lucon-Xiccato T, Montalbano G, Gatto E, Frigato E, D'Aniello S, Bertolucci C. Individual differences and knockout in zebrafish reveal similar cognitive effects of BDNF between teleosts and mammals. Proc Biol Sci 2022; 289:20222036. [PMID: 36541170 PMCID: PMC9768640 DOI: 10.1098/rspb.2022.2036] [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: 10/11/2022] [Accepted: 11/28/2022] [Indexed: 12/24/2022] Open
Abstract
The remarkable similarities in cognitive performance between teleosts and mammals suggest that the underlying cognitive mechanisms might also be similar in these two groups. We tested this hypothesis by assessing the effects of the brain-derived neurotrophic factor (BDNF), which is critical for mammalian cognitive functioning, on fish's cognitive abilities. We found that individual differences in zebrafish's learning abilities were positively correlated with bdnf expression. Moreover, a CRISPR/Cas9 mutant zebrafish line that lacks the BDNF gene (bdnf-/-) showed remarkable learning deficits. Half of the mutants failed a colour discrimination task, whereas the remaining mutants learned the task slowly, taking three times longer than control bdnf+/+ zebrafish. The mutants also took twice as long to acquire a T-maze task compared to control zebrafish and showed difficulties exerting inhibitory control. An analysis of habituation learning revealed that cognitive impairment in mutants emerges early during development, but could be rescued with a synthetic BDNF agonist. Overall, our study indicates that BDNF has a similar activational effect on cognitive performance in zebrafish and in mammals, supporting the idea that its function is conserved in vertebrates.
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Affiliation(s)
- Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Giulia Montalbano
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Elia Gatto
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Ferrara, Italy
| | - Elena Frigato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Salvatore D'Aniello
- Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Napoli, Italy
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
- Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Napoli, Italy
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Lucon-Xiccato T. The contribution of executive functions to sex differences in animal cognition. Neurosci Biobehav Rev 2022; 138:104705. [PMID: 35605792 DOI: 10.1016/j.neubiorev.2022.104705] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/22/2022] [Accepted: 05/17/2022] [Indexed: 01/17/2023]
Abstract
Cognitive sex differences have been reported in several vertebrate species, mostly in spatial abilities. Here, I review evidence of sex differences in a family of general cognitive functions that control behaviour and cognition, i.e., executive functions such as cognitive flexibility and inhibitory control. Most of this evidence derives from studies in teleost fish. However, analysis of literature from other fields (e.g., biomedicine, genetic, ecology) concerning mammals and birds reveals that more than 40% of species investigated exhibit sex differences in executive functions. Among species, the direction and magnitude of these sex differences vary greatly, even within the same family, suggesting sex-specific selection due to species' reproductive systems and reproductive roles of males and females. Evidence also suggests that sex differences in executive functions might provide males and females highly differentiated cognitive phenotypes. To understand the evolution of cognitive sex differences in vertebrates, future research should consider executive functions.
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Affiliation(s)
- Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Via Borsari 46, 44121 Ferrara, Italy.
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Davidson GL, Reichert MS, Coomes JR, Kulahci IG, de la Hera I, Quinn JL. Inhibitory control performance is repeatable over time and across contexts in a wild bird population. Anim Behav 2022. [DOI: 10.1016/j.anbehav.2022.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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de Abreu MS, C V V Giacomini A, Genario R, Fontana BD, Parker MO, Marcon L, Scolari N, Bueno B, Demin KA, Galstyan D, Kolesnikova TO, Amstislavskaya TG, Zabegalov KN, Strekalova T, Kalueff AV. Zebrafish models of impulsivity and impulse control disorders. Eur J Neurosci 2020; 52:4233-4248. [PMID: 32619029 DOI: 10.1111/ejn.14893] [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: 04/06/2020] [Revised: 05/25/2020] [Accepted: 06/18/2020] [Indexed: 12/22/2022]
Abstract
Impulse control disorders (ICDs) are characterized by generalized difficulty controlling emotions and behaviors. ICDs are a broad group of the central nervous system (CNS) disorders including conduct disorder, intermittent explosive, oppositional-defiant disorder, antisocial personality disorder, kleptomania, pyromania and other illnesses. Although they all share a common feature (aberrant impulsivity), their pathobiology is complex and poorly understood. There are also currently no ICD-specific therapies to treat these illnesses. Animal models are a valuable tool for studying ICD pathobiology and potential therapies. The zebrafish (Danio rerio) has become a useful model organism to study CNS disorders due to high genetic and physiological homology to mammals, and sensitivity to various pharmacological and genetic manipulations. Here, we summarize experimental models of impulsivity and ICD in zebrafish and highlight their growing translational significance. We also emphasize the need for further development of zebrafish ICD models to improve our understanding of their pathogenesis and to search for novel therapeutic treatments.
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Affiliation(s)
- Murilo S de Abreu
- Bioscience Institute, University of Passo Fundo, Passo Fundo, Brazil.,The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, LA, USA
| | - Ana C V V Giacomini
- Bioscience Institute, University of Passo Fundo, Passo Fundo, Brazil.,Postgraduate Program in Environmental Sciences, University of Passo Fundo, Passo Fundo, Brazil
| | - Rafael Genario
- Bioscience Institute, University of Passo Fundo, Passo Fundo, Brazil
| | - Barbara D Fontana
- Brain and Behaviour Laboratory, School of Pharmacy and Biomedical Sciences, University of Portsmouth, UK
| | - Matthew O Parker
- Brain and Behaviour Laboratory, School of Pharmacy and Biomedical Sciences, University of Portsmouth, UK
| | - Leticia Marcon
- Bioscience Institute, University of Passo Fundo, Passo Fundo, Brazil
| | - Naiara Scolari
- Bioscience Institute, University of Passo Fundo, Passo Fundo, Brazil
| | - Barbara Bueno
- Bioscience Institute, University of Passo Fundo, Passo Fundo, Brazil
| | - Konstantin A Demin
- Institute of Experimental Medicine, Almazov National Medical Research Center, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia.,Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - David Galstyan
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Tatyana O Kolesnikova
- Institute of Experimental Medicine, Almazov National Medical Research Center, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
| | | | | | - Tatyana Strekalova
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University, Moscow, Russia.,School for Mental Health and Neuroscience, Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands.,Division of Molecular Psychiatry, Center of Mental Health, University of Würzburg, Würzburg, Germany.,Institute of General Pathology and Pathophysiology, University of Würzburg, Moscow, Russia
| | - Allan V Kalueff
- School of Pharmacy, Southwest University, Chongqing, China.,Laboratory of Petrochemistry, Ural Federal University, Ekaterinburg, Russia
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