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Borba JV, Canzian J, Resmim CM, Silva RM, Duarte MCF, Mohammed KA, Schoenau W, Adedara IA, Rosemberg DB. Towards zebrafish models to unravel translational insights of obsessive-compulsive disorder: A neurobehavioral perspective. Neurosci Biobehav Rev 2024; 162:105715. [PMID: 38734195 DOI: 10.1016/j.neubiorev.2024.105715] [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: 01/30/2024] [Revised: 04/08/2024] [Accepted: 05/04/2024] [Indexed: 05/13/2024]
Abstract
Obsessive-compulsive disorder (OCD) is a chronic and debilitating illness that has been considered a polygenic and multifactorial disorder, challenging effective therapeutic interventions. Although invaluable advances have been obtained from human and rodent studies, several molecular and mechanistic aspects of OCD etiology are still obscure. Thus, the use of non-traditional animal models may foster innovative approaches in this field, aiming to elucidate the underlying mechanisms of disease from an evolutionary perspective. The zebrafish (Danio rerio) has been increasingly considered a powerful organism in translational neuroscience research, especially due to the intrinsic features of the species. Here, we outline target mechanisms of OCD for translational research, and discuss how zebrafish-based models can contribute to explore neurobehavioral aspects resembling those found in OCD. We also identify possible advantages and limitations of potential zebrafish-based models, as well as highlight future directions in both etiological and therapeutic research. Lastly, we reinforce the use of zebrafish as a promising tool to unravel the biological basis of OCD, as well as novel pharmacological therapies in the field.
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Affiliation(s)
- João V Borba
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.
| | - Julia Canzian
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Cássio M Resmim
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Rossano M Silva
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Maria C F Duarte
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Khadija A Mohammed
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - William Schoenau
- Department of Physiology and Pharmacology, Health Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Isaac A Adedara
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
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2
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Suzuki R, Woo JZ, Thumberger T, Hofmann G, Wittbrodt J, Tavhelidse-Suck T. Characterizing medaka visual features using a high-throughput optomotor response assay. PLoS One 2024; 19:e0302092. [PMID: 38941325 DOI: 10.1371/journal.pone.0302092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/16/2024] [Indexed: 06/30/2024] Open
Abstract
Medaka fish (Oryzias latipes) is a powerful model to study genetics underlying the developmental and functional traits of the vertebrate visual system. We established a simple and high-throughput optomotor response (OMR) assay utilizing medaka larvae to study visual functions including visual acuity and contrast sensitivity. Our assay presents multiple adjustable stripes in motion to individual fish in a linear arena. For that the OMR assay employs a tablet display and the Fish Stripes software to adjust speed, width, color, and contrast of the stripes. Our results demonstrated that optomotor responses were robustly induced by black and white stripes presented from below in the linear-pool-arena. We detected robust strain specific differences in the OMR when comparing long established medaka inbred strains. We observed an interesting training effect upon the initial exposure of larvae to thick stripes, which allowed them to better respond to narrower stripes. The OMR setup and protocol presented here provide an efficient tool for quantitative phenotype mapping, addressing visual acuity, trainability of cortical neurons, color sensitivity, locomotor response, retinal regeneration and others. Our open-source setup presented here provides a crucial prerequisite for ultimately addressing the genetic basis of those processes.
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Affiliation(s)
- Risa Suzuki
- Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
- Heidelberg Biosciences International Graduate School (HBIGS), Heidelberg, Germany
| | - Jia Zheng Woo
- Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Thomas Thumberger
- Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Gero Hofmann
- Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Joachim Wittbrodt
- Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
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Müller M, Pillay N. Cognitive flexibility in urban yellow mongooses, Cynictis penicillata. Anim Cogn 2024; 27:14. [PMID: 38429567 PMCID: PMC10907452 DOI: 10.1007/s10071-024-01839-9] [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: 08/28/2023] [Revised: 12/19/2023] [Accepted: 12/19/2023] [Indexed: 03/03/2024]
Abstract
Cognitive flexibility enables animals to alter their behaviour and respond appropriately to environmental changes. Such flexibility is important in urban settings where environmental changes occur rapidly and continually. We studied whether free-living, urban-dwelling yellow mongooses, Cynictis penicillata, in South Africa, are cognitively flexible in reversal learning and attention task experiments (n = 10). Reversal learning was conducted using two puzzle boxes that were distinct visually and spatially, each containing a preferred or non-preferred food type. Once mongooses learned which box contained the preferred food type, the food types were reversed. The mongooses successfully unlearned their previously learned response in favour of learning a new response, possibly through a win-stay, lose-shift strategy. Attention task experiments were conducted using one puzzle box surrounded by zero, one, two or three objects, introducing various levels of distraction while solving the task. The mongooses were distracted by two and three distractions but were able to solve the task despite the distractions by splitting their attention between the puzzle box task and remaining vigilant. However, those exposed to human residents more often were more vigilant. We provide the first evidence of cognitive flexibility in urban yellow mongooses, which enables them to modify their behaviour to urban environments.
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Affiliation(s)
- Mijke Müller
- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa.
| | - Neville Pillay
- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Brunet V, Lafond T, Kleiber A, Lansade L, Calandreau L, Colson V. Environmental enrichment improves cognitive flexibility in rainbow trout in a visual discrimination task: first insights. Front Vet Sci 2023; 10:1184296. [PMID: 37396987 PMCID: PMC10313407 DOI: 10.3389/fvets.2023.1184296] [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: 03/11/2023] [Accepted: 05/09/2023] [Indexed: 07/04/2023] Open
Abstract
Research on fish cognition provides strong evidence that fish are endowed with high level cognitive skills. However, most studies on cognitive flexibility and generalization abilities, two key adaptive traits for captive animals, focused on model species, and farmed fish received too little attention. Environmental enrichment was shown to improve learning abilities in various fish species, but its influence on cognitive flexibility and generalization abilities is still unknown. We studied farmed rainbow trout (Oncorhynchus mykiss) as an aquaculture model to study how environmental enrichment impacts their cognitive abilities. Using an operant conditioning device, allowing the expression of a motivated choice, we measured fish cognitive flexibility with serial reversal learning tests, after a successful acquisition phase based on two colors discrimination (2-alternative forced choice, 2-AFC), and their ability to generalize a rewarded color to any shape. Eight fish were divided into two groups: Condition E (fish reared from fry stages under enriched conditions with plants, rocks and pipes for ~9 months); Condition B (standard barren conditions). Only one fish (condition E) failed in the habituation phase of the device and one fish (condition B) failed in the 2-AFC task. We showed that after a successful acquisition phase in which the fish correctly discriminated two colors, they all succeeded in four reversal learnings, supporting evidence for cognitive flexibility in rainbow trout. They were all successful in the generalization task. Interestingly, fish reared in an enriched environment performed better in the acquisition phase and in the reversal learning (as evidenced by fewer trials needed to reach the learning criterion), but not in the generalization task. We assume that color-based generalization may be a simpler cognitive process than discriminative learning and cognitive flexibility, and does not seem to be influenced by environmental conditions. Given the small number of individuals tested, our results may be considered as first insights into cognitive flexibility in farmed fish using an operant conditioning device, but they pave the way for future studies. We conclude that farming conditions should take into account the cognitive abilities of fish, in particular their cognitive flexibility, by allowing them to live in an enriched environment.
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Affiliation(s)
- Valentin Brunet
- Laboratoire de Physiologie et Génomique des Poissons, INRAE, Rennes, France
| | - Thomas Lafond
- Laboratoire de Physiologie et Génomique des Poissons, INRAE, Rennes, France
| | - Aude Kleiber
- Laboratoire de Physiologie et Génomique des Poissons, INRAE, Rennes, France
- Comportement Animal et Systèmes d’Elevage, JUNIA, Lille, France
| | - Léa Lansade
- Physiologie de la Reproduction et des Comportements, CNRS, IFCE, INRAE, Université de Tours, Nouzilly, France
| | - Ludovic Calandreau
- Physiologie de la Reproduction et des Comportements, CNRS, IFCE, INRAE, Université de Tours, Nouzilly, France
| | - Violaine Colson
- Laboratoire de Physiologie et Génomique des Poissons, INRAE, Rennes, France
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5
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Structural environmental enrichment and the way it is offered influence cognitive judgement bias and anxiety-like behaviours in zebrafish. Anim Cogn 2023; 26:563-577. [PMID: 36209454 DOI: 10.1007/s10071-022-01700-x] [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: 01/20/2022] [Revised: 07/14/2022] [Accepted: 09/30/2022] [Indexed: 11/01/2022]
Abstract
Environmental enrichment in zebrafish generally reduces anxiety-related behaviours, improves learning in maze trials and increases health and biological fitness. However, certain types of enrichment or certain conditions induce the opposite effects. Therefore, it is essential to study the characteristics of environmental enrichment that modulate these effects. This study aims to investigate if structural environmental enrichment and the way it is offered influence cognitive judgement bias and anxiety-like behaviours in adult zebrafish. The fish were assigned to six housing manipulations: constant barren, constant enrichment, gradual gain of enrichment, gradual loss of enrichment, sudden gain of enrichment and sudden loss of enrichment. We then transposed the cognitive judgment bias paradigm, formerly used in studies on other animals to measure the link between emotion and cognition, to objectively assess the impact of these manipulations on the zebrafish's interpretation of ambiguous stimuli, considering previous experiences and related emotional states. We used two battery tests (light/dark and activity tests), which measured anxiety-related behaviours to check if these tests covariate with cognitive bias results. The fish with a sudden gain in enrichment showed a pessimistic bias (interpreted ambiguous stimuli as negative). In addition, the fish that experienced a sudden gain and a gradual loss in enrichment showed more anxiety-like behaviours than the fish that experienced constant conditions or a gradual gain in enrichment. The data provide some proof that structural environmental enrichment and the way it is presented can alter zebrafish's cognitive bias and anxiety-like behaviours.
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Adhish M, Manjubala I. Effectiveness of zebrafish models in understanding human diseases-A review of models. Heliyon 2023; 9:e14557. [PMID: 36950605 PMCID: PMC10025926 DOI: 10.1016/j.heliyon.2023.e14557] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 03/01/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
Understanding the detailed mechanism behind every human disease, disorder, defect, and deficiency is a daunting task concerning the clinical diagnostic tools for patients. Hence, a closely resembling living or simulated model is of paramount interest for the development and testing of a probable novel drug for rectifying the conditions pertaining to the various ailments. The animal model that can be easily genetically manipulated to suit the study of the therapeutic motive is an indispensable asset and within the last few decades, the zebrafish models have proven their effectiveness by becoming such potent human disease models with their use being extended to various avenues of research to understand the underlying mechanisms of the diseases. As zebrafish are explored as model animals in understanding the molecular basis and genetics of many diseases owing to the 70% genetic homology between the human and zebrafish genes; new and fascinating facts about the diseases are being surfaced, establishing it as a very powerful tool for upcoming research. These prospective research areas can be explored in the near future using zebrafish as a model. In this review, the effectiveness of the zebrafish as an animal model against several human diseases such as osteoporosis, atrial fibrillation, Noonan syndrome, leukemia, autism spectrum disorders, etc. has been discussed.
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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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Zebrafish Larvae Behavior Models as a Tool for Drug Screenings and Pre-Clinical Trials: A Review. Int J Mol Sci 2022; 23:ijms23126647. [PMID: 35743088 PMCID: PMC9223633 DOI: 10.3390/ijms23126647] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/07/2022] [Accepted: 06/10/2022] [Indexed: 12/04/2022] Open
Abstract
To discover new molecules or review the biological activity and toxicity of therapeutic substances, drug development, and research relies on robust biological systems to obtain reliable results. Phenotype-based screenings can transpose the organism’s compensatory pathways by adopting multi-target strategies for treating complex diseases, and zebrafish emerged as an important model for biomedical research and drug screenings. Zebrafish’s clear correlation between neuro-anatomical and physiological features and behavior is very similar to that verified in mammals, enabling the construction of reliable and relevant experimental models for neurological disorders research. Zebrafish presents highly conserved physiological pathways that are found in higher vertebrates, including mammals, along with a robust behavioral repertoire. Moreover, it is very sensitive to pharmacological/environmental manipulations, and these behavioral phenotypes are detected in both larvae and adults. These advantages align with the 3Rs concept and qualify the zebrafish as a powerful tool for drug screenings and pre-clinical trials. This review highlights important behavioral domains studied in zebrafish larvae and their neurotransmitter systems and summarizes currently used techniques to evaluate and quantify zebrafish larvae behavior in laboratory studies.
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Hones VI, Mizumori SJY. Response Flexibility: The Role of the Lateral Habenula. Front Behav Neurosci 2022; 16:852235. [PMID: 35444521 PMCID: PMC9014270 DOI: 10.3389/fnbeh.2022.852235] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/01/2022] [Indexed: 01/13/2023] Open
Abstract
The ability to make appropriate decisions that result in an optimal outcome is critical for survival. This process involves assessing the environment as well as integrating prior knowledge about the environment with information about one’s current internal state. There are many neural structures that play critical roles in mediating these processes, but it is not yet known how such information coalesces to influence behavioral output. The lateral habenula (LHb) has often been cited as a structure critical for adaptive and flexible responding when environmental contexts and internal state changes. A challenge, however, has been understanding how LHb promotes response flexibility. In this review, we hypothesize that the LHb enables flexible responding following the integration of context memory and internal state information by signaling downstream brainstem structures known to drive hippocampal theta. In this way, animals respond more flexibly in a task situation not because the LHb selects a particular action, but rather because LHb enhances a hippocampal neural state that is often associated with greater attention, arousal, and exploration. In freely navigating animals, these are essential conditions that are needed to discover and implement appropriate alternative choices and behaviors. As a corollary to our hypothesis, we describe short- and intermediate-term functions of the LHb. Finally, we discuss the effects on the behavior of LHb dysfunction in short- and intermediate-timescales, and then suggest that new therapies may act on the LHb to alleviate the behavioral impairments following long-term LHb disruption.
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Affiliation(s)
- Victoria I. Hones
- Department of Psychology, University of Washington, Seattle, WA, United States
| | - Sheri J. Y. Mizumori
- Department of Psychology, University of Washington, Seattle, WA, United States
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, United States
- *Correspondence: Sheri J. Y. Mizumori
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Powell C, von Keyserlingk MAG, Franks B. Tank cleaning temporarily increases stress and decreases affiliative behavior in zebrafish. Appl Anim Behav Sci 2021. [DOI: 10.1016/j.applanim.2021.105414] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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11
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Task-dependent reversal learning dynamics challenge the reversal paradigm of measuring cognitive flexibility. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Rainbow trout discriminate 2-D photographs of conspecifics from distracting stimuli using an innovative operant conditioning device. Learn Behav 2021; 49:292-306. [PMID: 33409895 DOI: 10.3758/s13420-020-00453-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2020] [Indexed: 11/08/2022]
Abstract
Cognitive abilities were studied in rainbow trout, the first continental fish production in Europe. Increasing public concern for the welfare of farmed-fish species highlighted the need for better knowledge of the cognitive status of fish. We trained and tested 15 rainbow trout with an operant conditioning device composed of self-feeders positioned in front of visual stimuli displayed on a screen. The device was coupled with a two-alternative forced-choice (2-AFC) paradigm to test whether rainbow trout can discriminate 2-D photographs of conspecifics (S+) from different visual stimuli (S-). The S- were applied in four stages, the last three stages representing increasing discrimination difficulty: (1) blue shapes; (2) black shape (star); (3) photograph of an object (among a pool of 60); (4) photograph of another fish species (among a pool of 60). Nine fish (out of 15) correctly managed to activate the conditioning device after 30-150 trials. The rainbow trout were able to discriminate images of conspecifics from an abstract shape (five individuals out of five) or objects (four out of five) but not from other fish species. Their ability to learn the category "fish shape" rather than distinguishing between conspecifics and heterospecifics is discussed. The successful visual discrimination task using this complex operant conditioning device is particularly remarkable and novel for this farmed-fish species, and could be exploited to develop cognitive enrichments in future farming systems. This device can also be added to the existing repertoire of testing devices suitable for investigating cognitive abilities in fish.
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Gatto E, Lucon-Xiccato T, Bisazza A, Manabe K, Dadda M. The devil is in the detail: Zebrafish learn to discriminate visual stimuli only if salient. Behav Processes 2020; 179:104215. [PMID: 32763462 DOI: 10.1016/j.beproc.2020.104215] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 10/23/2022]
Abstract
Due to their unique characteristics, the zebrafish plays a key role in the comprehension of neurobiology of cognition and its pathologies, such as neurodegenerative diseases. More and more molecular tools for this aim are being developed, but our knowledge about the cognitive abilities of zebrafish remains extremely scarce compared to other teleost fish. We aimed to investigate the complex cognitive abilities of zebrafish using a tracking-based automated conditioning chamber that allowed precise experimental control, avoided potential cueing provided by the observer (Clever Hans phenomenon), and was shown to considerably improve learning in other teleosts. A computer presented two visual stimuli in two sectors of the chamber, and zebrafish had to enter the correct sector to obtain a food reward. Zebrafish quickly learned to use the conditioning device and easily performed up to 80 trials per day. In Experiment 1, zebrafish efficiently discriminated between two differently coloured sides, reaching a 75 % accuracy in only 10 training sessions. Surprisingly, zebrafish failed to choose the correct chamber when the stimuli were two shapes, a small circle and a small triangle, even when, in Experiment 2, training on shape discrimination was prolonged for up to 30 sessions. In Experiment 3, we tested the hypothesis that simultaneously learning to use the conditioning chamber and learning discrimination imposes a too-high cognitive load. However, zebrafish that first successfully learned how the conditioning chamber functioned (in the colour discrimination) subsequently failed in the shape discrimination. Conversely, zebrafish that firstly failed the shape discrimination subsequently learned colour discrimination. In Experiment 4, zebrafish showed some evidence of learning when the stimuli were two large shapes, suggesting that zebrafish did not discriminate between the shapes of the previous experiments because they were not salient enough. Altogether, results suggest constraints in the discrimination learning abilities of zebrafish, which should be taken into account when developing cognitive tasks for this species.
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Affiliation(s)
- Elia Gatto
- Department of General Psychology, University of Padova, Padova, Italy.
| | - Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Angelo Bisazza
- Department of General Psychology, University of Padova, Padova, Italy; Padova Neuroscience Center, University of Padova, Padova, Italy
| | - Kazuchika Manabe
- Graduate School of Social and Cultural Studies, Nihon University, Saitama, Japan; College of Bioresource Sciences, Nihon University, Fujisawa, Japan
| | - Marco Dadda
- Department of General Psychology, University of Padova, Padova, Italy
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14
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Affiliation(s)
- Quenten Highgate
- School of Psychology, Victoria University of Wellington, Wellington, New Zealand
| | - Susan Schenk
- School of Psychology, Victoria University of Wellington, Wellington, New Zealand
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15
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Zhang T, Peterson RT. Modeling Lysosomal Storage Diseases in the Zebrafish. Front Mol Biosci 2020; 7:82. [PMID: 32435656 PMCID: PMC7218095 DOI: 10.3389/fmolb.2020.00082] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 04/08/2020] [Indexed: 12/13/2022] Open
Abstract
Lysosomal storage diseases (LSDs) are a family of 70 metabolic disorders characterized by mutations in lysosomal proteins that lead to storage material accumulation, multiple-organ pathologies that often involve neurodegeneration, and early mortality in a significant number of patients. Along with the necessity for more effective therapies, there exists an unmet need for further understanding of disease etiology, which could uncover novel pathways and drug targets. Over the past few decades, the growth in knowledge of disease-associated pathways has been facilitated by studies in model organisms, as advancements in mutagenesis techniques markedly improved the efficiency of model generation in mammalian and non-mammalian systems. In this review we highlight non-mammalian models of LSDs, focusing specifically on the zebrafish, a vertebrate model organism that shares remarkable genetic and metabolic similarities with mammals while also conferring unique advantages such as optical transparency and amenability toward high-throughput applications. We examine published zebrafish LSD models and their reported phenotypes, address organism-specific advantages and limitations, and discuss recent technological innovations that could provide potential solutions.
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Affiliation(s)
- T Zhang
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT, United States
| | - R T Peterson
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT, United States
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16
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Serial reversal learning in freshwater stingrays (Potamotrygon motoro). Anim Cogn 2019; 23:109-119. [DOI: 10.1007/s10071-019-01321-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 10/10/2019] [Accepted: 10/12/2019] [Indexed: 10/25/2022]
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17
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Roy T, Suriyampola PS, Flores J, López M, Hickey C, Bhat A, Martins EP. Color preferences affect learning in zebrafish, Danio rerio. Sci Rep 2019; 9:14531. [PMID: 31601932 PMCID: PMC6787237 DOI: 10.1038/s41598-019-51145-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 09/25/2019] [Indexed: 01/03/2023] Open
Abstract
Animals may exhibit preference for colors that match their environment or the resources in the environment. These preferences may impact ability to learn associations with these colors and revert the associations when the reward contingency is modified. We used zebrafish Danio rerio from four populations to test if color preferences impact associative and reversal learning ability. First, we tested if preference for blue or green impact associative ability. We subjected individual fish through eight trials to associate a social stimulus with blue or green. Next, we tested if preference for red or green impact associative reversal learning ability. We trained fish in groups of three to associate a social stimulus with red or green over three trials, and reversed the reward contingency during the following session. Results showed that zebrafish preferred green over blue and domesticated fish chose green more than blue when there was a reward attached. Zebrafish also preferred red over green. Fish from one wild population learned with both colors and reversed learning only from green to red and not vice-versa. Fish from another population showed an overwhelming preference for red irrespective of what was rewarded. Domesticated fish did not show reversal learning ability.
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Affiliation(s)
- Tamal Roy
- School of Life Sciences, Arizona State University, 427 E Tyler Mall, Tempe, AZ, 85287, USA.
| | - Piyumika S Suriyampola
- School of Life Sciences, Arizona State University, 427 E Tyler Mall, Tempe, AZ, 85287, USA
| | - Jennifer Flores
- School of Life Sciences, Arizona State University, 427 E Tyler Mall, Tempe, AZ, 85287, USA
| | - Melissa López
- School of Life Sciences, Arizona State University, 427 E Tyler Mall, Tempe, AZ, 85287, USA
| | - Collin Hickey
- School of Life Sciences, Arizona State University, 427 E Tyler Mall, Tempe, AZ, 85287, USA
| | - Anuradha Bhat
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, West Bengal, India
| | - Emília P Martins
- School of Life Sciences, Arizona State University, 427 E Tyler Mall, Tempe, AZ, 85287, USA
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18
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Demin KA, Meshalkina DA, Volgin AD, Yakovlev OV, de Abreu MS, Alekseeva PA, Friend AJ, Lakstygal AM, Zabegalov K, Amstislavskaya TG, Strekalova T, Bao W, Kalueff AV. Developing zebrafish experimental animal models relevant to schizophrenia. Neurosci Biobehav Rev 2019; 105:126-133. [DOI: 10.1016/j.neubiorev.2019.07.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Revised: 07/20/2019] [Accepted: 07/27/2019] [Indexed: 12/18/2022]
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19
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Fuss T, Witte K. Sex differences in color discrimination and serial reversal learning in mollies and guppies. Curr Zool 2019; 65:323-332. [PMID: 31263491 PMCID: PMC6595423 DOI: 10.1093/cz/zoz029] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 05/16/2019] [Indexed: 11/16/2022] Open
Abstract
Behavioral flexibility provides an individual with the ability to adapt its behavior in response to environmental changes. Studies on mammals, birds, and teleosts indicate greater behavioral flexibility in females. Conversely, males appear to exhibit greater behavioral persistence. We, therefore, investigated sex differences in behavioral flexibility in 2 closely related molly species (Poecilia latipinna, P. mexicana) and their more distant relative, the guppy P. reticulata by comparing male and female individuals in a serial, visual reversal learning task. Fish were first trained in color discrimination, which was quickly learned by all females (guppies and mollies) and all molly males alike. Despite continued training over more than 72 sessions, male guppies did not learn the general test procedure and were, therefore, excluded from further testing. Once the reward contingency was reversed serially, molly males of both species performed considerably better by inhibiting their previous response and reached the learning criterion significantly faster than their respective conspecific females. Moreover, Atlantic molly males clearly outperformed all other individuals (males and females) and some of them even reached the level of 1-trial learning. Thus, the apparently universal pattern of higher female behavioral flexibility seems to be inverted in the 2 examined molly species, although the evolutionary account of this pattern remains highly speculative. These findings were complemented by the observed lower neophobia of female sailfin mollies compared with their male conspecifics. This sex difference was not observed in Atlantic mollies that were observed to be significantly less distressed in a novel situation than their consexuals. Hypothetically, sex differences in behavioral flexibility can possibly be explained in terms of the different roles that males and females play in mating competition, mate choice, and reproduction or, more generally, in complex social interactions. Each of these characteristics clearly differed between the closely related mollies and the more distantly related guppies.
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Affiliation(s)
- Theodora Fuss
- Research Group of Ecology and Behavioral Biology, Institute of Biology, Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Str. 2, Siegen, Germany
| | - Klaudia Witte
- Research Group of Ecology and Behavioral Biology, Institute of Biology, Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Str. 2, Siegen, Germany
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20
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Bloch S, Froc C, Pontiggia A, Yamamoto K. Existence of working memory in teleosts: Establishment of the delayed matching-to-sample task in adult zebrafish. Behav Brain Res 2019; 370:111924. [PMID: 31028766 DOI: 10.1016/j.bbr.2019.111924] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 03/26/2019] [Accepted: 04/23/2019] [Indexed: 10/27/2022]
Abstract
Operant conditioning is a powerful tool to study animal perception and cognition. Compared to mammals and birds, there are very few behavioral studies using operant conditioning paradigm in teleosts. Here we aim to establish matching-to-sample task (MTS) in adult zebrafish, using visual cues (colors) as discriminative stimuli. Unlike simple one-to-one color-reward association learning, MTS requires ability for context integration. In this study, zebrafish learned to perform the simultaneous-matching-to-sample (SMTS) within 15 sessions. After the SMTS training, working memory was tested by inserting a delay period (delayed matching-to-sample; DMTS). Zebrafish could perform the DMTS with a delay of at least 3-4 seconds. They could also learn to perform the DMTS even with a delay period from the beginning of the training session. These results strongly suggest that adult zebrafish possess working memory. However, our study also indicates limitations of zebrafish in cognitive flexibility or attention: they could perform SMTS/DMTS only in a certain set-up. The presence of working memory without the mesencephalic dopamine neurons indicates the convergent evolution of this function in amniotes and teleosts.
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Affiliation(s)
- Solal Bloch
- Paris-Saclay Institute of Neuroscience (Neuro-PSI),CNRS UMR9197, Univ Paris Sud, Université Paris-Saclay, 91190, Gif-sur-Yvette, France
| | - Cynthia Froc
- AMATrace, Paris-Saclay Institute of Neuroscience (Neuro-PSI), CNRS UMR9197, Univ Paris Sud, Université Paris-Saclay, 91190, Gif-sur-Yvette, France
| | - Anaïs Pontiggia
- Paris-Saclay Institute of Neuroscience (Neuro-PSI),CNRS UMR9197, Univ Paris Sud, Université Paris-Saclay, 91190, Gif-sur-Yvette, France
| | - Kei Yamamoto
- Paris-Saclay Institute of Neuroscience (Neuro-PSI),CNRS UMR9197, Univ Paris Sud, Université Paris-Saclay, 91190, Gif-sur-Yvette, France.
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21
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Abnormal repetitive behaviors in zebrafish and their relevance to human brain disorders. Behav Brain Res 2019; 367:101-110. [PMID: 30926483 DOI: 10.1016/j.bbr.2019.03.044] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 03/22/2019] [Accepted: 03/25/2019] [Indexed: 02/01/2023]
Abstract
Abnormal repetitive behaviors (ARBs) are a prominent symptom of numerous human brain disorders and are commonly seen in rodent models as well. While rodent studies of ARBs continue to dominate the field, mounting evidence suggests that zebrafish (Danio rerio) also display ARB-like phenotypes and may therefore be a novel model organism for ARB research. In addition to clear practical research advantages as a model species, zebrafish share high genetic and physiological homology to humans and rodents, including multiple ARB-related genes and robust behaviors relevant to ARB. Here, we discuss a wide spectrum of stereotypic repetitive behaviors in zebrafish, data on their genetic and pharmacological modulation, and the overall translational relevance of fish ARBs to modeling human brain disorders. Overall, the zebrafish is rapidly emerging as a new promising model to study ARBs and their underlying mechanisms.
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22
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Lucon‐Xiccato T, Manabe K, Bisazza A. Guppies learn faster to discriminate between red and yellow than between two shapes. Ethology 2018. [DOI: 10.1111/eth.12829] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Tyrone Lucon‐Xiccato
- Department of Life Sciences and Biotechnology University of Ferrara Padova Italy
| | - Kazuchika Manabe
- Graduate School of Social and Cultural Studies Nihon University Saitama Japan
| | - Angelo Bisazza
- Dipartimento di Psicologia Generale Università di Padova Padova Italy
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23
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Daggett JM, Brown VJ, Brennan CH. Food or friends? What motivates zebrafish (Danio rerio) performing a visual discrimination. Behav Brain Res 2018; 359:190-196. [PMID: 30412739 DOI: 10.1016/j.bbr.2018.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 11/02/2018] [Accepted: 11/02/2018] [Indexed: 12/18/2022]
Abstract
As a model organism, zebrafish have much to offer neuroscientific research and they are increasingly being used in behavioral neuroscience, for example to study the genetics of learning and memory. As fish are often considered "less clever" than mammals, it is important to understand how they learn and to establish optimal testing conditions. In this study, we compared the efficacy of food reinforcement and social stimuli in supporting Pavlovian conditioning, Pavlovian-to-instrumental transfer, and acquisition of a two-alternative forced choice visual discrimination. Although equally effective in conditioning and in motivating discrimination learning, fish responded with shorter latencies when they were anticipating food but responded for a greater number of trials when anticipating the social stimulus. After learning, the reward was changed: food-reinforcement was replaced with the social stimulus and vice versa. Performance accuracy did not change, but response latency did: the group previously rewarded with food, but now rewarded with the social stimulus, showed a decrease in response vigor. This is a negative contrast effect, which is well established in rats, but was thought to be absent in fish because they lacked goal representation. Our results show that zebrafish, like rats, do have goal representations. Furthermore, we have shown that whereas food has greater incentive salience than social stimuli, fish become satiated rapidly, but motivation to seek social stimuli is sustained. We conclude that zebrafish are well motivated by a mixed economy of social stimuli and food.
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Affiliation(s)
- Jenny M Daggett
- School of Psychology & Neuroscience, University of St Andrews, St Mary's Quad, South Street, St Andrews, KY16 9JP, UK; School of Biological and Chemical Sciences, Queen Mary University London, Mile End Rd, E1 4NS, UK
| | - Verity J Brown
- School of Psychology & Neuroscience, University of St Andrews, St Mary's Quad, South Street, St Andrews, KY16 9JP, UK.
| | - Caroline H Brennan
- School of Biological and Chemical Sciences, Queen Mary University London, Mile End Rd, E1 4NS, UK
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24
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Hermer E, Cauchoix M, Chaine AS, Morand-Ferron J. Elevation-related difference in serial reversal learning ability in a nonscatter hoarding passerine. Behav Ecol 2018. [DOI: 10.1093/beheco/ary067] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Ethan Hermer
- Department of Biology, University of Ottawa, Gendron, Ottawa, Canada
| | - Maxime Cauchoix
- Institute for Advanced Studies in Toulouse, Toulouse School of Economics, Toulouse, France
- Station d’Ecologie Théorique et Expérimentale du CNRS UMR5321, Evolutionary Ecology Group, Moulis, France
| | - Alexis S Chaine
- Institute for Advanced Studies in Toulouse, Toulouse School of Economics, Toulouse, France
- Station d’Ecologie Théorique et Expérimentale du CNRS UMR5321, Evolutionary Ecology Group, Moulis, France
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25
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Krauzlis RJ, Bogadhi AR, Herman JP, Bollimunta A. Selective attention without a neocortex. Cortex 2018; 102:161-175. [PMID: 28958417 PMCID: PMC5832524 DOI: 10.1016/j.cortex.2017.08.026] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 08/04/2017] [Accepted: 08/16/2017] [Indexed: 12/01/2022]
Abstract
Selective attention refers to the ability to restrict neural processing and behavioral responses to a relevant subset of available stimuli, while simultaneously excluding other valid stimuli from consideration. In primates and other mammals, descriptions of this ability typically emphasize the neural processing that takes place in the cerebral neocortex. However, non-mammals such as birds, reptiles, amphibians and fish, which completely lack a neocortex, also have the ability to selectively attend. In this article, we survey the behavioral evidence for selective attention in non-mammals, and review the midbrain and forebrain structures that are responsible. The ancestral forms of selective attention are presumably selective orienting behaviors, such as prey-catching and predator avoidance. These behaviors depend critically on a set of subcortical structures, including the optic tectum (OT), thalamus and striatum, that are highly conserved across vertebrate evolution. In contrast, the contributions of different pallial regions in the forebrain to selective attention have been subject to more substantial changes and reorganization. This evolutionary perspective makes plain that selective attention is not a function achieved de novo with the emergence of the neocortex, but instead is implemented by circuits accrued and modified over hundreds of millions of years, beginning well before the forebrain contained a neocortex. Determining how older subcortical circuits interact with the more recently evolved components in the neocortex will likely be crucial for understanding the complex properties of selective attention in primates and other mammals, and for identifying the etiology of attention disorders.
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Affiliation(s)
- Richard J Krauzlis
- Laboratory of Sensorimotor Research, National Eye Institute, Bethesda, USA.
| | | | - James P Herman
- Laboratory of Sensorimotor Research, National Eye Institute, Bethesda, USA
| | - Anil Bollimunta
- Laboratory of Sensorimotor Research, National Eye Institute, Bethesda, USA
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26
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Meshalkina DA, Kysil EV, Warnick JE, Demin KA, Kalueff AV. Adult zebrafish in CNS disease modeling: a tank that's half-full, not half-empty, and still filling. Lab Anim (NY) 2018; 46:378-387. [PMID: 28984854 DOI: 10.1038/laban.1345] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 08/18/2017] [Indexed: 01/17/2023]
Abstract
The zebrafish (Danio rerio) is increasingly used in a broad array of biomedical studies, from cancer research to drug screening. Zebrafish also represent an emerging model organism for studying complex brain diseases. The number of zebrafish neuroscience studies is exponentially growing, significantly outpacing those conducted with rodents or other model organisms. Yet, there is still a substantial amount of resistance in adopting zebrafish as a first-choice model system. Studies of the repertoire of zebrafish neural and behavioral functions continue to reveal new opportunities for understanding the pathobiology of various CNS deficits. Although some of these models are well established in zebrafish, including models for anxiety, depression, and addiction, others are less recognized, for example, models of autism and obsessive-compulsive states. However, mounting data indicate that a wide spectrum of CNS diseases can be modeled in adult zebrafish. Here, we summarize recent findings using zebrafish CNS assays, discuss model limitations and the existing challenges, as well as outline future directions of research in this field.
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Affiliation(s)
- Darya A Meshalkina
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia.,The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, Louisiana, USA
| | - Elana V Kysil
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Jason E Warnick
- The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, Louisiana, USA.,Department of Behavioral Sciences, Arkansas Tech University, Russellville, Arkansas, USA
| | - Konstantin A Demin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia.,The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, Louisiana, USA
| | - Allan V Kalueff
- School of Pharmaceutical Sciences, Southwest University, Chongqing, China.,Laboratory of Biological Psychiatry, ITBM, St. Petersburg State University, St. Petersburg, Russia.,Ural Federal University, Ekaterinburg, Russia.,ZENEREI Research Center, Slidell, Louisiana, USA
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27
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Buechel SD, Boussard A, Kotrschal A, van der Bijl W, Kolm N. Brain size affects performance in a reversal-learning test. Proc Biol Sci 2018; 285:20172031. [PMID: 29367391 PMCID: PMC5805926 DOI: 10.1098/rspb.2017.2031] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 12/13/2017] [Indexed: 02/06/2023] Open
Abstract
It has become increasingly clear that a larger brain can confer cognitive benefits. Yet not all of the numerous aspects of cognition seem to be affected by brain size. Recent evidence suggests that some more basic forms of cognition, for instance colour vision, are not influenced by brain size. We therefore hypothesize that a larger brain is especially beneficial for distinct and gradually more complex aspects of cognition. To test this hypothesis, we assessed the performance of brain size selected female guppies (Poecilia reticulata) in two distinct aspects of cognition that differ in cognitive complexity. In a standard reversal-learning test we first investigated basic learning ability with a colour discrimination test, then reversed the reward contingency to specifically test for cognitive flexibility. We found that large-brained females outperformed small-brained females in the reversed-learning part of the test but not in the colour discrimination part of the test. Large-brained individuals are hence cognitively more flexible, which probably yields fitness benefits, as they may adapt more quickly to social and/or ecological cognitive challenges. Our results also suggest that a larger brain becomes especially advantageous with increasing cognitive complexity. These findings corroborate the significance of brain size for cognitive evolution.
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Affiliation(s)
- Séverine D Buechel
- Department of Zoology/Ethology, Stockholm University, Svante Arrhenius väg 18B, 10691, Stockholm, Sweden
| | - Annika Boussard
- Department of Zoology/Ethology, Stockholm University, Svante Arrhenius väg 18B, 10691, Stockholm, Sweden
| | - Alexander Kotrschal
- Department of Zoology/Ethology, Stockholm University, Svante Arrhenius väg 18B, 10691, Stockholm, Sweden
| | - Wouter van der Bijl
- Department of Zoology/Ethology, Stockholm University, Svante Arrhenius väg 18B, 10691, Stockholm, Sweden
| | - Niclas Kolm
- Department of Zoology/Ethology, Stockholm University, Svante Arrhenius väg 18B, 10691, Stockholm, Sweden
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28
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Zebrafish models of autism spectrum disorder. Exp Neurol 2018; 299:207-216. [DOI: 10.1016/j.expneurol.2017.02.004] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 01/23/2017] [Accepted: 02/01/2017] [Indexed: 11/19/2022]
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29
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Li X, Sun MZ, Li X, Zhang SH, Dai LT, Liu XY, Zhao X, Chen DY, Feng XZ. Impact of low-dose chronic exposure to Bisphenol A (BPA) on adult male zebrafish adaption to the environmental complexity: Disturbing the color preference patterns and reliving the anxiety behavior. CHEMOSPHERE 2017; 186:295-304. [PMID: 28787685 DOI: 10.1016/j.chemosphere.2017.07.164] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Revised: 07/28/2017] [Accepted: 07/31/2017] [Indexed: 06/07/2023]
Abstract
UNLABELLED The extensive usage of xenobiotic endocrine disrupting chemicals (XEDCs), such as Bisphenol A (BPA), has created obvious threat to aquatic ecosystems worldwide. Although a comprehensive understanding of the adverse effect of BPA on behaviors and physiology have been proven, the potential impact of low-dose BPA on altering the basic ability of aquatic organism in adapting to the surrounded complex environment still remains elusive. In this research, we report that treatment of adult male zebrafish with chronic (7 weeks) low-dose (0.22 nM-2.2 nM) BPA, altered the ability in adapting the complex environment by disturbing the natural color preference patterns. In addition, chronic 50 ng/L (0.22 nM) BPA exposure alleviated the anxiety behavior of male zebrafish confronted with the novel environment by enhancing the preference towards light in the light/dark preference test. This phenotype was associated with less expression of serotonin (5-TH) in the hypothalamus and the down-regulation of tyrosine hydroxylase (TH) in brain tissues. As such, our results show that low-dose BPA remnant in surface waters altered zebrafish behavior that are known to have ecological and evolutionary consequences. HIGHLIGHTS Here we reported that the impact of chronic low-dose BPA exposure on the basic capability of zebrafish to adapt to the environmental complexity. Specifically, BPA at low concentration, under the environmental safety level and 3000-fold lower than the accepted human daily exposure, interfered with the ability to discriminate color and alleviate anxiety induced by the novel environment, which finally altered the capability of male zebrafish to adapt to the environmental complexity. These findings revealed the ecological effect of low-dose BPA and regular BPA concentration standard are not necessarily safe. The result also provided the consideration of retuning the hazard concentration level of BPA.
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Affiliation(s)
- Xiang Li
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, 300071, China; Department of Medicinal Chemistry, Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmacy, Shandong University, Jinan, Shandong 250012, China
| | - Ming-Zhu Sun
- The Institute of Robotics and Automatic Information Systems, Tianjin Key Laboratory of Intelligent Robotics, Nankai University, Tianjin, 300071, China
| | - Xu Li
- Tianjin Key Laboratory of Tumor Microenvironment and Neurovascular Regulation, Department of Histology and Embryology, School of Medicine, Nankai University, Tianjin, 300071, China
| | - Shu-Hui Zhang
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, 300071, China
| | - Liang-Ti Dai
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, 300071, China
| | - Xing-Yu Liu
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, 300071, China
| | - Xin Zhao
- The Institute of Robotics and Automatic Information Systems, Tianjin Key Laboratory of Intelligent Robotics, Nankai University, Tianjin, 300071, China.
| | - Dong-Yan Chen
- Tianjin Key Laboratory of Tumor Microenvironment and Neurovascular Regulation, Department of Histology and Embryology, School of Medicine, Nankai University, Tianjin, 300071, China.
| | - Xi-Zeng Feng
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, 300071, China.
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30
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Cognition in the field: comparison of reversal learning performance in captive and wild passerines. Sci Rep 2017; 7:12945. [PMID: 29021558 PMCID: PMC5636806 DOI: 10.1038/s41598-017-13179-5] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 09/19/2017] [Indexed: 11/08/2022] Open
Abstract
Animal cognitive abilities have traditionally been studied in the lab, but studying cognition in nature could provide several benefits including reduced stress and reduced impact on life-history traits. However, it is not yet clear to what extent cognitive abilities can be properly measured in the wild. Here we present the first comparison of the cognitive performance of individuals from the same population, assessed using an identical test, but in contrasting contexts: in the wild vs. in controlled captive conditions. We show that free-ranging great tits (Parus major) perform similarly to deprived, captive birds in a successive spatial reversal-learning task using automated operant devices. In both captive and natural conditions, more than half of birds that contacted the device were able to perform at least one spatial reversal. Moreover, both captive and wild birds showed an improvement of performance over successive reversals, with very similar learning curves observed in both contexts for each reversal. Our results suggest that it is possible to study cognitive abilities of wild animals directly in their natural environment in much the same way that we study captive animals. Such methods open numerous possibilities to study and understand the evolution and ecology of cognition in natural populations.
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31
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Kuroda T, Mizutani Y, Cançado CR, Podlesnik CA. Reversal learning and resurgence of operant behavior in zebrafish ( Danio rerio ). Behav Processes 2017. [DOI: 10.1016/j.beproc.2017.06.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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32
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Operant models of relapse in zebrafish ( Danio rerio ): Resurgence, renewal, and reinstatement. Behav Brain Res 2017; 335:215-222. [DOI: 10.1016/j.bbr.2017.08.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 08/03/2017] [Accepted: 08/14/2017] [Indexed: 12/11/2022]
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33
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The Lateral Habenula and Adaptive Behaviors. Trends Neurosci 2017; 40:481-493. [DOI: 10.1016/j.tins.2017.06.001] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 06/04/2017] [Accepted: 06/06/2017] [Indexed: 02/05/2023]
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34
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Meshalkina DA, Kizlyk MN, Kysil EV, Collier AD, Echevarria DJ, Abreu MS, Barcellos LJ, Song C, Kalueff AV. Understanding zebrafish cognition. Behav Processes 2017; 141:229-241. [DOI: 10.1016/j.beproc.2016.11.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 10/12/2016] [Accepted: 11/30/2016] [Indexed: 12/16/2022]
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35
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Relationship between individual and group learning in a marine teleost: A case study with sea bass under self-feeding conditions. Learn Behav 2017; 45:276-286. [DOI: 10.3758/s13420-017-0266-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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36
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Faillace MP, Pisera-Fuster A, Medrano MP, Bejarano AC, Bernabeu RO. Short- and long-term effects of nicotine and the histone deacetylase inhibitor phenylbutyrate on novel object recognition in zebrafish. Psychopharmacology (Berl) 2017; 234:943-955. [PMID: 28130648 DOI: 10.1007/s00213-017-4532-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 01/09/2017] [Indexed: 12/16/2022]
Abstract
RATIONALE Zebrafish have a sophisticated color- and shape-sensitive visual system, so we examined color cue-based novel object recognition in zebrafish. We evaluated preference in the absence or presence of drugs that affect attention and memory retention in rodents: nicotine and the histone deacetylase inhibitor (HDACi) phenylbutyrate (PhB). OBJECTIVES The objective of this study was to evaluate whether nicotine and PhB affect innate preferences of zebrafish for familiar and novel objects after short- and long-retention intervals. METHODS We developed modified object recognition (OR) tasks using neutral novel and familiar objects in different colors. We also tested objects which differed with respect to the exploratory behavior they elicited from naïve zebrafish. RESULTS Zebrafish showed an innate preference for exploring red or green objects rather than yellow or blue objects. Zebrafish were better at discriminating color changes than changes in object shape or size. Nicotine significantly enhanced or changed short-term innate novel object preference whereas PhB had similar effects when preference was assessed 24 h after training. Analysis of other zebrafish behaviors corroborated these results. CONCLUSIONS Zebrafish were innately reluctant or prone to explore colored novel objects, so drug effects on innate preference for objects can be evaluated changing the color of objects with a simple geometry. Zebrafish exhibited recognition memory for novel objects with similar innate significance. Interestingly, nicotine and PhB significantly modified innate object preference.
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Affiliation(s)
- M P Faillace
- Department of Physiology and Institute of Physiology and Biophysics (IFIBIO), School of Medicine, University of Buenos Aires, Paraguay 2155 7th floor, C1121ABG, Ciudad Autónoma de Buenos Aires, Argentina
| | - A Pisera-Fuster
- Department of Physiology and Institute of Physiology and Biophysics (IFIBIO), School of Medicine, University of Buenos Aires, Paraguay 2155 7th floor, C1121ABG, Ciudad Autónoma de Buenos Aires, Argentina
| | - M P Medrano
- Department of Physiology and Institute of Physiology and Biophysics (IFIBIO), School of Medicine, University of Buenos Aires, Paraguay 2155 7th floor, C1121ABG, Ciudad Autónoma de Buenos Aires, Argentina
| | - A C Bejarano
- Department of Physiology and Institute of Physiology and Biophysics (IFIBIO), School of Medicine, University of Buenos Aires, Paraguay 2155 7th floor, C1121ABG, Ciudad Autónoma de Buenos Aires, Argentina
| | - R O Bernabeu
- Department of Physiology and Institute of Physiology and Biophysics (IFIBIO), School of Medicine, University of Buenos Aires, Paraguay 2155 7th floor, C1121ABG, Ciudad Autónoma de Buenos Aires, Argentina.
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Bublitz A, Weinhold SR, Strobel S, Dehnhardt G, Hanke FD. Reconsideration of Serial Visual Reversal Learning in Octopus (Octopus vulgaris) from a Methodological Perspective. Front Physiol 2017; 8:54. [PMID: 28223940 PMCID: PMC5294351 DOI: 10.3389/fphys.2017.00054] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 01/23/2017] [Indexed: 11/22/2022] Open
Abstract
Octopuses (Octopus vulgaris) are generally considered to possess extraordinary cognitive abilities including the ability to successfully perform in a serial reversal learning task. During reversal learning, an animal is presented with a discrimination problem and after reaching a learning criterion, the signs of the stimuli are reversed: the former positive becomes the negative stimulus and vice versa. If an animal improves its performance over reversals, it is ascribed advanced cognitive abilities. Reversal learning has been tested in octopus in a number of studies. However, the experimental procedures adopted in these studies involved pre-training on the new positive stimulus after a reversal, strong negative reinforcement or might have enabled secondary cueing by the experimenter. These procedures could have all affected the outcome of reversal learning. Thus, in this study, serial visual reversal learning was revisited in octopus. We trained four common octopuses (O. vulgaris) to discriminate between 2-dimensional stimuli presented on a monitor in a simultaneous visual discrimination task and reversed the signs of the stimuli each time the animals reached the learning criterion of ≥80% in two consecutive sessions. The animals were trained using operant conditioning techniques including a secondary reinforcer, a rod that was pushed up and down the feeding tube, which signaled the correctness of a response and preceded the subsequent primary reinforcement of food. The experimental protocol did not involve negative reinforcement. One animal completed four reversals and showed progressive improvement, i.e., it decreased its errors to criterion the more reversals it experienced. This animal developed a generalized response strategy. In contrast, another animal completed only one reversal, whereas two animals did not learn to reverse during the first reversal. In conclusion, some octopus individuals can learn to reverse in a visual task demonstrating behavioral flexibility even with a refined methodology.
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Affiliation(s)
- Alexander Bublitz
- Institute for Biosciences, Sensory and Cognitive Ecology, University of Rostock Rostock, Germany
| | - Severine R Weinhold
- Institute for Biosciences, Sensory and Cognitive Ecology, University of Rostock Rostock, Germany
| | - Sophia Strobel
- Institute for Biosciences, Sensory and Cognitive Ecology, University of Rostock Rostock, Germany
| | - Guido Dehnhardt
- Institute for Biosciences, Sensory and Cognitive Ecology, University of Rostock Rostock, Germany
| | - Frederike D Hanke
- Institute for Biosciences, Sensory and Cognitive Ecology, University of Rostock Rostock, Germany
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38
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Gatto E, Lucon-Xiccato T, Savaşçı BB, Dadda M, Bisazza A. Experimental setting affects the performance of guppies in a numerical discrimination task. Anim Cogn 2016; 20:187-198. [PMID: 27658676 DOI: 10.1007/s10071-016-1037-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 09/13/2016] [Accepted: 09/15/2016] [Indexed: 02/04/2023]
Abstract
A recent study found that guppies (Poecilia reticulata) can be trained to discriminate 4 versus 5 objects, a numerical discrimination typically achieved only by some mammals and birds. In that study, guppies were required to discriminate between two patches of small objects on the bottom of the tank that they could remove to find a food reward. It is not clear whether this species possesses exceptional numerical accuracy compared with the other ectothermic vertebrates or whether its remarkable performance was due to a specific predisposition to discriminate between differences in the quality of patches while foraging. To disentangle these possibilities, we trained guppies to the same numerical discriminations with a more conventional two-choice discrimination task. Stimuli were sets of dots presented on a computer screen, and the subjects received a food reward upon approaching the set with the larger numerosity. Though the cognitive problem was identical in the two experiments, the change in the experimental setting led to a much poorer performance as most fish failed even the 2 versus 3 discrimination. In four additional experiments, we varied the duration of the decision time, the type of stimuli, the length of training, and whether correction was allowed in order to identify the factors responsible for the difference. None of these parameters succeeded in increasing the performance to the level of the previous study, although the group trained with three-dimensional stimuli learned the easiest numerical task. We suggest that the different results with the two experimental settings might be due to constraints on learning and that guppies might be prepared to accurately estimate patch quality during foraging but not to learn an abstract stimulus-reward association.
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Affiliation(s)
- Elia Gatto
- Department of General Psychology, University of Padova, Padova, Italy.
| | | | - Beste Başak Savaşçı
- Department of Biology, Faculty of Science, Ankara University, Ankara, Turkey
| | - Marco Dadda
- Department of General Psychology, University of Padova, Padova, Italy
| | - Angelo Bisazza
- Department of General Psychology, University of Padova, Padova, Italy
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39
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Liu Y, Day LB, Summers K, Burmeister SS. Learning to learn: advanced behavioural flexibility in a poison frog. Anim Behav 2016. [DOI: 10.1016/j.anbehav.2015.10.018] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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40
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Ruhl T, Moesbauer K, Oellers N, von der Emde G. The endocannabinoid system and associative learning and memory in zebrafish. Behav Brain Res 2015; 290:61-9. [DOI: 10.1016/j.bbr.2015.04.046] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Revised: 03/11/2015] [Accepted: 04/27/2015] [Indexed: 12/19/2022]
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41
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Oliveira J, Silveira M, Chacon D, Luchiari A. The Zebrafish World of Colors and Shapes: Preference and Discrimination. Zebrafish 2015; 12:166-73. [DOI: 10.1089/zeb.2014.1019] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Jessica Oliveira
- Departamento de Fisiologia, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Mayara Silveira
- Departamento de Fisiologia, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Diana Chacon
- Departamento de Fisiologia, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Ana Luchiari
- Departamento de Fisiologia, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
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Proulx MJ, Parker MO, Tahir Y, Brennan CH. Parallel mechanisms for visual search in zebrafish. PLoS One 2014; 9:e111540. [PMID: 25353168 PMCID: PMC4213058 DOI: 10.1371/journal.pone.0111540] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Accepted: 10/04/2014] [Indexed: 11/24/2022] Open
Abstract
Parallel visual search mechanisms have been reported previously only in mammals and birds, and not animals lacking an expanded telencephalon such as bees. Here we report the first evidence for parallel visual search in fish using a choice task where the fish had to find a target amongst an increasing number of distractors. Following two-choice discrimination training, zebrafish were presented with the original stimulus within an increasing array of distractor stimuli. We found that zebrafish exhibit no significant change in accuracy and approach latency as the number of distractors increased, providing evidence of parallel processing. This evidence challenges theories of vertebrate neural architecture and the importance of an expanded telencephalon for the evolution of executive function.
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Affiliation(s)
- Michael J. Proulx
- Crossmodal Cognition Lab, Department of Psychology, University of Bath, Bath, United Kingdom
| | - Matthew O. Parker
- School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom
| | - Yasser Tahir
- School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom
| | - Caroline H. Brennan
- School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom
- * E-mail:
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43
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Atomoxetine reduces anticipatory responding in a 5-choice serial reaction time task for adult zebrafish. Psychopharmacology (Berl) 2014; 231:2671-9. [PMID: 24481568 PMCID: PMC4167589 DOI: 10.1007/s00213-014-3439-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Accepted: 12/31/2013] [Indexed: 12/20/2022]
Abstract
Deficits in impulse control are related to a number of psychiatric diagnoses, including attention deficit hyperactivity disorder, addiction, and pathological gambling. Despite increases in our knowledge about the underlying neurochemical and neuroanatomical correlates, understanding of the molecular and cellular mechanisms is less well established. Understanding these mechanisms is essential in order to move towards individualized treatment programs and increase efficacy of interventions. Zebrafish are a very useful vertebrate model for exploring molecular processes underlying disease owing to their small size and genetic tractability. Their utility in terms of behavioral neuroscience, however, hinges on the validation and publication of reliable assays with adequate translational relevance. Here, we report an initial pharmacological validation of a fully automated zebrafish version of the commonly used five-choice serial reaction time task using a variable interval pre-stimulus interval. We found that atomoxetine reduced anticipatory responses (0.6 mg/kg), whereas a high-dose (4 mg/kg) methylphenidate increased anticipatory responses and the number of trials completed in a session. On the basis of these results, we argue that similar neurochemical processes in fish as in mammals may control impulsivity, as operationally defined by anticipatory responses on a continuous performance task such as this, making zebrafish potentially a good model for exploring the molecular basis of impulse control disorders and for first-round drug screening.
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44
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Lucon-Xiccato T, Bisazza A. Discrimination reversal learning reveals greater female behavioural flexibility in guppies. Biol Lett 2014; 10:20140206. [PMCID: PMC4090544 DOI: 10.1098/rsbl.2014.0206] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 05/25/2014] [Indexed: 11/03/2023] Open
Abstract
Behavioural flexibility allows an animal to adapt its behaviour in response to changes in the environment. Research conducted in primates, rodents and domestic fowl suggests greater behavioural persistence and reduced behavioural flexibility in males. We investigated sex differences in behavioural flexibility in fish by comparing male and female guppies (Poecilia reticulata ) in a reversal learning task. Fish were first trained on a colour discrimination, which was learned equally rapidly by males and females. However, once the reward contingency was reversed, females were better at inhibiting the previous response and reached criterion twice as fast as males. When reward reversing was repeated, males gradually reduced the number of errors, and the two sexes had a comparable performance after four reversals. We suggest that sex differences in behavioural flexibility in guppies can be explained in terms of the different roles that males and females play in reproduction.
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Affiliation(s)
| | - Angelo Bisazza
- Dipartimento di Psicologia Generale, Università di Padova, Padova, Italy
- Centro di Neuroscienze Cognitive, Università di Padova, Padova, Italy
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45
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Blaser R, Vira D. Experiments on learning in zebrafish (Danio rerio): A promising model of neurocognitive function. Neurosci Biobehav Rev 2014; 42:224-31. [DOI: 10.1016/j.neubiorev.2014.03.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Revised: 03/02/2014] [Accepted: 03/04/2014] [Indexed: 10/25/2022]
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46
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Stewart AM, Braubach O, Spitsbergen J, Gerlai R, Kalueff AV. Zebrafish models for translational neuroscience research: from tank to bedside. Trends Neurosci 2014; 37:264-78. [PMID: 24726051 DOI: 10.1016/j.tins.2014.02.011] [Citation(s) in RCA: 449] [Impact Index Per Article: 44.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 02/24/2014] [Accepted: 02/25/2014] [Indexed: 01/23/2023]
Abstract
The zebrafish (Danio rerio) is emerging as a new important species for studying mechanisms of brain function and dysfunction. Focusing on selected central nervous system (CNS) disorders (brain cancer, epilepsy, and anxiety) and using them as examples, we discuss the value of zebrafish models in translational neuroscience. We further evaluate the contribution of zebrafish to neuroimaging, circuit level, and drug discovery research. Outlining the role of zebrafish in modeling a wide range of human brain disorders, we also summarize recent applications and existing challenges in this field. Finally, we emphasize the potential of zebrafish models in behavioral phenomics and high-throughput genetic/small molecule screening, which is critical for CNS drug discovery and identifying novel candidate genes.
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Affiliation(s)
- Adam Michael Stewart
- ZENEREI Institute and the International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA; Department of Neuroscience, University of Pittsburgh, A210 Langley Hall, Pittsburgh, PA 15260, USA
| | - Oliver Braubach
- Center for Functional Connectomics, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seoul, 136791, Republic of Korea
| | - Jan Spitsbergen
- Department of Microbiology, Oregon State University, Nash Hall 220 Corvallis, OR 97331, USA
| | - Robert Gerlai
- Department of Psychology, University of Toronto at Mississauga, 3359 Mississauga Road, N Mississauga, Ontario L5L 1C6, Canada
| | - Allan V Kalueff
- ZENEREI Institute and the International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
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47
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Stewart AM, Nguyen M, Wong K, Poudel MK, Kalueff AV. Developing zebrafish models of autism spectrum disorder (ASD). Prog Neuropsychopharmacol Biol Psychiatry 2014; 50:27-36. [PMID: 24315837 DOI: 10.1016/j.pnpbp.2013.11.014] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 11/22/2013] [Accepted: 11/28/2013] [Indexed: 01/07/2023]
Abstract
Autism spectrum disorder (ASD) is a serious neurodevelopmental disorder with complex symptoms and unclear, multi-factorial pathogenesis. Animal (rodent) models of ASD-like behavior are extensively used to study genetics, circuitry and molecular mechanisms of ASD. The evolutionarily conserved nature of social behavior and its molecular pathways suggests that alternative experimental models can be developed to complement and enhance the existing rodent ASD paradigms. The zebrafish (Danio rerio) is rapidly becoming a popular model organism in neuroscience and biological psychiatry to study brain function, model human brain disorders and explore their genetic or pharmacological modulation. Representing highly social animals, zebrafish emerge as a strong potential model organism to study normal and pathological social phenotypes, as well as several other ASD-like symptoms. Here, we discuss the developing utility of zebrafish in modeling ASD as a new emerging field in translational neuroscience and drug discovery.
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Affiliation(s)
- Adam Michael Stewart
- ZENEREI Institute and Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA; Department of Neuroscience, University of Pittsburgh, A210 Langley Hall, Pittsburgh, PA 15260, USA
| | - Michael Nguyen
- Department of Biomedical Engineering, University of Virginia, 415 Lane Road, Charlottesville, VA 22908, USA
| | - Keith Wong
- University of California San Diego (UCSD) School of Medicine, 9500 Gilman Dr, La Jolla, CA 92093, USA
| | - Manoj K Poudel
- ZENEREI Institute and Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA
| | - Allan V Kalueff
- ZENEREI Institute and Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
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48
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Kalueff AV, Stewart AM, Gerlai R. Zebrafish as an emerging model for studying complex brain disorders. Trends Pharmacol Sci 2014; 35:63-75. [PMID: 24412421 DOI: 10.1016/j.tips.2013.12.002] [Citation(s) in RCA: 691] [Impact Index Per Article: 69.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Revised: 12/06/2013] [Accepted: 12/09/2013] [Indexed: 12/27/2022]
Abstract
The zebrafish (Danio rerio) is rapidly becoming a popular model organism in pharmacogenetics and neuropharmacology. Both larval and adult zebrafish are currently used to increase our understanding of brain function, dysfunction, and their genetic and pharmacological modulation. Here we review the developing utility of zebrafish in the analysis of complex brain disorders (including, e.g., depression, autism, psychoses, drug abuse, and cognitive deficits), also covering zebrafish applications towards the goal of modeling major human neuropsychiatric and drug-induced syndromes. We argue that zebrafish models of complex brain disorders and drug-induced conditions are a rapidly emerging critical field in translational neuroscience and pharmacology research.
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Affiliation(s)
- Allan V Kalueff
- ZENEREI Institute and the International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
| | - Adam Michael Stewart
- ZENEREI Institute and the International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA; Department of Neuroscience, University of Pittsburgh, A210 Langley Hall, Pittsburgh, PA 15260, USA
| | - Robert Gerlai
- Department of Psychology, University of Toronto at Mississauga, 3359 Mississauga Road North, Mississauga, Ontario L5L 1C6, Canada
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49
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Oliveira RF. Mind the fish: zebrafish as a model in cognitive social neuroscience. Front Neural Circuits 2013; 7:131. [PMID: 23964204 PMCID: PMC3737460 DOI: 10.3389/fncir.2013.00131] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 07/22/2013] [Indexed: 12/26/2022] Open
Abstract
Understanding how the brain implements social behavior on one hand, and how social processes feedback on the brain to promote fine-tuning of behavioral output according to changes in the social environment is a major challenge in contemporary neuroscience. A critical step to take this challenge successfully is finding the appropriate level of analysis when relating social to biological phenomena. Given the enormous complexity of both the neural networks of the brain and social systems, the use of a cognitive level of analysis (in an information processing perspective) is proposed here as an explanatory interface between brain and behavior. A conceptual framework for a cognitive approach to comparative social neuroscience is proposed, consisting of the following steps to be taken across different species with varying social systems: (1) identification of the functional building blocks of social skills; (2) identification of the cognitive mechanisms underlying the previously identified social skills; and (3) mapping these information processing mechanisms onto the brain. Teleost fish are presented here as a group of choice to develop this approach, given the diversity of social systems present in closely related species that allows for planned phylogenetic comparisons, and the availability of neurogenetic tools that allows the visualization and manipulation of selected neural circuits in model species such as the zebrafish. Finally, the state-of-the art of zebrafish social cognition and of the tools available to map social cognitive abilities to neural circuits in zebrafish are reviewed.
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Affiliation(s)
- Rui F. Oliveira
- Unidade de Investigação em Eco-Etologia, ISPA – Instituto UniversitárioLisboa, Portugal
- Champalimaud Neuroscience Programme, Instituto Gulbenkian de CiênciaOeiras, Portugal
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50
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Parker MO, Brock AJ, Millington ME, Brennan CH. Behavioural phenotyping of casper mutant and 1-pheny-2-thiourea treated adult zebrafish. Zebrafish 2013; 10:466-71. [PMID: 23869690 DOI: 10.1089/zeb.2013.0878] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The ability to visualise neural circuits in zebrafish in vivo is one of the most useful aspects of this model organism in neuroscience. To maintain the transparency of embryos, however, drugs, such as 1-pheyl-2-thiourea (PTU) must be added, or researchers can use mutants that do not develop pigment (e.g., the casper). The behavioural characteristics of such strains, however, have not been documented. Here, we tested adult zebrafish from the casper line, as well as wild-type (Tübingen, TU) and wild-types treated as embryos with PTU on three commonly used behavioural endpoints in neuroscience: novel tank test (similar to open-field in rodents), conditioned place preference for nicotine, and social cohesion (using a new method of cluster analysis). We found no differences between the casper and the TU, but the adult TU treated with PTU as embryos showed a marked increase in anxiety during the novel tank test. These data suggest that where possible, labs interested in analysis of developmental processes involved in adult phenotypes should avoid the use of PTU in favour of transparent mutants, such as casper.
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Affiliation(s)
- Matthew O Parker
- School of Biological and Chemical Sciences, Queen Mary University of London , London, United Kingdom
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