Tyrone Lucon‐Xiccato
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View article: Does Microplastic Ingestion Affect Cognition and Brain Gene Expression in Zebrafish, <i>Danio rerio</i> ?
Does Microplastic Ingestion Affect Cognition and Brain Gene Expression in Zebrafish, <i>Danio rerio</i> ? Open
Cognition exhibits remarkable plasticity and therefore is potentially susceptible to non‐adaptive changes caused by anthropogenic disturbances such as pollution. Among the most pervasive pollutants in aquatic environments are microplastics…
View article: Analysis of neural plasticity genes’ expression in fish brain reveals the basis of individual differences in learning
Analysis of neural plasticity genes’ expression in fish brain reveals the basis of individual differences in learning Open
Individual differences in cognition have been historically recognized in humans, and recent evidence suggests that such variation is widespread across the animal kingdom. Despite its importance for individuals' behaviour and fitness, the b…
View article: Early‐Life Heat Stress Impairs Cognition and Alters Its Covariation With Behaviour in Zebrafish
Early‐Life Heat Stress Impairs Cognition and Alters Its Covariation With Behaviour in Zebrafish Open
As global temperatures rise, animals are increasingly exposed to heat stress, with growing evidence suggesting that such stress can impair cognitive functions. While research has documented these cognitive effects in adult mammals, birds a…
View article: Microplastic ingestion affects the lateralised processing of predator stimuli in fish
Microplastic ingestion affects the lateralised processing of predator stimuli in fish Open
Microplastic ingestion affects fish brains at the molecular level, but its impact on cognitive phenotype remains unclear. We fed zebrafish ( Danio rerio ) food containing either polyethylene or poly(butylene‐adipate‐co‐terephthalate) micro…
View article: Correction: Expression of glucocorticoid-receptor covaries with individual differences in visual lateralisation in zebrafish
Correction: Expression of glucocorticoid-receptor covaries with individual differences in visual lateralisation in zebrafish Open
View article: Transcriptome-wide deregulation of gene expression in zebrafish exposed to artificial light at night
Transcriptome-wide deregulation of gene expression in zebrafish exposed to artificial light at night Open
View article: Sex affects the network of covariances between cognitive, behavioral, and physiological traits in guppies
Sex affects the network of covariances between cognitive, behavioral, and physiological traits in guppies Open
View article: Individual Differences in Vertebrate Behavioural Lateralisation: The Role of Genes and Environment
Individual Differences in Vertebrate Behavioural Lateralisation: The Role of Genes and Environment Open
In humans, certain functions such as language and spatial attention are lateralised, meaning they are predominantly or exclusively performed by one hemisphere. Intriguingly, a significant portion of individuals exhibit a mirrored pattern o…
View article: Expression of glucocorticoid-receptor covaries with individual differences in visual lateralisation in zebrafish
Expression of glucocorticoid-receptor covaries with individual differences in visual lateralisation in zebrafish Open
Cerebral lateralisation, the differential cognitive processing in the two brain hemispheres, is variable among individuals in most vertebrates. Part of this variance has been attributed to plasticity in response to environmental stressors …
View article: Circadian Modulation of Behavioral Stress Responses in Zebrafish Is Age‐Dependent
Circadian Modulation of Behavioral Stress Responses in Zebrafish Is Age‐Dependent Open
In the wild, stressors occur with varying likelihood throughout the day, leading animals to evolve plastic stress responses that exhibit circadian rhythmicity. In mammals, studies have revealed that the circadian plasticity of stress respo…
View article: Habituation with apparatus and group testing improves assessment of fish preferences
Habituation with apparatus and group testing improves assessment of fish preferences Open
Preference tests are commonly used to assess fish behavior and cognition in several research fields. This study aimed to investigate how fish perform in a preference test involving extended habituation to the apparatus, which was expected …
View article: High biodiversity may improve fish welfare
High biodiversity may improve fish welfare Open
View article: Circadian modulation of behavioural stress indicators varies between diurnal and nocturnal fish species
Circadian modulation of behavioural stress indicators varies between diurnal and nocturnal fish species Open
In the wild, most animals experience daily fluctuations in threats and resources that are synchronised with environmental time cues such as the light-dark cycle. Consequently, animals have evolved daily behavioural patterns (i.e., diurnal …
View article: Eels’ individual migratory behavior stems from a complex syndrome involving cognition, behavior, physiology, and life history
Eels’ individual migratory behavior stems from a complex syndrome involving cognition, behavior, physiology, and life history Open
Variability within species is key for adaptability and biological evolution. To understand individualities in the context of animal movement, we focused on one of the most remarkable migrations—the journey of the endangered European eel fr…
View article: Differential impact of artificial light at night on cognitive flexibility in visual and spatial reversal learning tasks
Differential impact of artificial light at night on cognitive flexibility in visual and spatial reversal learning tasks Open
Artificial light at night (ALAN) is a pervasive environmental pollutant with multiple adverse effects on animal biology. As the vertebrate nervous system is particularly sensitive to light effects, this study explores the potential negativ…
View article: Puzzle feeder as a cognitive enrichment strategy determines long-term welfare improvements in a teleost fish
Puzzle feeder as a cognitive enrichment strategy determines long-term welfare improvements in a teleost fish Open
Providing access to cognitive tasks, such as puzzle feeders, holds promise as enrichment strategy to enhance the welfare of captive animals. Despite the substantial number of teleost fish in captivity, the effects of cognitive enrichments …
View article: Knockout in zebrafish reveals the role of the glucocorticoid receptor in shaping behavioral syndromes
Knockout in zebrafish reveals the role of the glucocorticoid receptor in shaping behavioral syndromes Open
View article: Sodium valproate effects on the morphological and neurobehavioral phenotype of zebrafish
Sodium valproate effects on the morphological and neurobehavioral phenotype of zebrafish Open
The anticonvulsant sodium valproate (SV) is frequently administered as a medicament but bears several negative effects in case of exposure during development. We analyzed extensively these early development effects of using the zebrafish m…
View article: Social buffering of behavioural stress response in two fish species, Nile tilapia (<i>Oreochromis niloticus</i>) and koi carp (<i>Cyprinus carpio</i>)
Social buffering of behavioural stress response in two fish species, Nile tilapia (<i>Oreochromis niloticus</i>) and koi carp (<i>Cyprinus carpio</i>) Open
The presence of conspecifics plays a crucial role in mitigating stress responses in social teleost species and holds potential for enhancing welfare in captive fish. While studies on social buffering effects have typically focussed on sing…
View article: Inhibitory control in teleost fish: a methodological and conceptual review
Inhibitory control in teleost fish: a methodological and conceptual review Open
Inhibitory control (IC) plays a central role in behaviour control allowing an individual to resist external lures and internal predispositions. While IC has been consistently investigated in humans, other mammals, and birds, research has o…
View article: One-trial odour recognition learning and its underlying brain areas in the zebrafish
One-trial odour recognition learning and its underlying brain areas in the zebrafish Open
View article: Do captive fish need cognitive enrichment? A test with a puzzle feeder in guppies
Do captive fish need cognitive enrichment? A test with a puzzle feeder in guppies Open
For many mammalian and avian species, it has been proposed that cognitive enrichment, such as puzzle feeders, can improve welfare in captive conditions. A well‐established method to evaluate the need for cognitive enrichment is to observe …
View article: Intraspecific variation in invertebrate cognition: a review
Intraspecific variation in invertebrate cognition: a review Open
View article: Embryonic and larval exposure to propylparaben induces developmental and long-term neurotoxicity in zebrafish model
Embryonic and larval exposure to propylparaben induces developmental and long-term neurotoxicity in zebrafish model Open
Parabens are preservatives found in cosmetics, processed foods, and medications. The harmful repercussions on the central nervous system by one of the most common parabens, propylparaben (PrP), are yet unknown, especially during developmen…
View article: Embryonic exposure to artificial light at night impairs learning abilities and their covariance with behavioural traits in teleost fish
Embryonic exposure to artificial light at night impairs learning abilities and their covariance with behavioural traits in teleost fish Open
The natural light cycle has profound effects on animals' cognitive systems. Its alteration owing to human activities, such as artificial light at night (ALAN), affects the biodiversity of mammalian and avian species by impairing their cogn…
View article: The Application of Synthetic Flavors in Zebrafish (Danio rerio) Rearing with Emphasis on Attractive Ones: Effects on Fish Development, Welfare, and Appetite
The Application of Synthetic Flavors in Zebrafish (Danio rerio) Rearing with Emphasis on Attractive Ones: Effects on Fish Development, Welfare, and Appetite Open
The aim of the present study was to test synthetic flavors as potential feed attractants in zebrafish (Danio rerio) during early development. Six experimental groups were set up in triplicate: (i) a CTRL group fed a zebrafish commercial di…
View article: Interspecific differences in developmental mode determine early cognitive abilities in teleost fish
Interspecific differences in developmental mode determine early cognitive abilities in teleost fish Open
Most studies on developmental variation in cognition have suggested that individuals are born with reduced or absent cognitive abilities, and thereafter, cognitive performance increases with age during early development. However, these stu…
View article: Modeling Sarcoglycanopathy in Danio rerio
Modeling Sarcoglycanopathy in Danio rerio Open
Sarcoglycanopathies, also known as limb girdle muscular dystrophy 3-6, are rare muscular dystrophies characterized, although heterogeneous, by high disability, with patients often wheelchair-bound by late adolescence and frequently develop…
View article: Adaptive phenotypic plasticity induces individual variability along a cognitive trade-off
Adaptive phenotypic plasticity induces individual variability along a cognitive trade-off Open
Animal species, including humans, display patterns of individual variability in cognition that are difficult to explain. For instance, some individuals perform well in certain cognitive tasks but show difficulties in others. We experimenta…
View article: Daily rhythms in the behavioural stress response of the zebrafish Danio rerio
Daily rhythms in the behavioural stress response of the zebrafish Danio rerio Open
In nature, animals are exposed to stressors that occur with different likelihood throughout the day, such as risk of predation and human disturbance. Hence, the stress response is expected to vary plastically to adaptively match these chal…