Elia Gatto
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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: Preference for complex environments in larval zebrafish
Preference for complex environments in larval zebrafish Open
Environmental complexity is increasingly recognized as a critical factor for animal welfare and cognitive development across vertebrates. While adult zebrafish (Danio rerio) show a strong preference for complex environments, little is know…
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: 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: An Automated Low-Cost Solution for Creating a Multiple-Step Thermal Gradient to Record Daily Fish Thermoregulatory Behavior
An Automated Low-Cost Solution for Creating a Multiple-Step Thermal Gradient to Record Daily Fish Thermoregulatory Behavior Open
Photoperiod and temperature are two of the most powerful environmental cues that entrain circadian clocks. Being ectothermic, fish must keep their body temperature within a physiological range to optimize biological processes mainly applyi…
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: Different behavioral profiles between invasive and native nudibranchs: means for invasion success?
Different behavioral profiles between invasive and native nudibranchs: means for invasion success? Open
Behavior is predicted to be a primary determinant of the success of the invasion process during the early phases of colonization. Comparing invaders with sympatric native species may provide a good approach to unravel behavioral traits inv…
View article: Exploring the Importance of Environmental Complexity for Newly Hatched Zebrafish
Exploring the Importance of Environmental Complexity for Newly Hatched Zebrafish Open
The effects of an early impoverished social or physical environment on vertebrate neural development and cognition has been known for decades. While existing studies have focused on the long-term effects, measuring adult cognitive phenotyp…
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: An insect’s view of a numerosity illusion: a simple strategy may explain complex numerical performance in bumblebees
An insect’s view of a numerosity illusion: a simple strategy may explain complex numerical performance in bumblebees Open
Summary Despite some similarities in numerical abilities among vertebrates, animals seem to differ with respect to the perceptual factors underlying numerical estimation. This is particularly evident in the case of numerosity illusions, a …
View article: Enhancing Rearing of European Seabass (Dicentrarchus labrax) in Aquaponic Systems: Investigating the Effects of Enriched Black Soldier Fly (Hermetia illucens) Prepupae Meal on Fish Welfare and Quality Traits
Enhancing Rearing of European Seabass (Dicentrarchus labrax) in Aquaponic Systems: Investigating the Effects of Enriched Black Soldier Fly (Hermetia illucens) Prepupae Meal on Fish Welfare and Quality Traits Open
Within the modern aquaculture goals, the present study aimed to couple sustainable aquafeed formulation and culturing systems. Two experimental diets characterized by 3 and 20% of fish meal replacement with full-fat spirulina-enriched blac…
View article: Quantity discrimination in newly hatched zebrafish suggests hardwired numerical abilities
Quantity discrimination in newly hatched zebrafish suggests hardwired numerical abilities Open
An intriguing hypothesis to explain the ubiquity of numerical abilities is that all vertebrates are born with hardwired neuronal networks for processing numbers. To date, only studies on human foetuses have clearly supported this hypothesi…
View article: Individual differences and knockout in zebrafish reveal similar cognitive effects of BDNF between teleosts and mammals
Individual differences and knockout in zebrafish reveal similar cognitive effects of BDNF between teleosts and mammals Open
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-d…
View article: Illusional Perspective across Humans and Bees
Illusional Perspective across Humans and Bees Open
For two centuries, visual illusions have attracted the attention of neurobiologists and comparative psychologists, given the possibility of investigating the complexity of perceptual mechanisms by using relatively simple patterns. Animal m…
View article: Environmental enrichment decreases anxiety‐like behavior in zebrafish larvae
Environmental enrichment decreases anxiety‐like behavior in zebrafish larvae Open
The development of anxiety disorders is often linked to individuals’ negative experience. In many animals, development of anxiety‐like behavior is modeled by manipulating individuals’ exposure to environmental enrichment. We investigated w…
View article: Review for "What do male and female zebrafish prefer? Directional and color preference in maze tasks"
Review for "What do male and female zebrafish prefer? Directional and color preference in maze tasks" Open
View article: Effects of environmental enrichment on recognition memory in zebrafish larvae
Effects of environmental enrichment on recognition memory in zebrafish larvae Open
Zebrafish (Danio rerio) constitute a useful model for studying memory function and impairment in vertebrates and are now widely used in translational research. On the one hand, the adoption of simple, fast and reliable tests such as novel …
View article: Data from Individual differences and knockout in zebrafish reveal similar cognitive effects of BDNF between teleosts and mammals
Data from Individual differences and knockout in zebrafish reveal similar cognitive effects of BDNF between teleosts and mammals Open
Datasets of the experiments supporting this study. Each sheet is relative to a separate experiment.
View article: Quantitative abilities of invertebrates: a methodological review
Quantitative abilities of invertebrates: a methodological review Open
Quantitative abilities are widely recognized to play important roles in several ecological contexts, such as foraging, mate choice, and social interaction. Indeed, such abilities are widespread among vertebrates, in particular mammals, bir…
View article: Automated Operant Conditioning Devices for Fish. Do They Work?
Automated Operant Conditioning Devices for Fish. Do They Work? Open
The growing use of teleosts in comparative cognition and in neurobiological research has prompted many researchers to develop automated conditioning devices for fish. These techniques can make research less expensive and fully comparable w…
View article: The devil is in the detail: Zebrafish learn to discriminate visual stimuli only if salient
The devil is in the detail: Zebrafish learn to discriminate visual stimuli only if salient Open
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, …
View article: Bumblebees Use Sequential Scanning of Countable Items in Visual Patterns to Solve Numerosity Tasks
Bumblebees Use Sequential Scanning of Countable Items in Visual Patterns to Solve Numerosity Tasks Open
Most research in comparative cognition focuses on measuring if animals manage certain tasks; fewer studies explore how animals might solve them. We investigated bumblebees’ scanning strategies in a numerosity task, distinguishing patterns …
View article: Peer Review #2 of "Measuring recognition memory in zebrafish larvae: issues and limitations (v0.1)"
Peer Review #2 of "Measuring recognition memory in zebrafish larvae: issues and limitations (v0.1)" Open
Recognition memory is the capacity to recognize previously encountered objects, events or places.This ability is crucial for many fitness-related activities, and it appears very early in the development of several species.In the laboratory…
View article: Peer Review #1 of "Measuring recognition memory in zebrafish larvae: issues and limitations (v0.2)"
Peer Review #1 of "Measuring recognition memory in zebrafish larvae: issues and limitations (v0.2)" Open
Recognition memory is the capacity to recognize previously encountered objects, events or places.This ability is crucial for many fitness-related activities, and it appears very early in the development of several species.In the laboratory…
View article: Measuring recognition memory in zebrafish larvae: issues and limitations
Measuring recognition memory in zebrafish larvae: issues and limitations Open
Recognition memory is the capacity to recognize previously encountered objects, events or places. This ability is crucial for many fitness-related activities, and it appears very early in the development of several species. In the laborato…
View article: Peer Review #1 of "Measuring recognition memory in zebrafish larvae: issues and limitations (v0.1)"
Peer Review #1 of "Measuring recognition memory in zebrafish larvae: issues and limitations (v0.1)" Open
Recognition memory is the capacity to recognize previously encountered objects, events or places.This ability is crucial for many fitness-related activities, and it appears very early in the development of several species.In the laboratory…
View article: Peer Review #2 of "Measuring recognition memory in zebrafish larvae: issues and limitations (v0.2)"
Peer Review #2 of "Measuring recognition memory in zebrafish larvae: issues and limitations (v0.2)" Open
Recognition memory is the capacity to recognize previously encountered objects, events or places.This ability is crucial for many fitness-related activities, and it appears very early in the development of several species.In the laboratory…
View article: Selective interspecific information use in the nest choice of solitary bees
Selective interspecific information use in the nest choice of solitary bees Open
Most of the studies on learning in bees have focused on the foraging context; we know little about the preferences and cognitive processes in nest-site selection, especially in solitary bees. The majority of the bee species are solitary an…