Evan Lloyd
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View article: Cryptic and Ecologically Relevant Locomotor Activity Patterns in Lake Malawi Cichlids Revealed Through Computer Vision Pipeline
Cryptic and Ecologically Relevant Locomotor Activity Patterns in Lake Malawi Cichlids Revealed Through Computer Vision Pipeline Open
Cichlid fishes have long been a popular model for ecology and evolutionary biology. Not only do they exhibit nearly unparalleled taxonomic diversity, but their community structures are both complex and extremely dense. Niche partitioning a…
View article: Analysis of multi-trait evolution across independently evolved cavefish populations reveals shared and independent evolution of suites of cave-associated traits
Analysis of multi-trait evolution across independently evolved cavefish populations reveals shared and independent evolution of suites of cave-associated traits Open
Environmental perturbations often lead to the evolution of multiple traits. Determining whether shared genetic factors underlie multi-trait evolution is a central question in evolutionary biology. In the Mexican tetra, Astyanax mexicanus, …
View article: Cryptic and Ecologically Relevant Locomotor Activity Patterns in Lake Malawi Cichlids Revealed Through Computer Vision Pipeline
Cryptic and Ecologically Relevant Locomotor Activity Patterns in Lake Malawi Cichlids Revealed Through Computer Vision Pipeline Open
Cichlid fishes have long been a popular model for ecology and evolutionary biology. Not only do they exhibit nearly unparalleled taxonomic diversity, but their community structures are both complex and extremely dense. Niche partitioning a…
View article: Mutations in the albinism gene <i>oca2</i> alter vision-dependent prey capture behavior in the Mexican tetra
Mutations in the albinism gene <i>oca2</i> alter vision-dependent prey capture behavior in the Mexican tetra Open
Understanding the phenotypic consequences of naturally occurring genetic changes, as well as their impact on fitness, is fundamental to understanding how organisms adapt to an environment. This is critical when genetic variants have pleiot…
View article: Elevated DNA Damage without signs of aging in the short-sleeping Mexican Cavefish
Elevated DNA Damage without signs of aging in the short-sleeping Mexican Cavefish Open
Dysregulation of sleep has widespread health consequences and represents an enormous health burden. Short-sleeping individuals are predisposed to the effects of neurodegeneration, suggesting a critical role for sleep in the maintenance of …
View article: Postprandial Sleep in Short‐Sleeping Mexican Cavefish
Postprandial Sleep in Short‐Sleeping Mexican Cavefish Open
Interactions between sleep and feeding behaviors are critical for adaptive fitness. Diverse species suppress sleep when food is scarce to increase the time spent foraging. Postprandial sleep, an increase in sleep time following a feeding e…
View article: Aging is associated with a modality-specific decline in taste
Aging is associated with a modality-specific decline in taste Open
Deficits in chemosensory processing are associated with healthy aging, as well as numerous neurodegenerative disorders, including Alzheimer's disease (AD). The fruit fly, Drosophila melanogaster, is a powerful model for studying chemosensa…
View article: Elevated DNA Damage without signs of aging in the short-sleeping Mexican Cavefish
Elevated DNA Damage without signs of aging in the short-sleeping Mexican Cavefish Open
Dysregulation of sleep has widespread health consequences and represents an enormous health burden. Short-sleeping individuals are predisposed to the effects of neurodegeneration, suggesting a critical role for sleep in the maintenance of …
View article: Elevated DNA damage without signs of aging in the short-sleeping Mexican cavefish
Elevated DNA damage without signs of aging in the short-sleeping Mexican cavefish Open
Dysregulated sleep has widespread health consequences, including the accumulation of DNA damage. The Mexican tetra, Astyanax mexicanus , provides a powerful model to study the evolution and consequences of sleep loss. Multiple cave-adapted…
View article: Postprandial sleep in short-sleeping Mexican cavefish
Postprandial sleep in short-sleeping Mexican cavefish Open
Interaction between sleep and feeding behaviors are critical for adaptive fitness. Diverse species suppress sleep when food is scarce to increase the time spent foraging. Post-prandial sleep, an increase in sleep time following a feeding e…
View article: Mutations in the albinism gene<i>oca2</i>alter vision-dependent prey capture behavior in the Mexican tetra
Mutations in the albinism gene<i>oca2</i>alter vision-dependent prey capture behavior in the Mexican tetra Open
Understanding the phenotypic consequences of naturally occurring genetic changes, as well as their impact on fitness, is fundamental to understanding how organisms adapt to an environment. This is critical when genetic variants have pleiot…
View article: Elevated DNA Damage without signs of aging in the short-sleeping Mexican Cavefish
Elevated DNA Damage without signs of aging in the short-sleeping Mexican Cavefish Open
Dysregulation of sleep has widespread health consequences and represents an enormous health burden. Short-sleeping individuals are predisposed to the effects of neurodegeneration, suggesting a critical role for sleep in the maintenance of …
View article: Aging is associated with a modality-specific decline in taste
Aging is associated with a modality-specific decline in taste Open
Deficits in chemosensory processing are associated with healthy aging, as well as numerous neurodegenerative disorders, including Alzheimer’s Disease (AD). In many cases, chemosensory deficits are harbingers of neurodegenerative disease, a…
View article: Neurofibromin 1 mediates sleep depth in Drosophila
Neurofibromin 1 mediates sleep depth in Drosophila Open
Neural regulation of sleep and metabolic homeostasis are critical in many aspects of human health. Despite extensive epidemiological evidence linking sleep dysregulation with obesity, diabetes, and metabolic syndrome, little is known about…
View article: Ontogeny and social context regulate the circadian activity patterns of Lake Malawi cichlids
Ontogeny and social context regulate the circadian activity patterns of Lake Malawi cichlids Open
Activity patterns tend to be highly stereotyped and critical for executing many different behaviors including foraging, social interactions, and predator avoidance. Differences in the circadian timing of locomotor activity and rest periods…
View article: A brain-wide analysis maps structural evolution to distinct anatomical module
A brain-wide analysis maps structural evolution to distinct anatomical module Open
The vertebrate brain is highly conserved topologically, but less is known about neuroanatomical variation between individual brain regions. Neuroanatomical variation at the regional level is hypothesized to provide functional expansion, bu…
View article: Ontogeny and social context regulate the circadian activity patterns of Lake Malawi cichlids
Ontogeny and social context regulate the circadian activity patterns of Lake Malawi cichlids Open
Activity patterns tend to be highly stereotyped and critical for executing many different behaviors including foraging, social interactions and predator avoidance. Differences in the circadian timing of locomotor activity and rest periods …
View article: Neurofibromin 1 mediates sleep depth in <i>Drosophila</i>
Neurofibromin 1 mediates sleep depth in <i>Drosophila</i> Open
Neural regulation of sleep and metabolic homeostasis are critical in many aspects of human health. Despite extensive epidemiological evidence linking sleep dysregulation with obesity, diabetes, and metabolic syndrome, little is known about…
View article: Characterizing the genetic basis of trait evolution in the Mexican cavefish
Characterizing the genetic basis of trait evolution in the Mexican cavefish Open
Evolution in response to a change in ecology often coincides with various morphological, physiological, and behavioral traits. For most organisms little is known about the genetic and functional relationship between evolutionarily derived …
View article: A brain-wide analysis maps structural evolution to distinct anatomical modules
A brain-wide analysis maps structural evolution to distinct anatomical modules Open
Brain anatomy is highly variable and it is widely accepted that anatomical variation impacts brain function and ultimately behavior. The structural complexity of the brain, including differences in volume and shape, presents an enormous ba…
View article: Characterizing the genetic basis of trait evolution in the Mexican cavefish
Characterizing the genetic basis of trait evolution in the Mexican cavefish Open
Evolution in response to a change in ecology often coincides with various morphological, physiological, and behavioral traits. For most organisms little is known about the genetic and functional relationship between evolutionarily derived …
View article: Blind cavefish retain functional connectivity in the tectum despite loss of retinal input
Blind cavefish retain functional connectivity in the tectum despite loss of retinal input Open
Sensory systems display remarkable plasticity and are under strong evolutionary selection. The Mexican cavefish, Astyanax mexicanus , consists of eyed river-dwelling surface populations, and multiple independent cave populations which have…
View article: Diversity in rest–activity patterns among Lake Malawi cichlid fishes suggests a novel axis of habitat partitioning
Diversity in rest–activity patterns among Lake Malawi cichlid fishes suggests a novel axis of habitat partitioning Open
Animals display remarkable diversity in rest and activity patterns that are regulated by endogenous foraging strategies, social behaviors and predator avoidance. Alteration in the circadian timing of activity or the duration of rest–wake c…
View article: Cavefish brain atlases reveal functional and anatomical convergence across independently evolved populations
Cavefish brain atlases reveal functional and anatomical convergence across independently evolved populations Open
Brain atlases reveal neuroanatomical and activity signatures associated with behavioral evolution in cavefish.
View article: Diversity in rest-activity patterns among Lake Malawi cichlid fishes suggests novel axis of habitat partitioning
Diversity in rest-activity patterns among Lake Malawi cichlid fishes suggests novel axis of habitat partitioning Open
Animals display remarkable diversity in rest and activity patterns that are regulated by endogenous foraging strategies, social behaviors, and predator avoidance. Alteration in the circadian timing of activity or the duration of rest-wake …
View article: Cavefish brain atlases reveal functional and anatomical convergence across independently evolved populations
Cavefish brain atlases reveal functional and anatomical convergence across independently evolved populations Open
Environmental perturbation can drive the evolution of behavior and associated changes in brain structure and function. The generation of computationally-derived whole-brain atlases have provided insight into neural connectivity associated …