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Dataset results
16 results for “Behavior: dominance”
Movement behavior in a dominant ungulate underlies successful adjustment to a rapidly changing landscape following megafire
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Theta dominates cross-frequency coupling in hippocampal-medial entorhinal circuit during awake-behavior in rats
<p>Hippocampal theta and gamma rhythms are hypothesized to play a role in the physiology of higher cognition. Prior research has reported that an offset in theta cycles between the entorhinal cortex, CA3, and CA1 regions promotes independence of population activity across the hippocampus. In line with this idea, it has recently been observed that CA1 pyramidal cells can establish and maintain coordinated place cell activity intrinsically, with minimal reliance on afferent input. Counter to these observations is the contemporary hypothesis that CA1 neuron activity is driven by a gamma oscillation arising from the medial entorhinal cortex (MEC) that relays information by providing precisely timed synchrony between MEC and CA1. Reinvestigating this in rats during appetitive track running, we found that theta is the dominant frequency of cross-frequency coupling between the MEC and hippocampus, with hippocampal gamma largely independent of entorhinal gamma.</p>
Pleiotropic opposing dominance within a color gene block contributes to a nascent species boundary via its influence on hybrid male territorial behavior
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Theta dominates cross-frequency coupling in hippocampal-medial entorhinal circuit during awake-behavior in rats
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Data set for: Behavioral traits that define social dominance are the same that reduce social influence in a consensus task
<p>Dominant individuals are often most influential in their social groups, affecting movement, opinion, and performance across species and contexts. Yet behavioral traits like aggression, intimidation, and coercion, which are associated with and in many cases define dominance, can be socially aversive. The traits that make dominant individuals influential in one context may therefore reduce their influence in other contexts. Here we examine this association between dominance and influence using the cichlid fish <i>Astatotilapia burtoni</i>, comparing the influence of dominant and subordinate males during normal social interactions and in a more complex group-consensus association task. We find that phenotypically dominant males are aggressive, socially central, and that these males have a strong influence over normal group movement, whereas subordinate males are passive, socially peripheral, and have little influence over normal movement. However, subordinate males have the greatest influence in generating group-consensus during the association task. Dominant males are spatially distant and have lower signal-to-noise ratios of informative behavior in the association task, potentially interfering with their ability to generate group-consensus. In contrast, subordinate males are physically close to other group members, have a high signal-to-noise ratio of informative behavior, and equivalent visual connectedness to their group as dominant males. The behavioral traits that define effective social influence are thus highly context-specific and can be dissociated with social dominance. Thus, processes of hierarchical ascension in which the most aggressive, competitive, or coercive individuals rise to positions of dominance may be counter-productive in contexts where group-performance is prioritized.</p>
Male-male behavioral interactions drive social-dominance mediated differences in ejaculate traits
<p>Higher social status is expected to result in fitness benefits as it secures access to potential mates. In promiscuous species, male reproductive success is also determined by an individual's ability to compete for fertilization after mating by producing high quality ejaculates. However, the complex relationship between a male's investment in social status and ejaculates remains unclear. Here we examine how male social status influences ejaculate quality under a range of social contexts in the pygmy halfbeak <i>Dermogenys </i>cf.<i> collettei</i>, a small, group-living, internally fertilizing freshwater fish. We show that male social status influences ejaculate traits, both in the presence and absence of females. Dominant males produced faster swimming and more viable sperm, two key determinants of ejaculate quality, but only under conditions with frequent male-male behavioral interactions. When male-male interactions were experimentally reduced through the addition of a refuge, differences in ejaculate traits of dominant and subordinate males disappeared. Furthermore, dominant males were in better condition, growing faster and possessing larger livers, highlighting a possible condition-dependence of competitive traits. Contrary to expectations, female presence or absence did not affect sperm swimming speed or testes mass. Together, these results suggest a positive relationship between social status and ejaculate quality in halfbeaks,<i> </i>and highlight that the strength of behavioral interactions between males is a key driver of social-status dependent differences in ejaculate traits.</p>
Evaluating the role of body size and habitat type in movement behavior in human-dominated systems: A frog's eye view
<p>Animal movement is a key process that connects and maintains populations on the landscape, yet for most species we do not understand how intrinsic and extrinsic factors interact to influence individual movement behavior. </p> <p>Land-use/land-cover changes highlight that connectivity among populations will depend upon an individual's ability to traverse habitats, which may vary as a result of habitat permeability, individual condition, or a combination of these factors.</p> <p>We examined the effects of intrinsic (body size) and extrinsic (habitat type) factors on desiccation tolerance, movement, and orientation in three anuran species (American toads, <em>Anaxyrus americanus</em>; northern leopard frogs, <em>Lithobates pipiens</em>; and Blanchard's cricket frogs, <em>Acris blanchardi</em>) using laboratory and field studies to connect the effects of susceptibility to desiccation, size, and movement behavior in single habitat types and at habitat edges.</p> <p>Smaller anurans were more vulnerable to desiccation, particularly for species that metamorphose at relatively small sizes. Habitat type had the strongest effect on movement, while body size had more situational and species-specific effects on movement. We found that individuals moved the farthest in habitat types that, when given the choice, they oriented away from, suggesting that these habitats are less favorable and could represent barriers for movement.</p> <p>Overall, our work demonstrated that differences in habitat type had strong impacts on individual movement behavior and influenced choices at habitat edges. By integrating intrinsic and extrinsic factors into our study, we provided evidence that population connectivity may be influenced not only by the habitat matrix, but the condition of the individuals leaving the habitat patch.</p>
Motor context dominates output from Purkinje cell functional regions during reflexive visuomotor behaviors
<p>Example calcium imaging dataset for Knogler et al., 2018</p>
Male-male behavioral interactions drive social-dominance mediated differences in ejaculate traits
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Data set for: Behavioral traits that define social dominance are the same that reduce social influence in a consensus task
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Evaluating the role of body size and habitat type in movement behavior in human-dominated systems: A frog’s eye view
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Data from: Changes in dominance status erode personality and behavioral syndromes
The interplay between consistent individual differences in behavior (i.e., animal personality) and behavioral plasticity has recently attracted increased interest. We used male Australian field crickets (Teleogryllus oceanicus) to investigate how dominance status influences the consistency and plasticity of different personality traits, namely boldness, exploration, and activity, by experimentally manipulating dominance status between measuring sessions. We found that dominants that became subordinate when socially challenged, shifted their behavior, becoming less bold, explorative, and active, whereas subordinates that became dominant, became bolder, more explorative, and more active. Individuals that experienced no change in dominance status did not alter their behavior. Changes in dominance status reduced the repeatability of the putative personality traits of exploration and activity while not affecting the repeatability of boldness. Moreover, changes in dominance status affected the presence of correlations between some personality traits, but not others. Finally, calling behavior was related to current and future dominance and explorative tendencies. We discuss the broader evolutionary and ecological implications of our findings and propose that changes in social status should be considered when investigating behavioral syndromes and the interplay between animal personality and behavioral plasticity.
Data from: Changes in dominance status erode personality and behavioral syndromes
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Motor context dominates output from Purkinje cell functional regions during reflexive visuomotor behaviors
<p>Example electrophysiology datasets</p> <p>Variables are stored as .mat (MATLAB) and electrophysiological traces as .h5 files</p>
Severe hydroxymethylbilane synthase deficiency causes depression-like behavior and mitochondrial dysfunction in a mouse model of homozygous dominant acute intermittent porphyria
GEO Series GSE146212. Mus musculus. 12 samples. Type: Expression profiling by high throughput sequencing.
Psychopathic Traits, Externalizing Problems, and Prosocial Behavior: The Role of Social Dominance Orientation
<p>In order to request the data you need to contact Dott. Pietro Muratori at the following email: pietro.muratori@fsm.unipi.it</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.