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Dataset results
9 results for “vocal expression”
Neural FoxP2 expression in an aging open-ended vocal learner
<p>Most vocal learning species exhibit an early critical period during which their vocal control neural circuity can facilitate the acquisition of new vocalizations. Some taxa, most notably humans and parrots, retain this neurobehavioral plasticity throughout adulthood. Downregulation of the transcription factor FoxP2 in both songbird and parrot vocal control nuclei has been identified as a key expression pattern facilitating vocal learning. We hypothesize that open-ended vocal learning is vulnerable to cognitive decline, and that this deterioration will be reflected in age-related changes in neural FoxP2 expression. We tested this hypothesis in the budgerigar (<em>Melopsittacus undulatus</em>), a small gregarious parrot in which adults converge on shared call types in response to shifts in group membership. We formed novel flocks of 4 previously unfamiliar males belonging to the same age class, either "young adult" (6 mo-1 yr) or "older adult" (≥ 3 yr), and then collected audio-recordings over a 20-day learning period to assess vocal learning ability. Following behavioral recording, whole brains were extracted and immunohistochemistry was performed to measure FoxP2 protein expression in a parrot vocal learning center, the magnocellular nucleus of the medial striatum (MMSt), and its adjacent striatum. We find similarly downregulated FoxP2 expression and equivalent vocal plasticity and vocal convergence in young and older adults suggesting the maintenance of two components of open-ended learning into old age in the budgerigar. No relationship between individual variation in vocal learning measures and FoxP2 expression was detected.</p>
A small vocal repertoire during the breeding season expresses complex behavioral motivations and individual signature in the Common Coot
<p><b>Backgroun</b><b>d:</b> Although acoustic communication plays an essential role in the social interactions of Rallidae, our knowledge of how Rallidae encode diverse types of information using simple vocalizations is limited. We recorded and examined the vocalizations of a Common Coot (<i>Fulica atra</i>) population during the breeding season to test the hypotheses that 1) different call types can be emitted under different behavioral contexts, and 2) variation in the vocal structure of a single call type may be influenced both by behavioral motivations and individual signature. We measured a total of 61 recordings of 30 adults while noting the behavioral activities in which individuals were engaged. We compared several acoustic parameters of the same call type emitted under different behavioral activities to determine how frequency and temporal parameters changed depending on behavioral motivations and individual differences.</p> <p><b>Results: </b>We found that adult Common Coots had a small vocal repertoire, including 4 types of call, composed of a single syllable that was used during 9 types of behaviors. The 4 calls significantly differed in both frequency and temporal parameters and can be clearly distinguished by discriminant function analysis. Minimum frequency of fundamental frequency (F<sub>0min</sub>) and duration of syllable (T) contributed the most to acoustic divergence between calls. Call <i>a</i> was the most commonly used (in 8 of the 9 behaviors detected), and maximum frequency of fundamental frequency (F<sub>0max</sub>) and interval of syllables (TI) contributed the most to variation in call <i>a</i>. Duration of syllable (T) in a single call <i>a</i> can vary with different behavioral motivations after individual vocal signature being controlled.</p> <p><b>Conclusions:</b> These results demonstrate that several call types of a small repertoire, and a single call with function-related changes in the temporal parameter in Common Coots could potentially indicate various behavioral motivations and individual signature. This study advances our knowledge of how Rallidae use "simple" vocal systems to express diverse motivations and provides new models for future studies on the role of vocalization in avian communication and behavior.</p>
A small vocal repertoire during the breeding season expresses complex behavioral motivations and individual signature in the Common Coot
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Neural FoxP2 expression in an aging open-ended vocal learner
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Effect of the "Adjusted Vocal Expression" Method on the Satisfaction of Parturients About Their Childbirth
ClinicalTrials.gov study NCT02899494. IPD Sharing: NO. Countries: 1. Publications: 0.
Measuring Automated Behavioral Observations & Vocal Expressions (ABOVE)
ClinicalTrials.gov study NCT03459456. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Expression data from rat vocal fold at different periods after vocal fold injury
GEO Series GSE139383. Rattus norvegicus. 20 samples. Type: Expression profiling by array.
Alpha-synuclein deficiency affects brain Foxp1 expression and ultrasonic vocalization
GEO Series GSE19534. Mus musculus. 26 samples. Type: Expression profiling by array.
Expression data from rat vocal fold at different periods after vocal fold injury (miRNA)
GEO Series GSE147473. synthetic construct; Rattus norvegicus. 20 samples. Type: Non-coding RNA profiling by array.
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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.