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5 results for “vocal mimicry”
Higher-order sequences of vocal mimicry performed by male Albert's lyrebirds are socially transmitted and enhance acoustic contrast
<p>Most studies of acoustic communication focus on short units of vocalisation such as songs, yet these units are often hierarchically organised into higher-order sequences, and outside human language, little is known about the drivers of sequence structure. Here we investigate the organisation, transmission, and function of vocal sequences sung by male Albert's lyrebirds (<i>Menura alberti</i>), a species renowned for vocal imitations of other species. We quantified the organisation of mimetic units into sequences and examined the extent to which these sequences are repeated within and between individuals and shared among populations. We found that individual males organised their mimetic units into stereotyped sequences. Sequence structures were shared within and to a lesser extent among populations, implying that sequences were socially transmitted. Across the entire species range, mimetic units were sung with immediate variety and a high acoustic contrast between consecutive units, suggesting that sequence structure is a means to enhance receiver perceptions of repertoire complexity. Our results provide evidence that higher-order sequences of vocalisations can be socially transmitted, and that the order of vocal units can be functionally significant. We conclude that, to fully understand vocal behaviours, we must study both the individual vocal units and their higher-order temporal organisation.</p>
Higher-order sequences of vocal mimicry performed by male Albert’s lyrebirds are socially transmitted and enhance acoustic contrast
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Data from: The effects of age on vocal mimicry in female superb lyrebirds
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Figure 3 in Hybridisation or vocal mimicry? A case of a mixed singing River Warbler Locustella fluviatilis in eastern Poland
Figure 3. Sonogram image comparison. River Warbler typical song – single note longer, main frequency spectrum wider, harmonics visible as horizontal bars or waves, no double narrow sharp elements. Grasshopper Warbler typical song – single note shorter, main frequency spectrum narrower, no visible harmonics bars, double narrow sharp elements within each note. RW – River Warbler-type song of mixed singer; GW – Grasshopper Warbler-type song of mixed singer (recordings of the typical songs made by T. Ogrodowczyk, available in Kruszewicz, 2006).
Data from: Crying wolf to a predator: deceptive vocal mimicry by a bird protecting young
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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.
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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.