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94 results for “acoustic signals”
Data for: Collective signalling is shaped by feedbacks between signaller variation, receiver perception, and acoustic environment in a simulated communication network
<p>Communication takes place within a network of multiple signallers and receivers. Social network analysis provides tools to quantify how an individual's social positioning affects group dynamics, and the subsequent biological consequences. However, network analysis is rarely applied to animal communication, likely due to the logistical difficulties of monitoring natural communication networks. We generated a simulated communication network to investigate how variation in individual communication behaviours generates network effects, and how this communication network's structure feeds back to affect future signalling interactions. We simulated competitive acoustic signalling interactions among chorusing individuals and varied several parameters related to communication and chorus size to examine their effects on calling output and social connections. Larger choruses had higher noise levels, and this reduced network density and altered the relationships between individual traits and communication network position. Hearing sensitivity interacted with chorus size to affect both individuals' positions in the network and the acoustic output of the chorus. Physical proximity to competitors influenced signalling, but a distinctive communication network structure emerged when signal active space was limited. Our model raises novel predictions about communication networks that could be tested experimentally, and identifies aspects of information processing in complex environments that remain to be investigated. </p>
Vibroscape analysis reveals acoustic niche overlap and plastic alteration of vibratory courtship signals in ground-dwelling wolf spiders
<p>Soundscape ecology has enabled researchers to investigate natural interactions among biotic and abiotic sounds as well as their influence on local animals. To expand the scope of soundscape ecology to encompass substrate-borne vibrations (i.e. vibroscapes), we developed methods for recording and analyzing sounds produced by ground-dwelling arthropods to characterize the vibroscape of a deciduous forest floor using inexpensive contact microphone arrays followed by automated sound filtering and detection in large audio datasets. Through the collected data, we tested the hypothesis that closely related species of <em>Schizocosa</em> wolf spider partition their acoustic niche. In contrast to previous studies on acoustic niche partitioning, two closely related species - <em>S. stridulans</em> and <em>S. uetzi</em> - showed high acoustic niche overlap across space, time, and/or signal structure. Finally, we examined whether substrate-borne noise, including anthropogenic noise (e.g., airplanes) and heterospecific signals, promotes behavioral plasticity in signaling behavior to reduce the risk of signal interference. We found that all three focal <em>Schizocosa</em> species increased the dominant frequency of their vibratory courtship signals in noisier signaling environments. Also, <em>S. stridulans</em> males displayed increased vibratory signal complexity with an increased abundance of <em>S. uetzi</em>, their sister species with which they are highly overlapped in the acoustic niche.</p>
Fig. 1. Residentmalependulinetitsreacttoplaybacksongandadummypendulinetit aroundtheirnest. Behaviouralresponsesincludedattacking, i.e in Acoustic Signalling In Eurasian Penduline Tits Remiz Pendulinus: Repertoire Size Signals Male Nest Defence
Fig. 1. Residentmalependulinetitsreacttoplaybacksongandadummypendulinetit aroundtheirnest. Behaviouralresponsesincludedattacking, i.e. peckingatthedummy, as
Fig. 2 in Acoustic Signalling In Eurasian Penduline Tits Remiz Pendulinus: Repertoire Size Signals Male Nest Defence
Fig. 2. SonogramsofsometypicalsyllabletypesofEurasianpendulinetits. Songbouts mayconsistofvarioussyllables (topandbottomsonograms) ormayincludemonotone
Fig. 3 in Acoustic Signalling In Eurasian Penduline Tits Remiz Pendulinus: Repertoire Size Signals Male Nest Defence
Fig. 3. Approachdistance (a) and % behaviouralresponses (b) towardsanintruderinre- lationtotheresidentmale'sownrepertoiresize. Behaviouralresponsesincludedcalling, singing, tailquiveringandattacking. Opencirclesindicateresponsesofchallengedresi- dentsonsmallrepertoireplayback, whereasfilledcirclesindicatethesamemales' respons- esonlargerepertoireplayback. Notethatpointsshownontheupperhalfregionof (a) represent males that were mostly present very close to their nest (15 m from the stimulus,
Fig. 2. A, male Nyctixalus margaritifer. B–C in A reference collection of the acoustic signals of male Nyctixalus margaritifer Boulenger, 1882 (Anura: Rhacophoridae)
Fig. 2. A, male Nyctixalus margaritifer. B–C, general structure of notes within a note group. B, one of the basic/fundamental note types. C, one of the longer notes.
Fig. 1 in A reference collection of the acoustic signals of male Nyctixalus margaritifer Boulenger, 1882 (Anura: Rhacophoridae)
Fig. 1. Various note groups emitted by males of Nyctixalus margaritifer. A–B, note groups consisting of seven to eight notes from males from Telaga Warna, West Java. C) Note group of 12 notes emitted from a male from Mt. Slamet, Central Java.
Figs 10–16 in A Characterisation Of The Pair Forming Acoustic Signals Of Isophya Harzi (Orthoptera, Tettigonioidea, Phaneropteridae)
Figs 10–16. Oscillograms of the male calling songs of three Isophya species producing acoustic signals with a similar basic structure: I. harzi (10, 13), I. beybienkoi (11, 14) and I. posthumoidalis (12, 15). And a two-traced oscillogram (16) of the male-female duet of I. harzi (ambient temperature 25.7 oC). Circumstances: 10, 13: Cozia Mountains, Romania, 26.1 oC; 11, 14: Slovak-karst, Slovakia, 27.6 oC; 12, 15: Maramures, Romania, 23.4 oC;
Figs 1–8 in A Characterisation Of The Pair Forming Acoustic Signals Of Isophya Harzi (Orthoptera, Tettigonioidea, Phaneropteridae)
Figs 1–8. Oscillograms showing the amplitude modulation pattern of the calling songs of three males of Isophya harzi (male1: 1, 4, 7, 8; male2: 2, 5; male3: 3, 6) at three different time resolution (1–3; 4–6; 7–8). All recordings were made indoor at an ambient temperature of 26.1 °C.
Fig. 9 in A Characterisation Of The Pair Forming Acoustic Signals Of Isophya Harzi (Orthoptera, Tettigonioidea, Phaneropteridae)
Fig. 9. Frequency spectrum of the male calling song of Isophya harzi (FFT size 2048, window-function Blackmann-Harris) based on a sound sample recorded using a Pettersson D240x ultrasound de-
Sex-specific speed-accuracy tradeoffs shape neural processing of acoustic signals in a grasshopper
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Vibroscape analysis reveals acoustic niche overlap and plastic alteration of vibratory courtship signals in ground-dwelling wolf spiders
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Data for: Collective signalling is shaped by feedbacks between signaller variation, receiver perception, and acoustic environment in a simulated communication network
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Spoiled for choice: Number of signalers constrains mate choice based on acoustic signals
<p>In many taxa, receivers use signals to detect and discriminate among mates. Signal detection and discrimination thus has important fitness consequences for individuals. Noise is defined as any factor that prevents detection or discrimination of signals. The noise produced by groups of signaling animals is a well-known impediment to signal detection and discrimination in animals, but how many signals produce the emergent, masking effects of noise? This dataset was generated to explore how receivers discriminate among signals in noisy, multi-choice environments. Subjects were female Australian field crickets, <em>Teleogryllus oceanicus. </em>We performed a series of phonotaxis (movement toward sound) assays in which we manipulated the number of long chirps in the signal. First, we assessed female preferences for the number of long chirp pulses and found that receivers preferred more long chirp pulses to fewer. Then we gave receivers a choice between a preferred, 7-pulse signal and either 1, 3, 5, or 7 presentations of the non-preferred, 2-pulse signal ("the multi-choice experiment"). We observed the probability that subjects left the release point, the probability that subjects responded to playback, and the probability of choosing the preferred stimulus. We also recorded the subject's latency to leave the release point and the latency to respond to playback. Because the angular separation between speakers decreased with increasing number of playback speakers in the multi-choice experiment, we then conducted an experiment ("the angular separation experiment") to determine whether observed effects were due to the spatial configuration of speakers or due to the emergent noise of multiple playback speakers. </p>
Neotropical birds respond innately to unfamiliar acoustic signals dataset
<p>Here we included the files for Sandoval and Wilson manuscript entitled "Neotropical birds respond innately to unfamiliar acoustic signals." which is publish in The American Naturalist. The name of each file is followed by a description of the file's contents in the file Read me. : </p> <p>SWanalysis.R - The R script used to produce all statistical analyses and figures presented in the manuscript. This file is dependent on the following files described below:</p> <p>SWtreeF2.nex</p> <p>SWnames.csv</p> <p>SWtreePGLM.nex</p> <p>SWdataPGLM.csv</p> <p>SWtrialData.csv</p> <p>SWsppData.csv</p> <p>SWcallF1.wav</p> <p>SWsongF1.wav</p>
Data for: Sensory biases in response to novel complex acoustic signals in male and female gray treefrogs, Hyla chrysoscelis
<p>The sensory bias hypothesis proposes that female preferences for male sexual signaling traits evolved in contexts other than mating. Individuals of both sexes may experience similar selection pressures in these contexts, thus males may have similar biases to females for variation in signal traits. We tested this prediction in the gray treefrog, <em>Hyla chrysoscelis</em>, in which males produce simple advertisement calls, but females are more attracted to certain novel complex stimuli. We recorded males' responses to playbacks of both simple advertisement calls and complex calls consisting of the advertisement call with an acoustic appendage (filtered noise, or heterospecific call pulses) either leading or following the call. We tested females' preferences for the same stimuli in phonotaxis tests. We found evidence for a sensory bias in both sexes: males gave more aggressive calls in response to complex stimuli and females sometimes preferred complex over simple calls. These biases were not universal and depended on both temporal order and appendage characteristics, but how these effects manifested differed between the sexes. Ultimately, our approach of studying biases of both sexes in response to novel mating signals will shed light on the origin of mating preferences, and the mechanisms by which sensory biases operate.</p>
Figs 1–3 in Note on acoustic signals of grasshopper males of the genera Epacromius and Platypygius (Orthoptera: Acrididae: Oedipodinae) from Russia and adjacent territories
Figs 1–3. Oscillograms of courtship signals of male grasshoppers of the tribe Epacromiini:
Figure 1 in Geographic variation in the acoustic signals of lesser treefrogs Dendropsophus minutus (Anura, Hylidae)
Figure 1. Spectrogram (above) and oscillogram (below) showing the acoustic characteristics of examples of the three note types of the vocal repertoire of Dendropsophus minutus. Recording identity: FNJV_13108 (Table S1). Recordist: Célio Haddad. Coordinates: −47.0697 (longitude), −22.8194 (latitude).
Figure 4 in Geographic variation in the acoustic signals of lesser treefrogs Dendropsophus minutus (Anura, Hylidae)
Figure 4. Variation in frequency bandwidth (PC2) and note duration (s) of Dendropsophus minutus calls as a function of mean annual temperature and annual precipitation. Mean trend lines and confidence intervals (95%) are shown. Each point represents the average acoustic parameter for each note type on each recording (i.e., individual). 2010; Morais et al., 2012; Llusia et al., 2013a; Annibale tics of anuran calls at short (Morais et al., 2012; Llusia et al., et al., 2020). 2013a) and possibly at longer time scales (this study). Call rate often increases with increasing air tempera- High-pitched sounds attenuate more quickly than lowture in anurans as a result of higher metabolic rate and pitched sounds, i.e., high-pitched sounds lose energy fastenergy expenditure (Wells, 2010). For example, in chaco er as they propagate away from the sound source (Brown treefrogs (Boana raniceps) (Cope, 1862), males produce & Riede, 2017). Additionally, high temperatures and low shorter calls, but in greater numbers, as the air tempera- humidity favor sound absorption (Snell-Rood, 2012), ture increases (Guimarães & Bastos, 2003). Given the which impairs sound propagation. We suggest that male recording′s limited duration, we could not measure call lesser treefrogs modulate call bandwidth to optimize sigrates. Yet, we speculate that in warmer temperatures, nal propagation depending on the air temperature. lesser treefrogs produce shorter notes at a higher rate, The call notes of D. minutus were shorter in sites optimizing call transmission while conserving energy with accumulated annual rainfall greater than 2000mm (Lingnau & Bastos, 2007). (Fig. 4D). We already expected that these acoustic signals Here, in addition to note duration, note bandwidth would vary with precipitation since relative humidity (represented by PC2, Table 1), but not note pitch (PC1), modulates the reproduction of many amphibian species decreased with increasing temperature (Fig. 4A). As (Aichinger, 1987; Llusia et al., 2013b). Rain noise can mask shown above, air temperature strongly affects the acous- anuran calls, reduce their acoustic activity (Ospina et al.,
Figure 2 in Geographic variation in the acoustic signals of lesser treefrogs Dendropsophus minutus (Anura, Hylidae)
Figure 2. Geographical scope of the sound recordings samples (n = 87) of the species Dendropsophus minutus in South America. Polygon (beige) represents the entire distribution, according to the spatial data made available by the International Union for Conservation of Nature (IUCN). Dots (yellow) represent the locations where the recordings were made. It is noteworthy that some recordings were made at the same geographical point, but with different individuals.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.