scholarly journals Vocal convergence in a multi-level primate society: insights into the evolution of vocal learning

2020 ◽  
Vol 287 (1941) ◽  
pp. 20202531
Author(s):  
Julia Fischer ◽  
Franziska Wegdell ◽  
Franziska Trede ◽  
Federica Dal Pesco ◽  
Kurt Hammerschmidt
Keyword(s):  
Social Interactions ◽  
Genetic Relatedness ◽  
Vocal Learning ◽  
Acoustic Similarity ◽  
Speech Acquisition ◽  
Human Speech ◽  
Vocal Behaviour ◽  
Vocal Convergence ◽  
Multi Level ◽  
Papio Papio

The extent to which nonhuman primate vocalizations are amenable to modification through experience is relevant for understanding the substrate from which human speech evolved. We examined the vocal behaviour of Guinea baboons, Papio papio , ranging in the Niokolo Koba National Park in Senegal. Guinea baboons live in a multi-level society, with units nested within parties nested within gangs. We investigated whether the acoustic structure of grunts of 27 male baboons of two gangs varied with party/gang membership and genetic relatedness. Males in this species are philopatric, resulting in increased male relatedness within gangs and parties. Grunts of males that were members of the same social levels were more similar than those of males in different social levels ( N = 351 dyads for comparison within and between gangs, and N = 169 dyads within and between parties), but the effect sizes were small. Yet, acoustic similarity did not correlate with genetic relatedness, suggesting that higher amounts of social interactions rather than genetic relatedness promote the observed vocal convergence. We consider this convergence a result of sensory–motor integration and suggest this to be an implicit form of vocal learning shared with humans, in contrast to the goal-directed and intentional explicit form of vocal learning unique to human speech acquisition.

scholarly journals Vocal convergence in a multi-level primate society: insights into the evolution of vocal learning

2020 ◽  
Author(s):  
Julia Fischer ◽  
Franziska Wegdell ◽  
Franziska Trede ◽  
Federica Dal Pesco ◽  
Kurt Hammerschmidt
Keyword(s):  
Social Interactions ◽  
Genetic Relatedness ◽  
Vocal Learning ◽  
Acoustic Similarity ◽  
Speech Acquisition ◽  
Human Speech ◽  
Vocal Behaviour ◽  
Vocal Convergence ◽  
Multi Level ◽  
Papio Papio

ABSTRACTThe extent to which nonhuman primate vocalizations are amenable to modification through experience is relevant for understanding the substrate from which human speech evolved. We examined the vocal behaviour of Guinea baboons, Papio papio, ranging in the Niokolo Koba National Park in Senegal. Guinea baboons live in a multi-level society, with units nested within parties nested within gangs. We investigated whether the acoustic structure of grunts of 27 male baboons of two gangs varied with party/gang membership and genetic relatedness. Males in this species are philopatric, resulting in increased male relatedness within gangs and parties. Grunts from members were more similar within than across social levels (N = 351 dyads for comparison within and between gangs, and N = 169 dyads within and between parties), but the effect sizes were small. Yet, acoustic similarity did not correlate with genetic relatedness, suggesting that higher amounts of social interactions rather than genetic relatedness promote the observed vocal convergence. We consider this convergence a result of sensory-motor integration and suggest this to be an implicit form of vocal learning shared with humans, in contrast to the goal-directed and intentional explicit form of vocal learning unique to human speech acquisition.

Vocal learning in Savannah sparrows: acoustic similarity to neighbours shapes song development and territorial aggression

2021 ◽  
Vol 176 ◽  
pp. 77-86
Author(s):  
Ian P. Thomas ◽  
Stéphanie M. Doucet ◽  
D. Ryan Norris ◽  
Amy E.M. Newman ◽  
Heather Williams ◽  
...  
Keyword(s):  
Vocal Learning ◽  
Acoustic Similarity ◽  
Territorial Aggression ◽  
Song Development ◽  
Savannah Sparrows

scholarly journals Class Representatives and Students’ Behaviour: An Overview at the Post-Covid-19 Pandemic in the Perspective of the Community of Practice

2021 ◽  
Vol 4 (4) ◽  
pp. 137-143
Author(s):  
Ilane Frank Dias ◽  
Christane Bellucci
Keyword(s):  
Social Interactions ◽  
Community Of Practice ◽  
Learning Process ◽  
Online Classes ◽  
Virtual Classes ◽  
Relevant Role ◽  
Conceptual Paper ◽  
Multi Level ◽  
The Impact

Engagement of students and the learning process in the classroom has become one of the significant challenges that higher education (HE) institutions face in the era of the Covid-19 pandemic, with classes running in the virtual environment. One of the approaches that can be used to understand student behaviours and their social interactions is the community of practice (CoPs) as a construct that can be strategic to connect classes representatives, college's objectives and the student's behaviour. The class representatives can play a diverse role, from helping the tutors motivate the students on their learning process to acting as a central and essential communication channel between the students and the academic coordinators. Yet, little is known about the role of these students as a strategy to tackle such problems increased with online classes. This study investigates the impact of class representatives on students' behaviour in the sense of their engagement and learning in virtual classes context post the Covid-19 pandemic. This is a conceptual paper to bridge the mentioned theories, link work across disciplines, provide multi-level insights, and broaden the scope of thinking. The theoretical findings show that class representatives can play a relevant role by increasing engagement and facilitating the students' learning. The results can help HE institutions to develop policies and practices to be more competitive and move forward. This study advances the emergent research efforts to respond to the challenges arising from the Covid-19 pandemic.

scholarly journals Polymorphic Microsatellite Loci in the Independent-founding Wasp Polists versicolor (Hymenoptera: Vespidae)

Sociobiology ◽  
2016 ◽  
Vol 63 (2) ◽  
pp. 845
Author(s):  
Yumi Takahashi ◽  
Ayano Yamada ◽  
Sidnei Mateus ◽  
Ronaldo Zucchi ◽  
Fabio Nascimento ◽  
...  
Keyword(s):  
Social Interactions ◽  
Microsatellite Loci ◽  
Genetic Relatedness ◽  
Conflicts Of Interest ◽  
Microsatellite Primers ◽  
Expected Heterozygosity ◽  
Polistes Wasps ◽  
Polymorphic Microsatellite ◽  
Genetic Conflicts ◽  
Data Banks

Microsatellite primers developed for a given species are sometimes useful for another in the same genus, making possible to search for pre-existing suitable primers in the data banks such as GenBank. We examined whether existing primers developed for Polistes wasps could be used for the independent-founding wasp Polistes versicolor. We tested 50 microsatellite primers from three Polistes species and found that five microsatellite loci show polymorphism in size in P. versicolor. These five loci were highly polymorphic, having four to 10 alleles in P. versicolor with an expected heterozygosity of 0.530–0.836. These loci can be used to study parameters concerning genetic relatedness such as social interactions in colonies and genetic conflicts of interest among nestmate individuals.

Individual signatures outweigh social group identity in contact calls of a communally nesting parrot

2019 ◽  
Vol 31 (2) ◽  
pp. 448-458 ◽  
Author(s):  
Grace Smith-Vidaurre ◽  
Marcelo Araya-Salas ◽  
Timothy F Wright
Keyword(s):  
Social Dynamics ◽  
Group Membership ◽  
Individual Recognition ◽  
Geographic Distance ◽  
Vocal Learning ◽  
Acoustic Similarity ◽  
Clinal Variation ◽  
Contact Call ◽  
Significant Similarity ◽  
Myiopsitta Monachus

Abstract Despite longstanding interest in the evolutionary origins and maintenance of vocal learning, we know relatively little about how social dynamics influence vocal learning processes in natural populations. The “signaling group membership” hypothesis proposes that socially learned calls evolved and are maintained as signals of group membership. However, in fission–fusion societies, individuals can interact in social groups across various social scales. For learned calls to signal group membership over multiple social scales, they must contain information about group membership over each of these scales, a concept termed “hierarchical mapping.” Monk parakeets (Myiopsitta monachus), small parrots native to South America, exhibit vocal mimicry in captivity and fission–fusion social dynamics in the wild. We examined patterns of contact call acoustic similarity in Uruguay to test the hierarchical mapping assumption of the signaling group membership hypothesis. We also asked whether geographic variation patterns matched regional dialects or geographic clines that have been documented in other vocal learning species. We used visual inspection, spectrographic cross-correlation and random forests, a machine learning approach, to evaluate contact call similarity. We compared acoustic similarity across social scales and geographic distance using Mantel tests and spatial autocorrelation. We found high similarity within individuals, and low, albeit significant, similarity within groups at the pair, flock and site social scales. Patterns of acoustic similarity over geographic distance did not match mosaic or graded patterns expected in dialectal or clinal variation. Our findings suggest that monk parakeet social interactions rely more heavily upon individual recognition than group membership at higher social scales.

scholarly journals Individual variations lead to universal and cross-species patterns of social behavior

2020 ◽  
Vol 117 (50) ◽  
pp. 31754-31759
Author(s):  
Sang Hyun Choi ◽  
Vikyath D. Rao ◽  
Tim Gernat ◽  
Adam R. Hamilton ◽  
Gene E. Robinson ◽  
...  
Keyword(s):  
Social Interactions ◽  
Time Distribution ◽  
Genetic Relatedness ◽  
Individual Variability ◽  
Human Face ◽  
Face To Face ◽  
Individual Variations ◽  
Patterns Of Behavior ◽  
Heavy Tailed ◽  
The Individual

The duration of interaction events in a society is a fundamental measure of its collective nature and potentially reflects variability in individual behavior. Here we performed a high-throughput measurement of trophallaxis and face-to-face event durations experienced by a colony of honeybees over their entire lifetimes. The interaction time distribution is heavy-tailed, as previously reported for human face-to-face interactions. We developed a theory of pair interactions that takes into account individual variability and predicts the scaling behavior for both bee and extant human datasets. The individual variability of worker honeybees was nonzero but less than that of humans, possibly reflecting their greater genetic relatedness. Our work shows how individual differences can lead to universal patterns of behavior that transcend species and specific mechanisms for social interactions.

La (re)construction des identités religieuses / spirituelles anglicanes

2016 ◽  
Vol 45 (1) ◽  
pp. 43-62
Author(s):  
Riva Lieflander
Keyword(s):  
Social Interactions ◽  
Identity Construction ◽  
Religious Pluralism ◽  
Social Reality ◽  
Spiritual Identity ◽  
Power Sources ◽  
Holy Trinity ◽  
Multi Level ◽  
Sociological Approaches

Ongoing developments in the Anglican Communion, most notably the unfolding controversy over “homosexuality,” serve as an excellent case study for the application of Peter L. Berger’s and Pierre Bourdieu’s distinctive sociological approaches to the study of religious/spiritual identity construction/reconstruction. As this case study demonstrates, Berger’s dialectically ordered “holy trinity” of externalization, objectivization, and internalization focuses primarily on social interactions, but largely ignores both power inequalities between individuals as well as the multi-layered context of social reality production/coproduction. Bourdieu’s dialectically ordered “holy trinity” of habitus, field, and capital also examines the process of social reality production/coproduction. By contrast, however, it does address sources of (unequally distributed) power between individuals and groups, and is adaptable to a more highly complexified multi-level social interactional scenario, but it tends to “crystallize” power, thereby obfuscating its socially mediated conditionality. A fuller analysis of religious pluralism requires a dialectically ordered theoretical approach which encompasses both dynamic social interactions, as well as the formation (and dissolution) of power sources within these interactions.

scholarly journals Vocal modulation in human mating and competition

2021 ◽  
Vol 376 (1840) ◽  
Author(s):  
Susan M. Hughes ◽  
David A. Puts
Keyword(s):  
Social Interactions ◽  
Social Impact ◽  
Social Contexts ◽  
Future Studies ◽  
Human Voice ◽  
Vocal Behaviour ◽  
Courtship Success ◽  
Human Mating ◽  
Voice Modulation ◽  
Romantic Interest

The human voice is dynamic, and people modulate their voices across different social interactions. This article presents a review of the literature examining natural vocal modulation in social contexts relevant to human mating and intrasexual competition. Altering acoustic parameters during speech, particularly pitch, in response to mating and competitive contexts can influence social perception and indicate certain qualities of the speaker. For instance, a lowered voice pitch is often used to exert dominance, display status and compete with rivals. Changes in voice can also serve as a salient medium for signalling a person's attraction to another, and there is evidence to support the notion that attraction and/or romantic interest can be distinguished through vocal tones alone. Individuals can purposely change their vocal behaviour in attempt to sound more attractive and to facilitate courtship success. Several findings also point to the effectiveness of vocal change as a mechanism for communicating relationship status. As future studies continue to explore vocal modulation in the arena of human mating, we will gain a better understanding of how and why vocal modulation varies across social contexts and its impact on receiver psychology. This article is part of the theme issue ‘Voice modulation: from origin and mechanism to social impact (Part I)’.

scholarly journals Socioeconomic status and social relationships in persons with spinal cord injury from 22 countries: Does the countries’ socioeconomic development moderate associations?

PLoS ONE ◽  
2021 ◽  
Vol 16 (8) ◽  
pp. e0255448
Author(s):  
Christine Fekete ◽  
Jan D. Reinhardt ◽  
Mohit Arora ◽  
Julia Patrick Engkasan ◽  
Mirja Gross-Hemmi ◽  
...  
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Relationship Satisfaction ◽  
Social Interactions ◽  
Social Relationships ◽  
Socioeconomic Development ◽  
Interaction Terms ◽  
Cord Injury ◽  
Multi Level ◽  
Main Effects

Background Social relationships are powerful determinants of health and inequalities in social relationships across socioeconomic status (SES) groups may contribute to social inequalities in health. This study investigates inequalities in social relationships in an international sample of persons with spinal cord injury and explores whether social gradients in relationships are moderated by the countries’ socioeconomic development (SED). Methods Data from 12,330 participants of the International SCI Community Survey (InSCI) performed in 22 countries were used. We regressed social relationships (belongingness, relationship satisfaction, social interactions) on individual SES (education, income, employment, financial hardship, subjective status) and countries’ SED (Human Development Index) using multi-level models (main effects). To test potential moderation of the SED, interaction terms between individual SES and countries’ SED were entered into multi-level models. Results Paid work, absence of financial hardship and higher subjective status were related to higher belongingness (OR, 95% CI: 1.50, 1.34–1.67; 1.76, 1.53–2.03; 1.16, 1.12–1.19, respectively), higher relationship satisfaction (OR, 95% CI: 1.28, 1.15–1.42; 1.97, 1.72–2.27; 1.20, 1.17–1.24, respectively) and fewer problems with social interactions (Coeff, 95% CI: 0.96, 0.82–1.10; 1.93, 1.74–2.12; 0.26, 0.22–0.29, respectively), whereas associations with education and income were less consistent. Main effects for countries’ SED showed that persons from lower SED countries reported somewhat higher relationship satisfaction (OR, 95% CI: 0.97, 0.94–0.99) and less problems with social interactions (Coeff, 95% CI: -0.04, -0.09- -0.003). Results from moderation analysis revealed that having paid work was more important for relationships in lower SED countries, while education and subjective status were more important for relationships in higher SED countries (interaction terms p<0.05). Conclusion Social relationships in persons with spinal cord injury are patterned according to individual SES and the countries’ SED and larger socioeconomic structures partly moderate associations between individual SES and social relationships.

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