scholarly journals Do human screams permit individual recognition?

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e7087 ◽  
Author(s):  
Jonathan W. M. Engelberg ◽  
Jay W. Schwartz ◽  
Harold Gouzoules
Keyword(s):  
Social Behavior ◽  
Discrimination Task ◽  
Nonhuman Primates ◽  
Response Times ◽  
Individual Recognition ◽  
Primate Species ◽  
The Social ◽  
Abundant Evidence ◽  
Adaptive Ability ◽  
Evolutionary Continuity

The recognition of individuals through vocalizations is a highly adaptive ability in the social behavior of many species, including humans. However, the extent to which nonlinguistic vocalizations such as screams permit individual recognition in humans remains unclear. Using a same-different vocalizer discrimination task, we investigated participants’ ability to correctly identify whether pairs of screams were produced by the same person or two different people, a critical prerequisite to individual recognition. Despite prior theory-based contentions that screams are not acoustically well-suited to conveying identity cues, listeners discriminated individuals at above-chance levels by their screams, including both acoustically modified and unmodified exemplars. We found that vocalizer gender explained some variation in participants’ discrimination abilities and response times, but participant attributes (gender, experience, empathy) did not. Our findings are consistent with abundant evidence from nonhuman primates, suggesting that both human and nonhuman screams convey cues to caller identity, thus supporting the thesis of evolutionary continuity in at least some aspects of scream function across primate species.

scholarly journals Dopamine pathway is highly diverged in primate species that differ markedly in social behavior

2016 ◽  
Vol 113 (22) ◽  
pp. 6178-6181 ◽  
Author(s):  
Christina M. Bergey ◽  
Jane E. Phillips-Conroy ◽  
Todd R. Disotell ◽  
Clifford J. Jolly
Keyword(s):  
Social Behavior ◽  
Complex Traits ◽  
Social Systems ◽  
Social Behaviors ◽  
System Structure ◽  
Primate Species ◽  
The Social ◽  
Mating Opportunities ◽  
Species Specific ◽  
Genomic Regions

In the endeavor to associate genetic variation with complex traits, closely related taxa are particularly fruitful for understanding the neurophysiological and genetic underpinnings of species-specific attributes. Similarity to humans has motivated research into nonhuman primate models, yet few studies of wild primates have investigated immediate causal factors of evolutionarily diverged social behaviors. Neurotransmitter differences have been invoked to explain the distinct behavioral suites of two baboon species in Awash, Ethiopia, which differ markedly in social behavior despite evolutionary propinquity. With this natural experiment, we test the hypothesis that genomic regions associated with monoamine neurotransmitters would be highly differentiated, and we identify a dopamine pathway as an outlier, highlighting the system as a potential cause of species-specific social behaviors. Dopamine levels and resultant variation in impulsivity were likely under differential selection in the species due to social system structure differences, with either brash or circumspect social behavior advantageous to secure mating opportunities depending on the social backdrop. Such comparative studies into the causes of the behavioral agendas that create and interact with social systems are of particular interest, and differences in temperament related to boldness and associated with dopamine variation likely played important roles in the evolution of all social, behaviorally complex animals, including baboons and humans.

A stranger in the family? On the social behavior of a leucistic collared peccary (Pecari tajacu) with pigmented conspecifics

2019 ◽  
Vol 60 (2) ◽  
pp. 303-305
Author(s):  
Valdir Leite da Silva ◽  
José Cândido ◽  
José Nelson Campanha ◽  
Doraci R. de Oliveira ◽  
Carla Gheler-Costa ◽  
...  
Keyword(s):  
Social Behavior ◽  
The Social ◽  
The Family ◽  
Pecari Tajacu ◽  
Collared Peccary

scholarly journals Pharmacological modulation of AMPA receptors rescues specific impairments in social behavior associated with the A350V Iqsec2 mutation

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Renad Jabarin ◽  
Nina Levy ◽  
Yasmin Abergel ◽  
Joshua H. Berman ◽  
Amir Zag ◽  
...  
Keyword(s):  
Social Behavior ◽  
Ampa Receptors ◽  
Emotional State ◽  
Social Discrimination ◽  
Glutamatergic Synapses ◽  
Behavioral Deficits ◽  
Pharmacological Modulation ◽  
The Social ◽  
State Preference ◽  
Molecular Pathophysiology

AbstractIn this study we tested the hypothesis that pharmacological modulation of glutamatergic neurotransmission could rescue behavioral deficits exhibited by mice carrying a specific mutation in the Iqsec2 gene. The IQSEC2 protein plays a key role in glutamatergic synapses and mutations in the IQSEC2 gene are a frequent cause of neurodevelopmental disorders. We have recently reported on the molecular pathophysiology of one such mutation A350V and demonstrated that this mutation downregulates AMPA type glutamatergic receptors (AMPAR) in A350V mice. Here we sought to identify behavioral deficits in A350V mice and hypothesized that we could rescue these deficits by PF-4778574, a positive AMPAR modulator. Using a battery of social behavioral tasks, we found that A350V Iqsec2 mice exhibit specific deficits in sex preference and emotional state preference behaviors as well as in vocalizations when encountering a female mouse. The social discrimination deficits, but not the impaired vocalization, were rescued with a single dose of PF-4778574. We conclude that social behavior deficits associated with the A350V Iqsec2 mutation may be rescued by enhancing AMPAR mediated synaptic transmission.

Field Dependence and Self-Disclosure

1973 ◽  
Vol 36 (3) ◽  
pp. 735-738 ◽  
Author(s):  
Joaquin F. Sousa-Poza ◽  
Robert Rohrberg ◽  
Ernest Shulman
Keyword(s):  
Social Behavior ◽  
Field Dependence ◽  
The Self ◽  
Social Stimuli ◽  
Self Disclosure ◽  
Field Independent ◽  
The Social ◽  
Field Dependent ◽  
Personality Theories

Some characteristics of the social behavior of field-dependents as well as their superior recognition of ambiguous social stimuli led to the hypothesis that they would show greater self-disclosure than field-independents. This hypothesis was tested by administering the 60-item Jourard Self-disclosure Questionnaire (JSDQ) to 13 field-dependent and 13 field-independent Ss. In terms of total self-disclosure scores, field-dependents showed significantly (.025) higher levels than field-independents. Results are discussed in light of personality theories which emphasize the role of self-conceptual transactions in the development of the self.

The Social Behavior of Prairie Dogs

1959 ◽  
Vol 201 (4) ◽  
pp. 128-140 ◽  
Author(s):  
John A. King
Keyword(s):  
Social Behavior ◽  
Prairie Dogs ◽  
The Social
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