The sexual selection of creativity: A nomological approach

Novaes, Felipe Carvalho; Natividade, Jean Carlos

doi:10.3389/fpsyg.2022.874261

Cited by 5 publications

(2 citation statements)

References 295 publications

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“…According to the first interpretation, whenever people appear to make overly large investments in technological exploration, there should exist selfish or genetic returns that are worth the cost. Such returns may come in a variety of forms in the short or long term: monetary or material returns from selling or trading innovative products, an increased survival for one's own group in competition with other groups, prestige or a positive reputation in society [38,39], sexual appeals to potential reproductive mates [40][41][42][43] or indirect benefits through the success of genetically related individuals (e.g. offspring or younger siblings; [24,44]).…”

Section: Implications Of the Negative Resultsmentioning

confidence: 99%

“…food or mating opportunities) for experts' valuable knowledge or its products [39]. The benefit through increased sexual appeal [40][41][42][43] can be even more challenging to model because it involves sexual selection; that is, we need to work on an explicit two-sex model in which time-allocation strategies and cumulative technology evolve on one sex and mate choice preference on the other, although it is also possible that technology is transmitted bilaterally and both sexes evaluate the competency of each other.…”

Section: Implications For Evolutionary Dynamicsmentioning

confidence: 99%

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Exploring new technologies for the future generation: exploration–exploitation trade-off in an intergenerational framework

Nakawake,

Kobayashi

2024

R. Soc. Open Sci.

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Decision making on exploring or exploiting technology was studied by means of a laboratory experiment with a two-generation framework. In this framework, the design of a virtual tool is transmitted from the first to second generation, and hence, the former can help the latter by frequently exploring better tool designs but at the cost of reduced opportunities to exploit the existing tool to increase its own benefits. We set two experimental conditions (‘repaid’ and ‘unrepaid’) as well as a control condition (asocial), in which the second generation is absent. In the ‘repaid’ experimental condition, participants received an extra payment proportional to the score gained by the second generation, such that they were monetarily incentivized to help the second generation. Such an incentive was not given in the ‘unrepaid’ condition. An analysis of a formal model and computer simulations predicted that rational participants should increase investment in exploration only in the repaid condition when compared with the asocial control. The prediction was confirmed by the results of the experiment. These findings together suggest that humans may not have a propensity to invest in costly exploration of new technologies solely to help future generations.

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Section: Implications Of the Negative Resultsmentioning

confidence: 99%

Section: Implications For Evolutionary Dynamicsmentioning

confidence: 99%

Exploring new technologies for the future generation: exploration–exploitation trade-off in an intergenerational framework

Nakawake,

Kobayashi

2024

R. Soc. Open Sci.

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Sex differences in music perception are negligible

Bertolo

Müllensiefen

Peretz

et al. 2023

Preprint

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Since Darwin (1871), researchers have proposed that musicality evolved in a reproductive context in which males produce music to signal their mate quality. The extent to which evidence supports this contention, however, remains unclear. Related traits in many non-human animals are sexually differentiated, and while some sex differences in human auditory perception have been documented, the pattern of results is murky. Here, we study melodic discrimination, mistuning perception, and beat alignment perception in 360,009 men and 194,291 women from 208 countries. We find that, in contrast to other non-music human traits, and in contrast to non-human traits, there was no overall advantage for either sex, and the observed sex differences were minuscule (Cohen`s d: 0.009 - 0.11) and of inconsistent direction. These results do not provide compelling support for human music perception being a sexually dimorphic trait, and therefore it is unlikely to have been shaped by sexual selection.

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Speech and sexual dimorphism: the history of the issue in the light of modern theories of the origin of speech and experimental data

Semenova,

Adam

2023

Человек И Культура

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In this theoretical article, the authors turn to the analysis of studies explaining the origin and revealing the functions and meaning of human oral speech within the framework of an evolutionary approach. First of all, the authors are interested in the influence of sexual selection on the development of verbal skills in different age and gender groups. In this regard, the data of the history of the human life cycle are of particular interest, which indicate that the mastery of language as a tool for influencing and manipulating the opinions of others approaches an advanced level of proficiency only at the time of puberty, and speech, thus, begins to play an important role in intersex competition. Rapidly developing with the onset of puberty, the ability to performative vivid performances, to defend their position, as well as to conduct debates in public, apparently, can be guided by the forces of sexual selection, and therefore, they should manifest themselves more clearly in men than in women. It is assumed that verbal mastery can serve as a means of actively attracting attention for the purpose of self-promotion and improving the social status of the speaker. The methodological basis of our work was largely the analysis of ethnographic sources. In the article, the authors cite extensive ethnographic material confirming the connection of high social status with oratorical abilities. The authors also turn to the latest research that analyzes the differences in performative speech between men and women. Experimental work shows that in a conversation with an attractive woman, men tend to be more creative in choosing words and expressions. Some researches consider the connection of various aspects of speech with the attractiveness of the speaker, his masculinity and adaptability. Of great interest are studies studying the relationship between musical abilities and attractiveness, as well as works analyzing the articulatory features of oral speech and their connection with belonging to a certain social environment or social class. All the features of speech given in the review could most likely have been formed by the pressure of the forces of sexual selection. In this regard, the study of sexual dimorphism seems to be one of the most important directions in the research of performative speech.

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The sexual selection of creativity: A nomological approach

Cited by 5 publications

References 295 publications

Exploring new technologies for the future generation: exploration–exploitation trade-off in an intergenerational framework

Exploring new technologies for the future generation: exploration–exploitation trade-off in an intergenerational framework

Sex differences in music perception are negligible

Speech and sexual dimorphism: the history of the issue in the light of modern theories of the origin of speech and experimental data

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