Symbolic systems (SSs) are uniquely products of living systems, such that symbolism and life may be inextricably intertwined phenomena. Within a given SS, there is a range of symbol complexity over which signaling is functionally optimized. This range exists relative to a complex and potentially infinitely large background of latent, unused symbol space. Understanding how symbol sets sample this latent space is relevant to diverse fields including biochemistry and linguistics. We quantitatively explored the graphic complexity of two biosemiotic systems: genetically encoded amino acids (GEAAs) and written language. Molecular and graphical notions of complexity are highly correlated for GEAAs and written language. Symbol sets are generally neither minimally nor maximally complex relative to their latent spaces, but exist across an objectively definable distribution, with the GEAAs having especially low complexity. The selection pressures guiding these disparate systems are explicable by symbol production and disambiguation efficiency. These selection pressures may be universal, offer a quantifiable metric for comparison, and suggest that all life in the Universe may discover optimal symbol set complexity distributions with respect to their latent spaces. If so, the \"complexity\" of individual components of SSs may not be as strong a biomarker as symbol set complexity distribution.

This experimental study investigated whether infants use iconicity in speech and gesture cues to interpret word meanings. Specifically, we tested infants\' sensitivity to size sound symbolism and iconic gesture cues and asked whether combining these cues in a multimodal fashion would enhance infants\' sensitivity in a superadditive manner. Thirty-six 14-17-month-old infants participated in a preferential looking task in which they heard a spoken nonword (e.g., \"zudzud\") while observing a small and large object (e.g., a small and large square). All infants were presented with an iconic cue for object size (small or large) (1) in the pitch of the spoken non-word (high vs low), (2) in gesture (small or large), or (3) congruently in pitch and gesture (e.g., a high pitch and small gesture indicating a small square). Infants did not show a preference for congruently sized objects in any iconic cue condition. Bayes factor analyses showed moderate to strong support for the null hypotheses. In conclusion, 14-17-month-old infants did not use iconic pitch cues, iconic gesture cues, or iconic multimodal cues (pitch and gesture) to associate speech sounds with their referents. These findings challenge theories that emphasize the role of iconicity in early language development.

Low detectability and camouflage skills in the electromagnetic wave and light frequency range provide survival advantages for natural creatures and are essential for understanding the operational principles of the biosphere. Taking inspiration from natural mutualistic symbiosis, this paper proposes a symbiotic electromagnetic shadow camouflage mechanism based on a superdispersive surface, aiming to investigate its impact on the observability of specific objects. The design and experimental results indicate that the symbiotic shadow dihedral can significantly reduce overall scattering quantity, which reaches at least 10 dB shrink in the 12-18 GHz frequency range compared to the contrast object. Unlike known camouflage methods, the electromagnetic shadow technology shrinks the overall scattering without any coating and shield metal target while probably offering extensive functional design freedom for the concealed object, creature, or equipment. This also provides a hint to explore symbiosis-related camouflage phenomena in nature.

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The aim of the study is to analyse contemporary postmodern literary works of Kazakhstan through the conceptual prism of Freudian and Jungian psychoanalysis. To achieve research goals, the following methods were used: axiomatic, content analysis, and comparative. The results of the study determined that contemporary Kazakh writers characterise a large field of motives and ideas that are revealed through text, symbols, and characters. Strong tools for their interpretation were the psychological approaches of Freud and Jung, which are the standards of psychoanalysis and have their own specific features of semantic content. Content analysis of postmodern materials has established that Kazakh stories trace the motives of mythology, religion, relationships and inner spiritual development, which consider the mental differences of the heroes of the storylines. During the psychoanalysis of the works, it was emphasised that postmodernism in the literature of Kazakhstan reflects the rejection of absolute truths, blurring the boundaries between genres, playing with traditional forms and content. Many of the characters in the stories are experiencing an identity crisis, which has been analysed through the Freudian triad and Jung\'s archetypal images. Kazakh literature, being woven into the cultural and historical heritage of the nation, reflects the features of mentality, socio-cultural transformations, identity and spiritual quest of heroes.

One speech sound can be associated with multiple meanings through iconicity, indexicality, and/or systematicity. It was not until recently that this \"pluripotentiality\" of sound symbolism attracted serious attention, and it remains uninvestigated how pluripotentiality may arise. In the current study, Japanese, Korean, Mandarin, and English speakers rated unfamiliar jewel names on three semantic scales: size, brightness, and hardness. The results showed language-specific and cross-linguistically shared pluripotential sound symbolism. Japanese speakers associated voiced stops with large and dark jewels, whereas Mandarin speakers associated [i] with small and bright jewels. Japanese, Mandarin, and English speakers also associated lip rounding with darkness and softness. These sound-symbolic meanings are unlikely to be obtained through metaphorical or metonymical extension, nor are they reported to colexify. Notably, in a purely semantic network without the mediation of lip rounding, softness can instead be associated with brightness, as illustrated by synesthetic metaphors such as yawaraka-na hizashi /jawaɾakanaçizaɕi/ \"a gentle (lit. soft) sunshine\" in Japanese. These findings suggest that the semantic networks of sound symbolism may not coincide with those of metaphor or metonymy. The current study summarizes the findings in the form of (phono)semantic maps to facilitate cross-linguistic comparisons of pluripotential sound symbolism.

The alchemical concepts of chemical symbolism, nomenclature, and affinity underwent fundamental changes between the 1770s and the 1820s, roughly simultaneously with the Chemical Revolution (ca. 1772-89), i. e. the replacement of the phlogiston theory with Lavoisier\'s New Chemistry. Using the old, alchemical symbols, Bergman devised a system of formulas to describe virtually all known inorganic chemistry, and he influenced Guiton de Morveau\'s Mémoire sur les Dénominations Chimiques, and the subsequent Méthode de nomenclature. Hassenfratz and Adet devised a new artificial sign language which, however, was too complicated and unintuitive to gain widespread acceptance. Bergman refined the concept of affinity, but his belief in phlogiston rapidly made the system obsolete. Wenzel realized that the dissolution of metals in acids is not just a question of affinity but rather of concentration, and he and Berthollet separately formulated early versions of the Law of Mass Action thereby making attempts to quantify affinity redundant. Richter formulated a principle that became known as the Law of Equivalent Proportions, describing acid-base reactions and double decompositions of salts, but continuing to use Bergman-style alchemical formulas. Only John Dalton\'s atomic theory with little globules denoting atoms and their combination into molecules made a definite break with the alchemical symbols.

BACKGROUND: Suicide is a leading cause of death, making suicide prevention a major public health priority. Increasing understanding of factors influencing suicidal behavior is paramount. Previous research has implicated psychological closeness, characterized by perceptions of how close/distant or attached/detached one feels to a particular object, as a cognitive factor that influences suicidal behavior. However, a better understanding of how psychological closeness to suicide methods is conceptualized by relevant populations is needed to improve its assessment and understand how it may confer risk for suicide.
METHODS: The goal was to refine the conceptualization of psychological closeness to suicide methods by incorporating feedback from relevant populations. We conducted 30 interviews with those primarily identifying as having lived experience of suicide (n = 10), clinicians who work with suicidal patients (n = 11), and suicide researchers (n = 9). A rigorous thematic approach using NVivo software was used to uncover common themes.
RESULTS: Primary themes included familiarity, comfort, and attachment, with one emerging theme of symbolism. We define these themes, provide context to their meaning, and share exemplary quotes across diverse participants.
CONCLUSIONS: We consider clinical, research, and policy implications from an interdisciplinary lens and discuss the strengths and limitations of this study.

It has been shown that reading the vowel [i] and consonant [t] facilitates precision grip responses, while [ɑ] and [k] are associated with faster power grip responses. A similar effect has been observed when participants perform responses with small or large response keys. The present study investigated whether the vowels and consonants could produce different effects with the grip responses and keypresses when the speech units are read aloud (Experiment 1) or silently (Experiment 2). As a second objective, the study investigated whether the recently observed effect, in which the upper position of a visual stimulus is associated with faster vocalizations of the high vowel and the lower position is associated with the low vowel, can be observed in manual responses linking, for example, the [i] with responses of the upper key and [ɑ] with lower responses. Firstly, the study showed that when the consonants are overtly articulated, the interaction effect can be observed only with the grip responses, while the vowel production was shown to systematically influence small/large keypresses, as well as precision/power grip responses. Secondly, the vowel [i] and consonant [t] were associated with the upper responses, while [ɑ] and [k] were associated with the lower responses, particularly in the overt articulation task. The paper delves into the potential sound-symbolic implications of these phonetic elements, suggesting that their acoustic and articulatory characteristics might implicitly align them with specific response magnitudes, vertical positions, and grip types.

This study investigates the sound symbolic expressions of gender in Japanese names with machine learning algorithms. The main goal of this study is to explore how gender is expressed in the phonemes that make up Japanese names and whether systematic sound-meaning mappings, observed in Indo-European languages, extend to Japanese. In addition to this, this study compares the performance of machine learning algorithms. Random Forest and XGBoost algorithms are trained using the sounds of names and the typical gender of the referents as the dependent variable. Each algorithm is cross-validated using k-fold cross-validation (28 folds) and tested on samples not included in the training cycle. Both algorithms are shown to be reasonably accurate at classifying names into gender categories; however, the XGBoost model performs significantly better than the Random Forest algorithm. Feature importance scores reveal that certain sounds carry gender information. Namely, the voiced bilabial nasal /m/ and voiceless velar consonant /k/ were associated with femininity, and the high front vowel /i/ were associated with masculinity. The association observed for /i/ and /k/ stand contrary to typical patterns found in other languages, suggesting that Japanese is unique in the sound symbolic expression of gender. This study highlights the importance of considering cultural and linguistic nuances in sound symbolism research and underscores the advantage of XGBoost in capturing complex relationships within the data for improved classification accuracy. These findings contribute to the understanding of sound symbolism and gender associations in language.