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Bouba/kiki effect

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(Redirected from Takete)
A spiky geometric shape (left) and a rounded geometric shape (right)
This picture is used as a test to demonstrate that people may not attach sounds to shapes arbitrarily. When given the names "kiki" and "bouba", many cultural and linguistic communities worldwide robustly tend to label the shape on the left "kiki" and the one on the right "bouba".

The bouba–kiki effect (/ˈbuːbə ˈkiːkiː/) or takete–maluma phenomenon[1][2][3] is a non-arbitrary mental association between certain speech sounds and certain visual shapes. The most typical research finding is that people, when presented with nonsense words, tend to associate certain ones (like bouba and maluma) with a rounded shape and other ones (like kiki and takete) with a spiky shape. Its discovery dates back to the 1920s, when psychologists documented experimental participants as connecting nonsense words to shapes in consistent ways.

There is a strong general tendency towards the effect worldwide; it has been robustly confirmed across a majority of cultures and languages in which it has been researched,[4] for example including among English-speaking American university students, Tamil speakers in India, speakers of certain languages with no writing system, young children, infants, and (though to a much lesser degree) the congenitally blind.[4] It has also been shown to occur with familiar names. The bouba–kiki effect is one form of sound symbolism.[5]

Research

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Discovery

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This effect was first observed by Georgian psychologist Dimitri Uznadze in a 1924 paper.[6][non-primary source needed] He conducted an experiment with 10 participants who were given a list with nonsense words, shown six drawings for five seconds each, then instructed to pick a name for the drawing from the list of given words. He describes the different "strategies" participants developed to match words to drawings and quotes their reasoning. He also describes situations where participants described very specific forms that they associated with a nonsense word, without reference to the shown drawings. He develops a theory of four factors that influence the way names for objects are decided.

In total, there were 42 words. For one particular drawing, 45% picked the same word. For three others, the percentages were 40%. Uznadze points out that this is significantly more overlap than one could expect, given the high number of possible words. He speculates that there must therefore be certain regularities "which the human soul follows in the process of name-giving".

German American psychologist Wolfgang Köhler referred to Uznadze's experiment in a 1929 book[7] which showed two forms and asked readers which shape was called "takete" and which was called "maluma". Although he does not say so outright, Köhler implies that there is a strong preference to pair the jagged shape with "takete" and the rounded shape with "maluma".[8]

Extension to other contexts

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Cross-language contexts

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In 2001, V. S. Ramachandran and Edward Hubbard repeated Köhler's experiment, introducing the words "kiki" and "bouba", and asked American college undergraduates and Tamil speakers in India, "Which of these shapes is bouba and which is kiki?" In both groups, 95% to 98% selected the curvy shape as "bouba" and the jagged one as "kiki", suggesting that the human brain somehow attaches abstract meanings to the shapes and sounds consistently.[9][failed verification – see discussion]

A research in 2022 also did experiment and found that the evidence supports the idea that bouba/kiki effect is a cross-cultural phenomenon. 917 participants speaking 25 different languages maintain a consistency in bouba/kiki identification, intuitively associating the "bouba" with a rounded shape and "kiki" with a sharp, pointed shape, regardless of their native language. It also supports that the Roman orthography is a factor that could enhance the bouba kiki effect. However, this biasing effect of orthography is rather weak since the participants speaking language with Roman script are only insignificantly more likely to show the bouba/kiki effect.[clarification needed] [10]

Cross-age contexts

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Daphne Maurer and colleagues showed that even children as young as 21⁄2 years old may show this preference.[11] More recent work by Ozge Ozturk and colleagues in 2013 showed that even 4-month-old infants have the same sound–shape mapping biases as adults and toddlers.[12] Infants are able to differentiate between congruent trials (pairing an angular shape with "kiki" or a curvy shape with "bubu") and incongruent trials (pairing a curvy shape with "kiki" or an angular shape with "bubu"). Infants looked longer at incongruent pairings than at congruent pairings. Infants' mapping was based on the combination of consonants and vowels in the words, and neither consonants nor vowels alone sufficed for mapping. These results suggest that some sound–shape mappings precede language learning, and may in fact aid in language learning by establishing a basis for matching labels to referents and narrowing the hypothesis space for young infants. Adults in this study, like infants, used a combination of consonant and vowel information to match the labels they heard with the shapes they saw. However, this was not the only strategy that was available to them. Adults, unlike infants, were also able to use consonant information alone and vowel information alone to match the labels to the shapes, albeit less frequently than the consonant–vowel combination. When vowels and consonants were put in conflict, adults used consonants more often than vowels.

Other contexts where the effect is present

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The effect has also been shown to emerge in other contexts, such as when words are paired with evaluative meanings (with "bouba" words associated with positive concepts and "kiki" words associated with negative concepts)[13] or when the words to be paired are existing first names, suggesting that some familiarity with the linguistic stimuli does not eliminate the effect. A study showed that individuals will pair names such as "Molly" with round silhouettes, and names such as "Kate" with sharp silhouettes. Moreover, individuals will associate different personality traits with either group of names (e.g., easygoingness with "round names"; determination with "sharp names"). This may hint at a role of abstract concepts in the effect.[14]

Contexts where the effect is smaller or absent

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Other research suggests that this effect does not occur in all communities,[15] and it appears that the effect breaks if the sounds do not make licit words in the language.[16] The bouba–kiki effect seems to be dependent on a long sensitive period, with high visual capacities in childhood being necessary for its typical development. Although the congenitally blind have been reported to show a bouba–kiki effect, they show a much smaller one for touched shapes than sighted individuals do for visual shapes.[17][18]

Languages with little observed effect

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A major 2021 study showed that certain languages, namely Mandarin Chinese, Turkish, Romanian, and Albanian, on average showed lower-than-50% matches for both associating bouba with roundedness and kiki with jaggedness. However, the authors consider their analysis conservative and not clear enough to confirm if these four definitively lacked the bouba–kiki phenomenon. For example, the phonetic structures of these languages or their participants' cultural associations with sound and shape could have led to the weaker correlations observed.[4] Further research is being conducted to further verify the correlation between low-effect languages and the bouba-kiki phenomenon.

Neuroscience

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In 2019, Nathan Peiffer-Smadja and Laurent Cohen published the first study using fMRI to explore the bouba–kiki effect.[19] They found that prefrontal activation is stronger to mismatching (bouba with spiky shape) than to matching (bouba with round shape) stimuli. A subsequent study by Kelly McCormick and colleagues reported a similar pattern of greater activation for mismatched word-shape stimuli, but with most activity in parietal regions including the intraparietal sulcus and supramarginal gyrus, regions known to play a role in sensory association and perceptual-motor processing.[20] Peiffer-Smadja and Cohen also found that sound-shape matching also influences activations in the auditory and visual cortices, suggesting an effect of matching at an early stage in sensory processing.[19]

Implications for understanding language

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Ramachandran and Hubbard suggest that the kiki/bouba effect has implications for the evolution of language, because it suggests that the naming of objects is not completely arbitrary.[9]: 17  The rounded shape may most commonly be named "bouba" because the mouth makes a more rounded shape to produce that sound while a more taut, angular mouth shape is needed to make the sounds in "kiki".[21] Alternatively, the distinction may be between coronal or dorsal consonants like /k/ and labial consonants like /b/.[22] Additionally, it was shown that it is not only different consonants (e.g., voiceless versus voiced) and different vowel qualities (e.g., /a/ versus /i/) that play a role in the effect, but also vowel quantity (long versus short vowels). In one study, participants rated words containing long vowels to refer to longer objects and short vowels to short objects, at least for languages that make a vowel length distinction.[23] The presence of these "synesthesia-like mappings" suggest that this effect may be the neurological basis for sound symbolism, in which sounds are non-arbitrarily mapped to objects and events in the world.[citation needed] Research has also indicated that the effect may be a case of ideasthesia,[24] a phenomenon in which activations of concepts (inducers) evoke perception-like experiences (concurrents). The name comes from the Greek idea and aisthesis, meaning "sensing concepts" or "sensing ideas", and was introduced by Danko Nikolić.[25]

See also

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References

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  1. ^ Nielsen, Alan; Rendall, Drew (2011). ""The sound of round: evaluating the sound-symbolic role of consonants in the classic Takete-Maluma phenomenon."". Canadian Journal of Experimental Psychology. 65 (2): 115. doi:10.1037/a0022268. PMID 21668094.
  2. ^ Occelli, Valeria; Esposito, Gianluca; Venuti, Paola; Arduino, Giuseppe Maurizio; Zampini, Massimiliano (2013). "The Takete—Maluma Phenomenon in Autism Spectrum Disorders". Perception. 42 (2): 233–241. doi:10.1068/p7357. ISSN 0301-0066. PMID 23700961.
  3. ^ Rogers, Susan K; Ross, Abraham S (1975). "A Cross-Cultural Test of the Maluma—Takete Phenomenon". Perception. 4 (1): 105–106. doi:10.1068/p040105. ISSN 0301-0066. PMID 1161435.
  4. ^ a b c Ćwiek, Aleksandra; Fuchs, Susanne; Draxler, Christoph; Asu, Eva Liina; Dediu, Dan; Hiovain, Katri; Kawahara, Shigeto; Koutalidis, Sofia; Krifka, Manfred; Lippus, Pärtel; Lupyan, Gary; Oh, Grace E.; Paul, Jing; Petrone, Caterina; Ridouane, Rachid; Reiter, Sabine; Schümchen, Nathalie; Szalontai, Ádám; Ünal-Logacev, Özlem; Zeller, Jochen; Perlman, Marcus; Winter, Bodo (2022). "The bouba/Kiki effect is robust across cultures and writing systems". Philosophical Transactions of the Royal Society B: Biological Sciences. 377 (1841). doi:10.1098/rstb.2020.0390. PMC 8591387. PMID 34775818.
  5. ^ Margiotoudi Konstantina and Pulvermüller Friedemann (2020). "Action sound–shape congruencies explain sound symbolism". Scientific Reports. 10 (1): 12706. Bibcode:2020NatSR..1012706M. doi:10.1038/s41598-020-69528-4. PMC 7392762. PMID 32728096. ProQuest 2428279185.
  6. ^ Dimitri Usnadze. "Ein experimenteller Beitrag zum Problem der psychologischen Grundlagen der Namengebung" (PDF). bard.edu (in German). Retrieved 18 April 2023.
  7. ^ Köhler, Wolfgang (1929). Gestalt Psychology. New York: Liveright.
  8. ^ Köhler, Wolfgang (1947). Gestalt Psychology (2nd ed.). New York: Liveright. p. 133.
  9. ^ a b Ramachandran, V.S. & Hubbard, E.M. (2001). "Synaesthesia: A window into perception, thought and language" (PDF). Journal of Consciousness Studies. 8 (12): 3–34. Archived from the original (PDF) on 2011-08-13. Retrieved 2011-10-20.
  10. ^ Ćwiek, Aleksandra; Fuchs, Susanne; Draxler, Christoph; Asu, Eva Liina; Dediu, Dan; Hiovain, Katri; Kawahara, Shigeto; Koutalidis, Sofia; Krifka, Manfred; Lippus, Pärtel; Lupyan, Gary; Oh, Grace E.; Paul, Jing; Petrone, Caterina; Ridouane, Rachid (2022-01-03). "The bouba/kiki effect is robust across cultures and writing systems". Philosophical Transactions of the Royal Society B: Biological Sciences. 377 (1841). doi:10.1098/rstb.2020.0390. ISSN 0962-8436. PMC 8591387. PMID 34775818.
  11. ^ Maurer, Daphne; Pathman, Thanujeni & Mondloch, Catherine J. (2006). "The shape of boubas: Sound-shape correspondences in toddlers and adults" (PDF). Developmental Science. 9 (3): 316–322. doi:10.1111/j.1467-7687.2006.00495.x. PMID 16669803. S2CID 7297731. Archived from the original (PDF) on 2011-07-23. Retrieved 2011-06-19.
  12. ^ Ozturk, Ozge; Krehm, Madelaine; Vouloumanos, Athena (2013). "Sound symbolism in infancy: Evidence for sound–shape cross-modal correspondences in 4-month-olds" (PDF). Journal of Experimental Child Psychology. 114 (2): 173–186. doi:10.1016/j.jecp.2012.05.004. PMID 22960203. S2CID 7274252. Archived from the original (PDF) on 2020-08-17. Retrieved 2019-09-24.
  13. ^ Bross, Fabian (2018). "The Good, the Bad, the Bouba, and the Kiki. Cross-Modal Correspondences Between Evaluative Meanings, Speech-Sounds, and Object Shapes". 14th conference "Phonetics & Phonology in the German-Speaking World". University of Vienna. doi:10.13140/RG.2.2.11463.14240.
  14. ^ Sidhu, David M.; Pexman, Penny M. (2015-05-27). "What's in a Name? Sound Symbolism and Gender in First Names". PLOS ONE. 10 (5): e0126809. Bibcode:2015PLoSO..1026809S. doi:10.1371/journal.pone.0126809. ISSN 1932-6203. PMC 4446333. PMID 26016856.
  15. ^ Rogers, Susan K.; Ross, Abraham S. (1975). "A cross-cultural test of the maluma–takete phenomenon". Perception. 4 (1): 105–106. doi:10.1068/p040105. PMID 1161435. S2CID 30045028.
  16. ^ Styles, Suzy; Gawne, Lauren (2017). "When Does Maluma/Takete Fail? Two Key Failures and a Meta-Analysis Suggest That Phonology and Phonotactics Matter". i-Perception. 8 (4): 204166951772480. doi:10.1177/2041669517724807. PMC 5574486. PMID 28890777.
  17. ^ Fryer, Louise; Freeman, Jonathan & Pring, Linda (2014). "Touching words is not enough: How visual experience influences haptic–auditory associations in the "Bouba–Kiki" effect" (PDF). Cognition. 132 (2): 164–173. doi:10.1016/j.cognition.2014.03.015. PMID 24809744. S2CID 29605784.
  18. ^ Hamilton-Fletcher, Giles; Pisanski, Katarzyna; Reby, David; Stefańczyk, Michał; Ward, Jamie & Sorokowska, Agnieszka (2018). "The role of visual experience in the emergence of cross-modal correspondences" (PDF). Cognition. 175: 114–121. doi:10.1016/j.cognition.2018.02.023. PMID 29502009. S2CID 3688492.
  19. ^ a b Peiffer-Smadja, Nathan; Cohen, Laurent (2019-02-01). "The cerebral bases of the bouba-kiki effect". NeuroImage. 186: 679–689. doi:10.1016/j.neuroimage.2018.11.033. ISSN 1053-8119. PMID 30503933. S2CID 54164828.
  20. ^ McCormick, Kelly; Lacey, Simon; Stilla, Randall; Nygaard, Lynne C.; Sathian, K. (2021-08-11). "Neural Basis of the Sound-Symbolic Crossmodal Correspondence Between Auditory Pseudowords and Visual Shapes". Multisensory Research. -1 (aop): 29–78. doi:10.1163/22134808-bja10060. ISSN 2213-4794. PMC 9196751. PMID 34384048. S2CID 236998825.
  21. ^ D'Onofrio, Annette (2013). "Phonetic Detail and Dimensionality in Sound-shape Correspondences: Refining the Bouba-Kiki Paradigm". Language and Speech. 57 (3): 367–393. CiteSeerX 10.1.1.1020.1352. doi:10.1177/0023830913507694. S2CID 51937587.
  22. ^ McCormick, Kelly; Kim, Jee Young; List, Sara; Nygaard, Lynne C. (2015). "Sound to Meaning Mappings in the Bouba-Kiki Effect" (PDF). Proceedings of the 37th Annual Conference of the Cognitive Science Society: Mind, Technology, and Society: Pasadena, California, 23–25 July 2015. Austin, TX: Cognitive Science Society. pp. 1565–1570. ISBN 978-0-9911967-2-2. Archived from the original (PDF) on 2019-02-09. Retrieved 2019-02-08.
  23. ^ Bross, Fabian (2018). "Cognitive associations between vowel length and object size: A new feature contributing to a bouba/kiki effect". In Belz, M.; Mooshammer, C.; Fuchs, S.; Jannedy, S.; Rasskazova, O.; Zygis, M. (eds.). Proceedings of the Conference on Phonetics & Phonology in German-Speaking Countries. Vol. 13. Berlin: Humbold University. pp. 17–20.
  24. ^ Gómez Milán, E.; Iborra, O.; de Córdoba, M.J.; Juárez-Ramos, V.; Rodríguez Artacho, M.A.; Rubio, J.L. (2013). "The Kiki-Bouba effect: A case of personification and ideaesthesia". Journal of Consciousness Studies. 20 (1–2): 84–102.
  25. ^ Nikolić, Danko (2009). "Is synaesthesia actually ideaestesia? An inquiry into the nature of the phenomenon" (PDF). Proceedings of the Third International Congress on Synaesthesia, Science & Art.
  • Sidhu, David M., et al. (2022). The Bouba/Kiki Effect: Sound Symbolism for Shape is Robust Across Cultures and Writing Systems. Philosophical Transactions of the Royal Society B, 377(1841), 20200390. This paper examines cross-linguistic data supporting the bouba/kiki effect and explores its potential implications for understanding iconicity in language.
  • Bohn, Manuel, et al. (2022). Bo-NO-bouba-kiki: Picture-Word Mapping but No Spontaneous Sound Symbolic Speech-Shape Mapping in a Language-Trained Bonobo. Proceedings of the Royal Society B, 289(20211717). This study tested the bouba/kiki effect in Kanzi, a language-competent bonobo, finding that non-human primates did not demonstrate the same shape-sound association as humans, hinting at a possible human-specific ability tied to language exposure.
  • Chen, S., & Maurer, D. (2022). The Bouba/Kiki Effect in Early Childhood: Evidence from Preschoolers.Developmental Science, 25(5), e13277. This developmental study provides insights into how young children perceive sound-symbolic shapes, indicating that the bouba/kiki effect may emerge in early childhood, potentially pointing to innate sound-shape associations that become refined with language exposure.
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