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Word Sounds Shown to Carry Emotional Weight

A new study suggests that hearing the word “virus” was likely to make your blood pressure rise, even before “corona” was added to it.

The research, led by Cornell University, shows that certain sound combinations, like those in the word “virus,” elicit more emotionally intense responses than others. This occurrence may play a role in both children’s language acquisition and how we might have evolved language in the first place.

The findings also help explain why, when people are shown a spiky shape and a rounded shape and asked to guess which is called “bouba” and which “kiki,” the majority call the spiky shape “kiki” and the rounded one “bouba.” This well-studied psychological “matching” effect holds across age and cultural backgrounds, though scholars have disagreed about the reason.

Specifically, the research shows that the level of emotional intensity, or “arousal,” we feel when seeing objects or hearing sounds might provide the missing link that connects spikiness to “kiki” and roundedness to “bouba.”

“For most words,” the authors wrote, “the relationship between sound and meaning appears arbitrary: The sound of a word does not typically tell us what it means. A growing body of work, however, has shown that the sounds of words can carry subtle cues about what they refer to.”

For the study, participants were asked to rate the level of arousal experienced by visual and auditory stimuli from eight previous studies of the matching effect. The results showed that the level of arousal can explain the matching preferences. The researchers found that spiky shapes and kiki-like nonwords are indeed emotionally stimulating — similar to the word “virus” — whereas rounded shapes and bouba-like nonwords are calming.

The findings were confirmed in a second experiment, using an acoustic model generated from the arousal ratings for more than 900 unrelated nonsense words. The final experiment asked participants to match a subset of these nonsense words that varied in their level of arousal to the visual stimuli from the eight previous studies. Once again, the team found that spiky shapes were chosen for high-arousal words, rounded shapes for low-arousal words.

These results suggest that many of the mappings in our vocabulary between sound and meaning are driven by our emotional responses to the auditory and visual input.

“Our emotional states may thus help children map sound to meaning when learning new words,” said Morten Christiansen, the William R. Kenan, Jr. Professor of Psychology and co-director of Cornell’s Cognitive Science Program.

“The arousal link between sound and meaning may also have allowed early humans to get language off the ground in the first place, by making it easy to associate a word with its meaning.”

The study emphasizes the previously underappreciated role that human emotion may play in the development and evolution of language by grounding associations between abstract concepts (like shapes) and linguistic signs (like spoken words) in the emotional system.

It also shows how the sounds of words might impact our emotional states independently of what they mean.

Co-authors incude Arash Aryani, a researcher at Freie Universität Berlin; and Erin Isbilen, a graduate student in psychology and a member of Christiansen’s Cognitive Neuroscience Lab.

The study, “Affective Arousal Links Sound to Meaning,” is published in the journal Psychological Science.

Source: Cornell University

Word Sounds Shown to Carry Emotional Weight

Traci Pedersen

Traci Pedersen is a professional writer with over a decade of experience. Her work consists of writing for both print and online publishers in a variety of genres including science chapter books, college and career articles, and elementary school curriculum.

APA Reference
Pedersen, T. (2020). Word Sounds Shown to Carry Emotional Weight. Psych Central. Retrieved on August 7, 2020, from https://psychcentral.com/news/2020/07/17/word-sounds-shown-to-carry-emotional-weight/158147.html
Scientifically Reviewed
Last updated: 18 Jul 2020 (Originally: 17 Jul 2020)
Last reviewed: By a member of our scientific advisory board on 18 Jul 2020
Published on Psych Central.com. All rights reserved.