Axel G. EkströmKTH Royal Institute of Technology | KTH · Department of Speech, Music and Hearing (TMH)
Axel G. Ekström
Evolution of speech
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Citations since 2017
5 Research Items
My name is Axel G. Ekström. I'm a doctoral student with the division of Speech, Music & Hearing. My research interests are principles and phenomena of speech and vocal communication from psychological, comparative and evolutionary perspectives. As of 2022, I am also affiliated with the Laboratory of Language Evolution, Institute of Biology, University of Neuchâtel, Switzerland.
September 2020 - September 2021
March 2020 - present
- Research Assistant
- Project "Filter bubbles and ideological segregation online: Do we need regulation of search engines".
Analysis of nonhuman, great ape vocal behavior may provide insight into the evolu-tion of human speech. Two main impositions prohibit such work. The first and mostobvious is the scarcity of relevant data; even though literature on primate vocalizationstretches back decades, high-quality data are rare and seldom publicly available. Thesecond—far mor...
Every normally developing human infant solves the difficult problem of mapping their native-language phonology, but the neural mechanisms underpinning this behavior remain poorly understood. Here, motor constellation theory, an integrative neurophonological model, is presented, with the goal of explicating this issue. It is assumed that infants’ mo...
This text reviews recent research in phonetic size-sound symbolism – non-arbitrary attributions of size properties to speech acoustic properties. Evidence from a wide range of research works is surveyed, and recent findings from research on the relationships between fundamental frequency, vowel articulation, consonant articulation, phonation type,...
Evidence suggests that human non-verbal speech may be rich in iconicity. Here, we report results from two experiments aimed at testing whether perception of increasing and declining f 0 can be iconically mapped onto motion events. We presented a sample of mixed-nationality participants ( N = 118) with sets of two videos, where one pictured upward m...
It is commonly assumed that algorithmic curation of search results creates filter bubbles, where users’ beliefs are continually reinforced and opposing views are suppressed. However, empirical evidence has failed to support this hypothesis. Instead, it has been suggested that filter bubbles may result from individuals engaging selectively with info...