About

Hi! My name is Marita Everhardt and I am a PhD student at the University of Groningen. My PhD project is on the perception of L2 prosody in cochlear implant simulations.

My main research interests are (acoustic and clinical) phonetics and phonology, speech prosody, speech perception and production, and second language speech.

Outside of academia I enjoy music, festivals, theatre, literature, board/card games, pub quizzes, and travelling.

PhD

Perception of L2 prosody in cochlear implant simulations

Speech perception can – very simplistically – be described as everything that happens between the perception of an acoustic wave and the interpretation of the speech signal. When the acoustic quality of the signal is degraded, speech perception is affected. This is the case for cochlear implant (CI) users; the signal digitized by the CI (i.e. an auditory prosthesis which uses electrodes to stimulate the auditory nerve directly) is highly degraded compared to the signal that normal hearing (NH) individuals perceive. Consequently, perception of certain elements in the speech signal is compromised.

A component of the speech signal that is of great importance for the interpretation of that speech signal is prosody, as prosody (i.e. structured patterns of pitch and rhythm) forms an important source for information on the syntactic and semantic properties of speech. Not being able to adequately perceive specific prosodic elements – due to for instance a degraded auditory signal – could thus lead to errors in the comprehension and consequently the interpretation of the speech signal.

When perceiving prosodic elements of a language other than the mother tongue, such as a second language (L2), speech perception is even more complex. That is, L2 perception may be affected by a cross-linguistic influence of language-specific prosodic patterns, where patterns of the first language (L1) could interfere with the perception of those patterns in the L2, especially when the prosodic systems of the L1 and the L2 are very similar (but not identical). Hence, when listeners are, in addition to a degraded auditory signal, also affected by a cross-linguistic influence of language-specific prosodic patterns, speech perception – particularly speech comprehension – is likely to be strongly compromised.

To date, there have not been – to our knowledge – any studies on the perception of L2 prosody in a degraded auditory setting. In this PhD project, we will therefore bridge the gap in the current literature by investigating the perception of L2 prosody in (late) L2 learners who are subjected to a degraded auditory signal, by using vocoder simulations of CI hearing. We will look at the influence of the quality of the auditory signal and of a (potential) cross-linguistic influence of language-specific prosodic patterns on the perception of L2 prosody for an L2 (English) that has a prosodic system that is similar (but not identical) to that of the L1 (Dutch).


This PhD project is supervised by prof. dr. Wander Lowie and dr. Tassos Sarampalis in collaboration with dr. Matt Coler and prof. dr. Deniz Başkent. The research is carried out at the Center for Language and Cognition Groningen (CLCG) in affiliation with the Research School of Behavioural and Cognitive Neurosciences (BCN).

CV

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Output

Publications: proceedings

Everhardt, M. K., Sarampalis, A., Coler, M. L., Başkent, D., & Lowie, W. M. (forthcoming). Perception of L2 lexical stress in words degraded by a cochlear implant simulation. In Proceedings of the 19th International Congress of Phonetic Sciences (ICPhS). Melbourne, Australia.


Presentations: oral

Everhardt, M. K., Sarampalis, A., Coler, M. L., Başkent, D., & Lowie, W. M. (forthcoming). Perception of L2 lexical stress in words degraded by a cochlear implant simulation. Paper presented at the 19th International Congress of Phonetic Sciences (ICPhS), Melbourne, Australia.

Everhardt, M. K., Sarampalis, A., Coler, M. L., Başkent, D., & Lowie, W. M. (2019). Perception of L2 lexical stress in words degraded by a cochlear implant simulation. Paper presented at the 2019 BCN Retreat, Odoorn, Netherlands.

Everhardt, M. K., & Warren, P. (2016). Categorical perception of final rises in New Zealand English. Paper presented at the 2016 Linguistic Society of New Zealand (LSNZ) Conference, Wellington, New Zealand.

Nota, A. G. R., Everhardt, M. K., Hilton, N. H., & Coler, M. L. (2016). Frisian accents in Dutch: Exploring perceptual salience and attitudes towards prosodic traits. Paper presented at the 21st Sociolinguistics Symposium, Murcia, Spain.

Everhardt, M. K., Coler, M. L., & Lowie, W. M. (2016). Shhh! A study comparing the production of whispered segments by Dutch L2 speakers of English and native L1 speakers. Paper presented at the 8th International Conference on Second Language Speech (New Sounds), Aarhus, Denmark.

Everhardt, M. K., Coler, M. L., & Lowie, W. M. (2016). Shhh! A study comparing the production of whispered segments by Dutch L2 speakers of English and native L1 speakers. Paper presented at the 37th TABU Dag, Groningen, Netherlands.

Everhardt, M. K., Coler, M. L., & Lowie, W. M. (2016). Shhh! A study comparing the production of whispered segments by Dutch L2 speakers of English and native L1 speakers. Paper presented at the 3rd Sociolinguistics Circle, Nijmegen, Netherlands.


Presentations: poster

Everhardt, M. K., Sarampalis, A., Coler, M. L., Başkent, D., & Lowie, W. M. (2019). Perception of L2 lexical stress in words degraded by a cochlear implant simulation. Poster presented at the 2019 BCN Winter Meeting, Enschede, Netherlands.

Everhardt, M. K., Sarampalis, A., Coler, M. L., Başkent, D., & Lowie, W. M. (2018). Perception of L2 lexical stress in cochlear implant simulations. Poster presented at the 1st Summer School on Multiple Approaches to the Perception of Speech (MAPS), Groningen, Netherlands.

Warren, P., Everhardt, M. K., & Wollum, E. (2018). Learning effects in the categorisation of final rises in New Zealand English. Poster presented at the 16th Conference on Laboratory Phonology (LabPhon), Lisbon, Portugal.

Veenstra, J. P., Everhardt, M. K., & Wieling, M. B. (2018). Vision deprived language acquisition: Vowel production and ASR efficacy. Poster presented at the 16th Conference on Laboratory Phonology (LabPhon), Lisbon, Portugal.

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