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Seminar Abstract

Language and speech functioning through an electrophysiological lens. (CLaS-CCD Research Colloquium Series)

Speaker : Dr Vitória Piai, Donders Institute, Radboud University, The Netherlands.
Date : 21st of November 2018, 11:00AM until 12:00PM
Location : Australian Hearing Hub, 3.610, Macquarie University.

    Brain activity can be measured directly using electrophysiology. I will present two lines of research focusing on language and speech functioning using this technique. Firstly, I will present a number of studies examining context-driven word production. When speaking, the conceptual content of the message to be expressed (i.e., the semantic context) constrains possible word candidates, thereby modulating the ease of lexical retrieval. In particular, I will discuss alpha-beta oscillations in relation to memory retrieval and word production and what this neuronal signature can reveal about neuroplasticity following left-hemisphere stroke. Secondly, I will present an event-related potential study examining auditory discrimination in a unique sample of prelingually deaf, cochlear-implant young adults, who were implanted before 6 years of age and have been using their CIs for at least one decade.

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