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DTSTART;TZID=Australia/Sydney:20180208T000000
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DTSTAMP:20230518T131750Z
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SUMMARY:Current Issues in Child Bilingual Development
DESCRIPTION:
URL:https://hearinghub.edu.au/event/current-issues-in-child-bilingual-development/
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DTSTART;TZID=Australia/Sydney:20180208T000000
DTEND;TZID=Australia/Sydney:20180208T000000
DTSTAMP:20230518T131932Z
CREATED:20230518T131932Z
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SUMMARY:Seminar: BrainHearing – The ear is a gateway to the brain ...
DESCRIPTION:Speaker: Prof. Thomas Lunner\, Oticon\, Eriksholm Research Center\nDate: 28 February 2018\nTime: 2.00pm-4.00pm\nLocation: Denis Byrne Room\, Level 4\, Australian Hearing Hub \nAbstract: The Framework for Understanding Effortful Listening (FUEL\, Eriksholm Workshop) has outlined possible mechanisms for when listening is effortful or not. This talk outlines some studies investigating the impact of hearing loss on processing effort and the benefit of a NR scheme on speech recognition and effort. For example it will be shown that signal processing in hearing instruments and noise reduction schemes counteract the effect of noise and reduce the effort required for speech recognition in both adverse listening situations\, but also under not so adverse listening situations. The results emphasize the relevance of measuring processing effort in situations where the traditional speech reception measures fail due to ceiling effects. Furthermore\, the effect of increased working memory load on listening effort will be shown\, as well as hearing instrument noise reduction to mitigate the increased effort. \nBiography: Prof. Lunner is a Senior Scientist\, Project leader and Research Area manager at Eriksholm Research Centre\, Oticon A/S\, Denmark. He is also Professor of Cognitive Hearing Science\, Linkoping University\, Linkoping\, Sweden\, since 2009 and Professor in Hearing Systems group\, Danish Technical University\, Denmark\, since 2015. He received the M.Sc. degree in physics and electrical engineering in 1989 and the Ph.D. degree in Technical Audiology in 1997\, both from Linkoping University. His research interests include the relationship between hearing and cognition\, cognitive control of hearing aids\, and the involvement of the internet in audiology service delivery and audiology research. He formulated\, in cooperation with Technical Audiology in Linköping and Oticon\, the digital signal processing scheme and fitting algorithms for the worlds first fully digitized hearing aid\, which was presented in 1995\, and received the European Unions prestigious technology prize IST Grand Prize in 1996. He has received various innovation prizes and including being awarded Alumni of the Year 2016\, Linköping University. He was also awarded the first Fellow at William Demant\, 2017. He has published more than 120 peer reviewed papers\, and holds more than 20 patents. H-index 33. \nOticon Medical Neuro CI system and Outlook on future of Cochlear Implant Design & Care  \nDr. Søren Riis\, Oticon Medical\, Research & Technology \nThis talk will start by a brief introduction to the latest Neuro CI system by Oticon Medical with an emphasis on how this differs from other solutions available on the market today and how we with this system address some of the key challenges in current CI designs and CI care. Through examples from our CI research portfolio\, the talk will also illustrate visions for the future of CI design and care. \nBiography: Dr. Riis completed his PhD in 1998 at the Technical University of Denmark. He joined Oticon in 2002 and transitioned to Oticon Medical in 2013 where he is heading Research & Technology activities at Oticon Medical across Cochlear Implants and Bone Anchored hearing devices. Dr. Riis is a member of the Oticon Eriksholm Research Board and Chairman of the Health Technology group in the Danish Academy of Technical sciences. \nOticon Medical Neural Stimulation Philosophy: a different paradigm \nDr. Pierre Stahl\, Oticon Medical\, Clinical Research \nThe way electrodes are driving electrical current and its impact on human hearing sensations have been widely studied in the cochlear implant (CI) field among the past decades. Although these efforts provided new insights and methodologies for more efficient or more focused stimulations (i.e.\, stimulation modes: bipolar\, tripolar\, current steering; regarding waveforms: multiphasic\, pseudo-monophasic\, ramps\, etc.)\, none or only a limited of these findings are actually used in commercialized CI systems\, which keep stimulating with gold-standard electrical parameters. The Oticon Medical neural stimulation paradigm build on fairly different characteristics. Low stimulation rate\, loudness coding by pulse-duration\, stimulation mode and pulse waveform are all parameters that can be considered Oticon Medical unique in the CI field. This presentation aims to highlight these differences based on literature knowledge\, dedicated studies and our intrinsic philosophy. \nBiography: Dr. Stahl was born in Marseille\, France\, on March 31\, 1986. He received the M.Sc. degree in 2011 in Physics and Biological sciences\, and the Ph.D. degree in Acoustic and Electric Psychoacoustics in 2015 from the Aix-Marseille University\, France\, under the supervision of Olivier Macherey and Sabine Meunier. He joined the Oticon Medical Neurelec Clinical and Research department in 2015. \nIf you have any questions\, please contact Kelly Miles kelly.miles@nal.gov.au \n 
URL:https://hearinghub.edu.au/event/seminar-brainhearing-the-ear-is-a-gateway-to-the-brain/
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DTSTART;TZID=Australia/Sydney:20180213T000000
DTEND;TZID=Australia/Sydney:20180213T000000
DTSTAMP:20230518T131928Z
CREATED:20230518T131928Z
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SUMMARY:AHH seminar: Personalized medicine in cochlear implantation:  Microanatomical variations ...
DESCRIPTION:Speaker: Professor Andrej Kral\nDate: Tuesday 27 March\nTime: 2.00pm – 3.30pm\nLocation:  Level 1\, Talavera Road\, Macquarie University \nAgenda:\n2.00pm – 2.05pm – Welcome\n2.05pm – 2.45pm – Presentation\n2.45pm – 3.00pm – Q & A\n3.00pm – 3.30pm – Networking & Refreshments \nAbstract:\nOutcomes of cochlear implantation are characterized by extensive variability. Part of this variability may be related to variations in the form of the cochlea. While the cochlear function is related to the biophysical properties of the basilar membrane\, the cochlear microanatomy is characterized by extensive variation in size and form (1). This significantly influences the outcome of cochlear implantation\, particularly the implantation forces and the resulting intracochlear trauma (2). However\, current imaging technologies provide only very rudimentary information on the cochlear form and size. To overcome this difficulty\, an analytical model of the cochlea is required that allows to approximate not only the size but also the detailed cochlear form out of the few parameters that can be obtained in human cochlear imaging. We analyzed the 3D cochlear form in 108 corrosion casts and 30 µCTs from human donors at microscopic resolution. Based on these data we developed an analytical 3D model of the human cochlea that can provide the information on the cochlear form out of only 4 measured parameters (3). The result was validated using the “leave one out” cross-validation and showed the high precision well within ±1 mm. \nThe outcome of this endeavor is not only of critical importance for clinical applications\, but also for understanding of the origins of biological form. Our data demonstrate that the cochlear form cannot have an acoustic function\, as previously speculated. Rather the individual variations of the form result from spatial constraints in the crowded human temporal bone (3). \nSupported by Deutsche Forschungsgemeinschaft (Exc. 1077) and Advanced Bionics European Research Center\, GmbH. \nReferences \n(1) Avci E\, Nauwelaers T\, Lenarz T\, Hamacher V\, & Kral A\, 2014: Variations in microanatomy of the human cochlea. J Comp Neurol 522:3245-3261. \n(2) Avci E\, Nauwelaers T\, Hamacher V\, & Kral A\, 2016: Three-Dimensional force profile during cochlear implantation depends on individual geometry and insertion trauma. Ear Hear 38(3):e168-e179. \n(3) Pietsch M\, Aguirre Dávila L\, Erfurt P\, Avci E\, Lenarz T\, & Kral A\, 2017: Spiral form of the human cochlea results from spatial constraints. Sci Rep 7(1):7500. \nBio:\nAndrej Kral was born in Bratislava\, studied general medicine at the Comenius University (MD 1993\, PhD 1998). His first research position was at the Institute of Pathological Physiology (1992 – 1995). In collaboration with the Mathematical Institute (Prof. V. Majernik) he worked on computer models of neuronal networks. In 1995\, at the Institute of Sensory Physiology\, J.W.Goethe University\, Frankfurt am Main (Head: Prof. R. Klinke) the focus of research moved to cochlear implants. He was appointed associate professor of physiology (“Priv.-Doz.”) at J.W.Goethe University in 2002. 2004-2009 he was Professor of Neurophysiology at the Institute of Neurophysiology\, University of Hamburg. Since 2009 he has been Chair and Professor of Auditory Neurophysiology at the Medical University Hannover and the director of research of the ENT clinics. Andrej Kral leads the Dept. of Experimental Otology and the Joint Institute of AudioNeuroTechnology. Since 2004 he has been Adjunct Professor of Neuroscience and Cognition at The University of Texas at Dallas\, USA and since 2017 member of the National Academy of Science Leopoldina. The focus of research includes neuroscience of deafness\, cochlear implants\, auditory development\, brain plasticity\, cross-modal reorganization and neuroprosthetic stimulation. The research has been published\, among others\, in New England Journal of Medicine\, Science\, Lancet Neurology\, Nature Neuroscience\, Trends in Neuroscience\, Brain\, Journal of Neuroscience and Cerebral Cortex\, he gave more than 150 invited talks at international conferences and research institutions in US and Europe. Together with A.N.Popper and R.R.Fay he edited the volume of the Springer Handbook of Auditory Research on Deafness (vol. 47). \nThe lab has received funding from German Research Society (DFG)\, Common Scientific Conference Germany\, State of Hamburg and State of Lower Saxony\, NIH\, EU and cochlear implant industry. \n  \nWho should come:  hearing\, speech and language researchers and clinicians\, cognitive scientists\, psychologists\, researchers in aging health and health care professionals.\nNetwork: Learn from one another and see what collaboration opportunities are available.\nRegistration:  Entry is free and open to the public. Please register by Monday 19 March 2018 to louise.dodd@mq.edu.au
URL:https://hearinghub.edu.au/event/ahh-seminar-personalized-medicine-in-cochlear-implantation-microanatomical-variations/
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DTSTART;TZID=Australia/Sydney:20180219T000000
DTEND;TZID=Australia/Sydney:20180219T000000
DTSTAMP:20230518T131929Z
CREATED:20230518T131929Z
LAST-MODIFIED:20230518T131929Z
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SUMMARY:AHH seminar: Developmental plasticity of the “deaf” brain
DESCRIPTION:Speaker: Professor Andrej Kral\nDate: Monday 26 March\nTime: 9.00am – 10.30am\nLocation:  Level 1\, Lecture Theatre\, Australian Hearing Hub \nAgenda:\n9.00am – 9.05am – Welcome\n9.05am – 9.45am – Presentation\n9.45am – 10.00am – Q & A\n10.00am – 10.30am – Networking & Refreshments \nAbstract:\nThe brain develops under the influence of sensory input. During postnatal development\, perceptual “attunement” to sensory input takes place while synaptic contacts in the neocortex emerge. This maturation period is characterized by high (juvenile) neuronal plasticity. On one hand\, inborn feature sensitivity improves (and forms) during this period\, on the other hand in active interaction with the environment the brain learns to categorize sensory features into meaningful sensory objects. \nUsing a natural model of congenital deafness\, the deaf white cat\, our team has focused on effects of sensory experience on the structure and function of the auditory system. We use cochlear implants to test the auditory function in deaf animals and provide deaf animals with a portable signal processor and a cochlear implant to initiate hearing experience at different ages. \nWe could show that total absence of hearing affects auditory maturation extensively\, leaving the brain in an intermediate (neither juvenile nor matured)\, naïve state (1\,2). This influences auditory learning (3) and the interaction between the sensory stimulus and corticocortical processing (4). Also interactions between sensory systems are developing with sensory experience. Absence of sensory experience has therefore extensive consequences (3). Not only the above sensory functions cannot be learned\, the nervous system also adapts to the situation by developing compensatory strategies to cope with the loss of one sensory system. Cross-modal reorganization is one consequence\, with partly supranormal performance in the remaining sensory systems (5). Congenital deafness also affects cognitive functions\, including executive functions\, attention and working memory\, since language and hearing have a shaping influence on cognitive functions (the “connectome model” of hearing loss (6)). A higher interindividual variations in cognitive function has been observed in cochlear-implanted prelingually deaf children that likely result from individual adaptations to deafness and subsequently also to cochlear implants (6). \nSupported by Deutsche Forschungsgemeinschaft (Exc. 1077) \nReferences: \n(1) Kral A & Sharma A\, 2012: Developmental neuroplasticity after cochlear implantation. Trends Neurosci 35(2):111-22. \n(2) Kral A\, Baumhoff P\, & Shepherd RK\, 2013: Integrative neuronal functions in deafness. In A. Kral\, A. N. Popper\, & R. R. Fay (Eds.)\, Deafness. (pp. 151-88). New York\, Heidelberg: Springer Verlag. \n(3) Kral A\, 2013: Auditory critical periods: A review from system’s perspective. Neuroscience 247:117-33. \n(4) Yusuf PA\, Hubka P\, Tillein J\, & Kral A\, 2017: Induced cortical responses require developmental sensory experience. Brain 140(12):3153-3165. \n(5) Lomber SG\, Meredith MA\, & Kral A\, 2010: Cross-modal plasticity in specific auditory cortices underlies visual compensations in the deaf. Nat Neurosci 13(11):1421-7. \n(6) Kral A\, Kronenberger WG\, Pisoi DB\, O`Donoghue GM (2016): Neurocognitive factors in sensory restoration of early deafness: a connectome model. Lancet Neurol 15(6): 610-621. \nBio:\nAndrej Kral was born in Bratislava\, studied general medicine at the Comenius University (MD 1993\, PhD 1998). His first research position was at the Institute of Pathological Physiology (1992 – 1995). In collaboration with the Mathematical Institute (Prof. V. Majernik) he worked on computer models of neuronal networks. In 1995\, at the Institute of Sensory Physiology\, J.W.Goethe University\, Frankfurt am Main (Head: Prof. R. Klinke) the focus of research moved to cochlear implants. He was appointed associate professor of physiology (“Priv.-Doz.”) at J.W.Goethe University in 2002. 2004-2009 he was Professor of Neurophysiology at the Institute of Neurophysiology\, University of Hamburg. Since 2009 he has been Chair and Professor of Auditory Neurophysiology at the Medical University Hannover and the director of research of the ENT clinics. Andrej Kral leads the Dept. of Experimental Otology and the Joint Institute of AudioNeuroTechnology. Since 2004 he has been Adjunct Professor of Neuroscience and Cognition at The University of Texas at Dallas\, USA and since 2017 member of the National Academy of Science Leopoldina. The focus of research includes neuroscience of deafness\, cochlear implants\, auditory development\, brain plasticity\, cross-modal reorganization and neuroprosthetic stimulation. The research has been published\, among others\, in New England Journal of Medicine\, Science\, Lancet Neurology\, Nature Neuroscience\, Trends in Neuroscience\, Brain\, Journal of Neuroscience and Cerebral Cortex\, he gave more than 150 invited talks at international conferences and research institutions in US and Europe. Together with A.N.Popper and R.R.Fay he edited the volume of the Springer Handbook of Auditory Research on Deafness (vol. 47). \nThe lab has received funding from German Research Society (DFG)\, Common Scientific Conference Germany\, State of Hamburg and State of Lower Saxony\, NIH\, EU and cochlear implant industry. \nWho should come:  hearing\, speech and language researchers and clinicians\, cognitive scientists\, psychologists\, researchers in aging health and health care professionals.\nNetwork: Learn from one another and see what collaboration opportunities are available.\nRegistration:  Entry is free and open to the public. Please register by Monday 19 March 2018 to louise.dodd@mq.edu.au
URL:https://hearinghub.edu.au/event/ahh-seminar-developmental-plasticity-of-the-deaf-brain/
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DTSTART;TZID=Australia/Sydney:20180226T000000
DTEND;TZID=Australia/Sydney:20180226T000000
DTSTAMP:20230518T131929Z
CREATED:20230518T131929Z
LAST-MODIFIED:20230518T131929Z
UID:13761-1519603200-1519603200@hearinghub.edu.au
SUMMARY:AHH workshop: Why and How to use MEG to study ...
DESCRIPTION:Presenter: Honorary Associate Professor Adrian KC Lee\nDate: Friday 23 March 2018\nTime: 9.30am – 12.30pm\nLocation: Level 3\, Room 3.610\, CCD\, Australian Hearing Hub \nAgenda:\n– 9.30am – 9.30am –  Welcome\n– 9.40am – 10.45am – Didactic: Why do we use MEG? Topics: What are we measuring (covering basics of MEG\, instrumentation\, and neurophysiology)? What are the different types of analysis techniques?\n– 10.45am – 11.00am – Break\n– 11.10am – 12.30pm – Discussion: How do we use MEG? Exploring different experimentation / analysis approaches to answer draw scientific inferences. \nBio: Adrian KC Lee is an Associate Professor in the Department of Speech & Hearing Sciences and at the Institute for Learning and Brain Sciences at the University of Washington\, Seattle\, USA. He obtained his bachelor’s degree in electrical engineering at the University of New South Wales and his doctorate at the Harvard-MIT Division in Health Sciences and Technology. Dr. Lee’s research focuses on developing multimodal imaging techniques to investigate the cortical network involved in auditory scene analysis and attention\, especially through designing novel behavioral paradigms that bridge the gap between psychoacoustics and neuroimaging research. \nPlease register by Monday 19 March 2018 to louise.dodd@mq.edu.au
URL:https://hearinghub.edu.au/event/ahh-workshop-why-and-how-to-use-meg-to-study/
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