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Luke Zhao, who will soon graduate with a听Bachelor of Engineering (Adv) (Bioelectronics)/Bachelor of Science (Adv) (Neuroscience) degree wants to help deliver higher quality tonal recognition and musical sounds to people using the cochlear implant devices.

An accomplished classical musician and piano teacher, Luke felt compelled to help those living with hearing impairment access the most beautiful sounds possible.

鈥淭he world-recognised cochlear device has 80 percent speech perception. But for speech perception with tonal languages, such as Mandarin, it鈥檚 less of a success story.

听鈥淲e also know people who have damaged cochlea and are recipients of cochlear implants would like to enjoy the sounds music.

Luke, who has worked as a summer intern at Cochlear, says:

鈥淭he ear is a wondrous instrument made up of tens of thousands of components, capable of performing extremely sophisticated auditory tasks.

鈥淭wo normally functioning ears allow us to make extremely accurate decisions about the exact location of a sound source.

鈥淗igher order processing allows us to decipher complex auditory inputs, such as speech against noisy backgrounds, or the nuanced interplay of pitch, melody, harmony, texture and timbre in music.

鈥淲hen all aspects of the human ear are considered, the ear is far more complex and sophisticated in design and function than any auditory apparatus that current technology has so far allowed us to develop.

鈥淐ochlear implants aren鈥檛 like hearing aids that make sounds louder. The device does the work of the damaged inner ear or the cochlea which provides sound signal to our brains.鈥�

, who supervised Luke鈥檚 thesis project, says his work investigated the cochlear implant-neural interface to better understand sound perception in Cochlear implant recipients.

鈥淗e built on the work of previous researchers who modelled the anatomy of a human head with an implanted cochlear device. Luke extended this work bridging the anatomy and tissue property of the cochlear to the neural response.鈥�

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Luke has been invited to present the findings of his thesis research to the International Medical Bionics 2016 Conference in Brisbane Monday 21^st November. The conference brings together eminent and early career researchers, engineers, clinicians and industry representatives working in the field of medical bionics.