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Tammo Houtgast was trained as a physical engineer, and worked at the Human Factors Laboratory of the Dutch Organization for Applied Physical Research. In 1974 he received his PhD with a thesis on Lateral Suppression in Hearing. In the field of speech communication, he was involved in the development of the STI (Speech Transmission Index), i.e. modeling and predicting the effect of any speech transmission channel on speech intelligibility. Since 1994 he has been affiliated with the ENT department of the VU University Medical Center in Amsterdam, as professor of experimental audiology, working on speech reception by hearing impaired persons. His main interests are the relation between types of hearing impairment and the reduced intelligibility of speech in noise; signal-processing strategies for hearing aids to (partly) compensate for that impairment. He retired in 2006, but continues the scientific coordination of an extensive EU-funded project HearCom, aimed at improving the participation of hearing impaired persons in our modern communication society. |
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Sophia E. Kramer (Ph.D.) is a psychologist / senior researcher at the department of ENT/Audiology of the VU University Medical Center in Amsterdam. Her major research interests are in the psychological and social issues related to adult hearing impairment. She is involved in various (inter)national studies and publishes scientific papers on test development, training in aural rehabilitation, psychosocial effects of hearing loss, cognitive functions, self-report outcome measures and other methods of assessment. She is editorial board member of the International Journal of Qualitative Studies on Health & Wellbeing and fellow of the International Collegium of Rehabilitative Audiology (ICRA).
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