Courtenay’s research focused on how our senses of hearing and touch integrate with one another. Her work can be used to develop tactile aids for increasing the understandability of speech: particularly important for cochlear implanted or hearing impaired individuals when in a noisy environment and for individuals with sensory integration issues (such as autistic children). Courtenay is continuing her research on how humans integrate sound and touch, looking at the neural correlates of perception through non-invasive imaging and exploring its implications in cortical plasticity and language acquisition.