
The impact of hearing impairment on overall language development
Written by: Lee Wing Yan, Speech Therapist at the Hong Kong Speech and Swallowing Therapy Centre In my work, I once encountered a 5-year-old child. Like other children of his age, he appeared well-behaved and polite. However, he had a distinctive feature that set him apart from his peers – he had a hearing aid in his left ear. He was a child with a hearing impairment. As the name suggests, hearing impairment is defined as a “disability caused by impaired hearing, ranging from mild to complete deafness.” Does hearing impairment only affect a child’s auditory perception? Understanding Surrounding Sounds to Build Concepts Consider this: before toddlers learn to articulate meaningful words, what ability do they possess? They engage in what we commonly refer to as “baby talk.” Now, what crucial step do toddlers take before mastering “baby talk”? It’s the ability to understand the sounds in their environment and establish concepts through interaction with sounds, including meaningful conversations with parents, nursery rhymes, etc. They learn to comprehend that different sounds represent different people, things, and objects, gradually understanding words and building language. Therefore, due to reduced and weaker sensory stimulation in the aspect of “hearing,” children with hearing impairment may experience delayed language development. Reduced Listening Experience and Difficulty Following Instructions Children with hearing impairment cannot fully receive external information through the sensory aspect of “hearing,” reducing opportunities for listening experiences and language exposure. As a result, they often exhibit inattentiveness, difficulty following instructions, and challenges in understanding








