Auditory spatial localization: Developmental delay in children with visual impairments.
Blind kids lag on finding static sounds, so pause and let them locate your voice before giving next instructions.
01Research in Context
What this study did
Cappagli et al. (2016) asked kids to point to where a sound came from. The team tested children with visual impairments and sighted peers.
They used simple static beeps. No pictures, no moving sounds. Just left, center, or right speakers.
What they found
The blind group got the direction wrong far more often. The gap shrank as kids got older, but the delay was clear.
In plain words: young blind children need extra time to learn where sounds live in space.
How this fits with other research
Lanza et al. (2024) scoping review pools 69 studies and shows the same pattern. Visual loss lowers many skills, not just sound work.
Carati et al. (2024) found a different group—kids with dyscalculia—also struggle with auditory timing. Both papers flag auditory gaps, but for unlike reasons.
Ni Chuileann et al. (2013) saw speech-perception deficits in dyslexia. Together these studies warn us: poor hearing scores can look the same across diagnoses, so always check vision status first.
Why it matters
If you test receptive language or give auditory cues, remember that blind kids may miss where the voice is coming from. Start with short, clear signals and let them explore the room. Do not assume adult blind norms fit children; give them time and repeated practice before you score "failure."
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02At a glance
03Original abstract
For individuals with visual impairments, auditory spatial localization is one of the most important features to navigate in the environment. Many works suggest that blind adults show similar or even enhanced performance for localization of auditory cues compared to sighted adults (Collignon, Voss, Lassonde, & Lepore, 2009). To date, the investigation of auditory spatial localization in children with visual impairments has provided contrasting results. Here we report, for the first time, that contrary to visually impaired adults, children with low vision or total blindness show a significant impairment in the localization of static sounds. These results suggest that simple auditory spatial tasks are compromised in children, and that this capacity recovers over time.
Research in developmental disabilities, 2016 · doi:10.1016/j.ridd.2016.02.019