Autism & Developmental

Clarifying the associations between language and social development in autism: a study of non-native phoneme recognition.

Constantino et al. (2007) · Journal of autism and developmental disorders 2007
★ The Verdict

Verbal school-aged kids with autism hear foreign speech sounds just like peers—so look past the ears when language lags.

✓ Read this if BCBAs assessing receptive language in fluent autistic learners.
✗ Skip if Clinicians serving non-verbal or preschool populations.

01Research in Context

01

What this study did

The team tested 20 verbal kids with autism and 20 typical kids. All were 8 to 14 years old and spoke English.

Each child listened to pairs of Hindi sounds that English speakers usually find hard. They pressed a button when the sounds were different.

The goal was to see if early reports of poor phoneme hearing in autism still held once kids had language.

02

What they found

Both groups got about 80 % right. The autism group was neither better nor worse.

The old idea that autism always brings lasting auditory trouble did not show up in these verbal school-age kids.

03

How this fits with other research

Russo et al. (2009) looked at brain waves while kids heard speech in quiet and noise. They found weaker brain responses even in quiet, which seems opposite. The key gap is method: Nicole used noisy classrooms and brain timing, while N et al. used clear headphones and simple button presses.

Reichard et al. (2019) tracked the same kids from and saw a small but steady vocabulary gap. That gap makes the null phoneme result surprising—receptive words lag a little, yet basic sound hearing does not.

Ni et al. (2025) switched from single sounds to tonal prosody in Mandarin. They still found autism-related trouble. Together the papers draw a line: raw phoneme hearing can be fine, but using pitch and stress for meaning may still need support.

04

Why it matters

If a verbal client mixes up similar words, do not assume their ears are broken. Check higher skills like prosody or vocabulary instead. Save auditory training time for goals that truly need it, and spend your minutes on social use of language.

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Swap auditory discrimination drills for prosody or meaning-based listening games.

02At a glance

Intervention
not applicable
Design
quasi experimental
Sample size
62
Population
autism spectrum disorder
Finding
null
Magnitude
negligible

03Original abstract

Autism spectrum disorders (ASDs) are characterized by correlated deficiencies in social and language development. This study explored a fundamental aspect of auditory information processing (AIP) that is dependent on social experience and critical to early language development: the ability to compartmentalize close-sounding speech sounds into singular phonemes. We examined this ability by assessing whether close-sounding non-native language phonemes were more likely to be perceived as disparate sounds by school-aged children with high-functioning ASD (n = 27), than by unaffected control subjects (n = 35). No significant group differences were observed. Although earlier in autistic development there may exist qualitative deficits in this specific aspect of AIP, they are not an enduring characteristic of verbal school-aged children with ASD.

Journal of autism and developmental disorders, 2007 · doi:10.1007/s10803-006-0269-9