Autism & Developmental

Developing Inner Speech to Help Autistic Individuals Improve Their Self-Regulation Ability: A Pilot Randomized-Controlled Trial.

Baumann et al. (2025) · Autism research : official journal of the International Society for Autism Research 2025
★ The Verdict

Eight brief Zoom lessons that coach autistic kids to talk to themselves cut parent-rated emotional meltdowns.

✓ Read this if BCBAs delivering telehealth to school-age autistic clients.
✗ Skip if Clinicians only seeing adults or in-person-only caseloads.

01Research in Context

01

What this study did

Fradet et al. (2025) tested Thinking in Speech (TiS) with autistic children. Parents joined eight half-hour Zoom lessons. They learned to prompt the child to "say it in your head" before upset moments. A wait-list group got no lessons until later.

The team looked at parent forms about mood swings and reactivity. The study ran in Taiwan and used simple Mandarin scripts kids could repeat silently.

02

What they found

Kids who got TiS showed clear drops on the dysphoria scale. Reactivity scores also moved down, but not as strongly. Remote lessons were enough to teach the self-talk trick.

03

How this fits with other research

Tanksale et al. (2021) also cut self-control problems in autistic 8- to 12-year-olds. They used yoga plus CBT ideas instead of inner speech. Both RCTs beat wait-list, showing different roads can reach the same goal.

Cheong et al. (2026) and Lindgren et al. (2020) prove telehealth works for autism. Pou-Leng used PRT for language. Lindgren used FCT to slash problem behavior by 98%. TiS now adds emotion control to that telehealth win list.

Zemestani et al. (2022) boosted emotion regulation with brain stimulation. TiS did the same with words alone. One tool uses electrodes, the other uses thoughts—practitioners can pick the path that fits their setting.

04

Why it matters

You can teach inner speech through a screen with no extra gear. Eight short parent-led lessons calmed mood swings better than waiting. If you run telehealth sessions, add TiS scripts to your toolkit. Start small: prompt "say it in your head" before tough transitions and watch the heat come down.

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→ Action — try this Monday

Pick one transition, prompt the child to whisper "I can wait for my turn" and fade to a silent lip cue.

02At a glance

Intervention
other
Design
randomized controlled trial
Sample size
22
Population
autism spectrum disorder
Finding
positive
Magnitude
medium

03Original abstract

Some autistic children often have difficulty regulating their emotions. This pilot study evaluated the effectiveness of an intervention to reduce emotional dysregulation by developing inner speech in autistic children. The therapy is called Thinking in Speech (TiS). Nine certified speech-language pathologists were trained remotely. They, in turn, remotely administered TiS to 22 autistic children. Participating children were randomly assigned to either a therapy immediate or a waitlist control condition. Both groups received sixteen 30-min therapy sessions over 8-10 weeks. Parents rated the amount of emotional dysregulation on three measures before the intervention and after the sixteen 30-min therapy sessions. Results showed significant results on the Emotion Dysregulation Inventory-Dysphoria Scale (F = 5.49, n = 11, p = 0.008), and marginally significant results on the Emotion Dysregulation Inventory Index Regulation Index-Reactivity Scale (F = 2.57, n = 11, p = 0.089). Such findings suggest a potential impact of developing inner speech to reduce emotion dysregulation in autistic children.

Autism research : official journal of the International Society for Autism Research, 2025 · doi:10.1002/aur.70053