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Early speech therapy intervention in children with Autism Spectrum Disorder.

Heloisa Adhmann Ferreira¹, Paula Mello Pacheco¹, Thais Helena Ferreira Santos¹

¹Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Faculdade de Medicina, Universidade de São Paulo - USP - São Paulo (SP), Brasil.

|August 6, 2025

Summary

Speech therapy using the DIR/Floortime model significantly improved social communication in young children with Autism Spectrum Disorder (ASD). The intervention enhanced communicative acts and engagement, highlighting the interconnectedness of social skills for children with ASD.

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Area of Science:

Developmental Psychology
Clinical Psychology
Speech-Language Pathology

Background:

Autism Spectrum Disorder (ASD) presents significant challenges in social communication development.
Early intervention is crucial for improving outcomes in young children with ASD.
The DIR/Floortime model offers a developmental, relationship-based approach to intervention.

Purpose of the Study:

To evaluate the effectiveness of speech therapy intervention based on the DIR/Floortime model for early childhood Autism Spectrum Disorder.
To analyze changes in social communication skills in children with ASD following DIR/Floortime intervention.

Main Methods:

A longitudinal, quantitative, prospective study involving direct and indirect intervention.
Target population: Children up to 3 years and 11 months with atypical language development and ASD.
Intervention: 24 speech therapy sessions using the DIR/Floortime model, plus assessments.

Main Results:

Twenty children completed the study (average age 29-36 months).
Significant increase in communicative acts (0.8) and occupation of communicative space (6.66%).
Positive correlation between intentional two-way communication and communication rate.

Conclusions:

DIR/Floortime intervention shows statistically significant improvements in social communication for children with ASD.
Social communication skills are interconnected and require a holistic, individualized approach.
The study underscores the importance of tailored interventions for children with ASD.