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Updated: Jul 1, 2025

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
Published on: April 22, 2015
The challenges for early intervention and its effects on the prognosis of autism spectrum disorder: a systematic
Jackson Frederico Pires1, Caroline Cajuela Grattão1, Regiane Maria Ribeiro Gomes2
1Universidade Nove de Julho, Faculdade de Medicina, Bauru SP, Brazil.
Abstract:
Autism spectrum disorder (ASD) is expressed with neurobehavioral symptoms of different degrees of intensity. It is estimated that, for every three cases detected, there are two cases that reach adulthood without treatment.
Objective:
To establish what challenges are still present in the implementation of early intervention (EI) and its effects on the prognosis of ASD.
Methods:
A systematic review using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (Prisma) methodology was carried out in the PubMed and ScienceDirect databases in January 2023. The search keywords were "autism spectrum disorder", "early intervention" and "prognosis".
Results:
Sixteen studies were included, two randomized and 14 non-randomized. Knowledge about the signs of ASD, diagnostic and therapeutic methods, age at the start of treatment, and socioeconomic factors were the main challenges encountered in the implementation of the EI.
Conclusion:
EI is capable of modifying the prognosis of ASD and challenges in its implementation persist, especially in developing regions with low socioeconomic status.
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