Effects of a dolphin interaction program on children with autism spectrum disorders: an exploratory research
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Updated: May 22, 2026

Electroencephalographic Signal Acquisition Framework for Neurodiverse: A Case Study of Dolphin-Assisted Therapy
Published on: June 27, 2025
Emílio Salgueiro1, Laura Nunes, Alexandra Barros
1Unidade de Investigação em Psicologia e Saúde, ISPA - Instituto Universitário, Lisbon, Portugal. emilioeduardo.salgueiro@gmail.com
Background:
Interaction programs involving dolphins and patients with various pathologies or developmental disorders (e.g., cerebral palsy, intellectual impairment, autism, atopic dermatitis, post-traumatic stress disorder, depression) have stimulated interest in their beneficial effects and therapeutic potential. However, the true effects observed in different clinical and psycho-educational setups are still controversial.
Results:
An evaluation protocol consisting of the Childhood Autism Rating Scale (CARS), Psychoeducational Profile-Revised (PEP-R), Autism Treatment Evaluation Checklist (ATEC), Theory of Mind Tasks (ToM Tasks) and a custom-made Interaction Evaluation Grid (IEG) to evaluate behavioural complexity during in-pool interactions was applied to 10 children diagnosed with Autism Spectrum Disorders. The ATEC, ToM Tasks and CARS results show no benefits of the dolphin interaction program. Interestingly, the PEP-R suggests some statistically significant effects on 'Overall development score', as well as on their 'Fine motor development', 'Cognitive performance' and 'Cognitive verbal development'. Also, a significant evolution in behavioural complexity was shown by the IEG.
Conclusions:
This study does not support significant developmental progress resulting from the dolphin interaction program.
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Autism Spectrum Disorder
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
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