This case study explores the therapeutic application of sound-focused interventions—specifically Solfeggio frequency exercises integrated with the Tomatis Method—as a means of enhancing auditory processing, vocal flexibility, rhythmic coordination, and emotional regulation in a child diagnosed with Level 1 Autism Spectrum Disorder (ASD). Grounded in neurodevelopmental and music therapy frameworks, the intervention utilized structured vocal and rhythmic activities involving varying tempos, time signatures, and pitch ranges to stimulate auditory-motor pathways and improve sensory integration. Over the course of therapy, the client demonstrated notable improvements in sustained vocal attention, pitch discrimination, rhythmic imitation, and self-regulation of emotions. Enhanced auditory-motor connectivity and increased engagement in social communication were also observed. These findings support the growing evidence for the effectiveness of music- and frequency-based interventions in addressing sensory and communicative challenges in children with ASD. The study highlights the potential of auditory therapies to complement traditional approaches and calls for further empirical research using controlled designs and larger sample sizes to validate these promising outcomes.
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- PhD, RPsy, LPT Josephine Manapsal (Autor), 2025, The Sound of Potentiality. A Pilot Case Study on Solfeggio Frequency Therapy and Auditory Responsiveness in a Child with Level 1 Autism, Múnich, GRIN Verlag, https://www.grin.com/document/1593850
