Neurophysiological Synchrony Between Children With Severe Physical Disabilities and Their Parents During Music...

Area of Science:

• Neuroscience
• Developmental Psychology
• Music Therapy

Background:

• Physiological synchronization is linked to empathy in relationships.
• Limited research exists on interbrain synchrony in non-speaking children with severe disabilities and their caregivers.

Purpose of the Study:

• To investigate interbrain synchrony between non-speaking children with severe motor impairments and their parents during music therapy.
• To explore the cognitive-emotional coupling and its changes over time within child-parent dyads.

Main Methods:

• Observational study of 10 child-parent dyads.
• Electroencephalography (EEG) recorded during 15-minute music therapy sessions.
• Analysis of spectral coherence and Granger causality in frontal brain regions (β and low γ frequencies).

Main Results:

• Significant child-parent interbrain synchrony found, particularly between right frontal child and left frontal parent regions.
• Bidirectional Granger influences detected between child and parent in β and low γ bands.
• Coherence and Granger influences increased over the music therapy session duration.

Conclusions:

• Music therapy facilitates a responsive cognitive-emotional coupling between non-speaking children with severe disabilities and their parents.
• Findings support further investigation into the socio-empathic capacity and relationships in these dyads.
• Interbrain synchrony may be a valuable indicator of interpersonal connection in this population.