It is designed to improve sound sensitivities and auditory processing, behavioral state regulation, and social engagement behaviors through specially filtered music that stimulates the vagus nerve.

The nervous system uses tone of voice as one way to determine safety. Different frequencies of sound communicate different information to the nervous system. Low frequencies are associated with sounds of life threat and danger, while high frequencies (like a siren wailing) communicate alert.

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The SSP trains the middle ear muscles to tune in to cues of safety signaled by the frequencies of the human voice, which stimulates the social engagement system through the neural network associated with listening. When the tone and prosody of the human voice can be better processed, it can provide signals of safety and calm to the nervous system. Suddenly, cues of safety exist in the voices of friends and family.

Once a sense of security is achieved, emotional resilience and nervous system regulation are possible.

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Trauma, chronic stress, and even a history of ear infections can retune the autonomic nervous system toward chronic states of defense (fight, flight, freeze, or collapse). An embodied sense of safety may feel unreachable when stuck in chronic security conditions. You may feel constantly on edge, anxious, easily triggered, on high alert, foggy, frozen, or shut down.

The SSP allows for the repatterning of neural networks and improved regulation of the autonomic nervous system for lasting change.