Original research article
by James Berryhill, 2024
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This paper explores the promising integration of Internal Family Systems (IFS) psychotherapy and neuroscience by examining how IFS techniques may recalibrate key brain networks implicated in trauma and well-being. Rooted in compassionate introspection and parts work, IFS offers a whole-person approach to psychological healing.
The key idea proposed is that cultivating the eight qualities of the IFS "Self" – calmness, curiosity, compassion, clarity, creativity, courage, confidence and connectedness – optimizes dynamic interactions between the default mode network (DMN) and task-positive network (TPN). The DMN supports reflective self-awareness and processing of autobiographical memories, while the TPN handles goal-directed cognition and external attention. Health relies on nuanced balancing of these anti-correlated networks, yet trauma commonly disrupts this balance.
Through its emphasis on establishing internal safety first, the theory suggests that IFS differs significantly from exposure therapies that may retraumatize by over-activating threat circuits without establishing internal safety. IFS instead fosters downward influence from cortical regions to regulate limbic reactivity. Parts work is posited to stimulate the DMN and access its integrative functions, while cultivating calm perspectives attenuates amygdala hypervigilance and related suppression of the DMN. Over time, these balanced changes in connectivity and activity may allow fragmented self-states to emerge safely and integrate.
The paper unpacks theorized mechanisms in an insightful yet accessible manner, representing a thoughtful contribution to our growing understanding of mind-body wellness from both clinical and scientific perspectives. It merits consideration by those seeking transdisciplinary foundations for innovative, evidence-informed therapies.