Materialism › Neurobiological
Morsella’s Passive Frame for Action Conflict Resolution
Consciousness as a Passive Frame for Skeletomotor Conflict
Ezequiel Morsella’s Passive Frame Theory gives phenomenal consciousness one narrow job: it provides a common field in which separate, encapsulated brain systems can jointly constrain the skeletal muscles when their action tendencies conflict. Consciousness computes, decides, and initiates nothing; unconscious processes build its contents and select the response. It is ‘passive’ because its only contribution is making conflicting action-relevant contents available together to the action system.
Ezequiel Morsella
What consciousness is
Morsella defines consciousness by what it is for: a continuously updated frame of contents that lets otherwise independent systems influence one shared output channel, the skeletal muscles.
Mind and body
Conscious states are products of unconscious neural content generators. The theory addresses function and leaves the neural implementation, and the interpretation of what consciousness is, open.
Mechanism
Supramodular interaction: when two or more systems prescribe incompatible actions through the same skeletal muscles, their contents enter one frame, and together they constrain action in a way no single module could. Morsella compares the skeletomotor system to one steering wheel with many drivers.
Core claims
- Holding one’s breath underwater, suppressing a pain-withdrawal reflex, or eating unpalatable food produce vivid experience because incompatible skeletomotor tendencies are in play.
- One can easily refrain from reaching for food while fasting but cannot easily suppress the desire for it, which Morsella treats as evidence of the frame’s passivity.
- Externally triggered involuntary cognitions show that contents enter the frame without being chosen.
- Free will as conscious authorship of action does not exist, yet consciousness is not epiphenomenal.
Criticisms
Animals without skeletal muscle seem to pose a problem, and Franz asks how the frame relates to response-selection bottleneck accounts of attention. Critics dispute whether the theory covers affect, imagery, and thought, and argue it addresses access rather than phenomenality.
Implications
- Survival beyond death: No
- Since consciousness here is a frame produced by unconscious neural generators to serve skeletal action, it ends with the nervous system that produces it.
Related theories
- Gray’s Brain-Built World-Model: Qualia, Comparators, Late-Error Detection (Influence)
- Merker’s Midbrain-Centered Reality Space (Influence)
- Baars's and Dehaene's Global Workspace Theory (Contrast)
- Sapolsky's Hard Incompatibilism (Compatible)
Sources
- The Function of Phenomenal States: Supramodular Interaction Theory, Ezequiel Morsella (2005)
- Homing in on Consciousness in the Nervous System: An Action-Based Synthesis, Ezequiel Morsella, C. A. Godwin, T. K. Jantz, S. C. Krieger and A. Gazzaley (2016)
- Passive Frame Theory: A New Synthesis, Ezequiel Morsella, C. A. Godwin, T. K. Jantz, S. C. Krieger and A. Gazzaley (2016)
- The Unconscious Mind, J. A. Bargh and Ezequiel Morsella (2008)
- Externally Controlled Involuntary Cognitions and Their Relations with Other Representations in Consciousness, D. Cushing, A. Gazzaley and Ezequiel Morsella (2017)
- How Does Consciousness for Action Relate to Attention for Action?, E. A. Franz (2016)
- Consciousness: Creeping Up on the Hard Problem, J. A. Gray (2004)
- Consciousness without a Cerebral Cortex, B. Merker (2007)