What specific physiological sensations and biological markers differentiate the freeze response of ADHD paralysis from anxiety or burnout?

Distinguishing between these states requires observing the underlying neurological drivers. ADHD paralysis is primarily a dysfunction of executive function and dopamine regulation. It often manifests as a cognitive disconnect where the brain cannot prioritize tasks, leading to a state of mental stagnation despite a desire to act. You may feel a sense of heavy mental fog or a complete inability to initiate a single movement, yet your heart rate may remain relatively stable.

In contrast, anxiety is driven by the sympathetic nervous system. This is characterized by a heightened fight or flight response, including increased heart rate, shallow breathing, and muscle tension. While ADHD paralysis is a failure of task initiation, anxiety is an active state of perceived threat.

Burnout is a systemic state of exhaustion resulting from prolonged chronic stress. Biologically, it involves dysregulation of the HPA axis and sustained elevated cortisol levels. Unlike the acute, task-specific freeze of ADHD, burnout manifests as profound physical lethargy, emotional detachment, and a pervasive sense of depletion that persists regardless of specific task complexity.