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⚡ Arousal Regulation Simulation

Cycle: 0
Arousal Level: 0.50
Vigilance State: Relaxed
Cortical Activation: 0.50
Thalamic Gate: Open
Ascending Arousal System:
Multiple brainstem nuclei (LC, raphe, TMN, PPN/LDT) project to cortex and thalamus, promoting wakefulness. Orexin neurons in hypothalamus stabilize arousal states. The flip-flop switch between VLPO (sleep) and arousal centers creates bistable states.