You are inside the central nucleus of the amygdala, looking down at its outputs.
Movement
periaqueductal gray
Baseline locomotion
Heart rate
lateral hypothalamus
60 bpm
Cortical EEG
locus coeruleus
Synchronized slow waves
Each pathway produces one fragment of the response. Freezing, a racing heart, and heightened vigilance are separable outputs of a single nucleus, and together they are much of what we call fear.
