Examlex
For a fast (hypothetical) interstellar ship moving at v = 0.95c relative to stars, a distance of 10 ly between neighboring stars would measure
Arousing
Causing excitement or stimulation, either physically or emotionally.
Reticular Formation
The reticular formation is a network of neurons in the brainstem that plays a key role in controlling arousal and attention.
Alertness
A state of active attention and readiness to respond to stimuli or challenges presented.
Hypothalamus
A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, hunger, thirst, and other homeostatic systems.
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