Figure 3. Instinctive fear-induced defensive responses evoked by the confrontation between Mus musculus and the South American Boidae snake Boa constrictor constrictor for 5 min in the polygonal arena of the complex labyrinth. Anxiety/fear-related responses: alertness (A), inhibitory avoidance (C), and stretch attend posture (E and F). Panic attack-like responses: freezing (B) and oriented escape (D) displayed by prey threatened by the rainbow Boidae Amazonian constrictor snake.
