"Dexter" Season 5, Episode
Lumen: I just had a feeling. Some sort of lizard brain thing.
Dexter: She's starting to sound
"Dexter" Season 7, Episode
Deb: How do you know
he'll kill again?
Dexter: An alarm
is going off inside
my lizard brain.
"Fool Moon - The Dresden Files, Book 2" Chapter
"I could have sworn
I saw her face start to change, her bared teeth
begin to grow into fangs. Maybe that was just the effect of the magic on my perceptions, though, or a primitive, lizard-brain sort of reaction to Tera rising to her feet and charging toward me with a howl. There was murder in her eyes. I hadn’t gotten beaten up twice, shot, and nearly strangled to get taken out by a misguided werewolf bitch."