By Thomas M. O’Toole, Ph.D.
Reptile has become a popular topic of discussion for attorneys across the country, perhaps because folks like myself continue to write about it. Most of us have witnessed the fall-out, whether it be panicked pleas for feedback on defense forums or pre-trial motions to preclude “Reptilian” tactics. I’ve written extensively on defense strategies to counteract Reptile, but the more important question is whether or not defense attorneys should even worry about it in the first place.
If we focus on the science alone, this discussion quickly ends. Keenan and Ball claim to have derived their theory from the work of Paul MacLean, a neuroscientist who did most of his work in the 1950s, 1960s, and 1970s. MacLean proposed the triune theory of the brain, a three-component theory of the brain. One of those components, under MacLean’s theory, is the reptilian complex, which houses our survival instincts. Unfortunately for MacLean, contemporary research has shown that many of his assumptions and conclusions associated with the triune brain theory are wrong. Continue reading