Which of the following theorists is considered a neo-Freudian?

The role that exposure to an environmental toxin can play in the underlying structure of a particular gene is an example of a(n) _________ mechanism.

Fill in the blank(s) with the appropriate word(s).

Phenas Gage had a

A) contusion. B) skull fracture. C) closed-head injury. D) penetrating head injury.