Henshilwood says this symbolic behavior is what set humans apart.

CNN: African roots of the human family tree

An integrated pattern of human knowledge, belief, and behavior that depends upon the capacity for symbolic thought and social learning.

FORBES: Tata's Revelation Highlights India's Culture Of Corruption

The fresh sanctions that are being announced today by the Treasury Department, are these actually meant to be behavior-changing or are they largely symbolic to only the ones that pertain to Hezbollah?

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,