The prefrontal cortex enables us to plan, to innovate, to solve complex problems, to think abstract thoughts, to have visionary ideas.

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Today nearly everyone has come to think of money as abstract--an entry on a money market fund statement, for example.

FORBES: Magazine Article

But I think probably more importantly, it's the abstract idea of an ultimate authority figure, and to date I think we haven't changed out perception of that person from male to female, or without gender.

NPR: Marin Alsop Takes over Baltimore Symphony

That's far more important than trying to discover one's passion in the abstract, especially when there hasn't been a spare minute to think about any of this for years.

WSJ: The Experts: How to Avoid Retirement Boredom

One type prides himself in being able to think and speak in a logical, rational, linear, detailed, abstract and conceptual manner.

FORBES: An Experts Dilemma -Media Training

She also prides herself in her ability to think and speak in a logical, rational, linear, detailed, abstract and conceptual manner.

FORBES: An Experts Dilemma -Media Training