Today Stickels is popular with business leaders, teachers and students for his presentations on having fun and success using an individual's mental flexibility.

For the academy, study trips are a crucial way of stimulating this mental flexibility.

A good crossword requires vocabulary, knowledge, mental flexibility and sometimes even a sense of humor to complete.

You lose a child's mental flexibility and learning capacity sooner.

High proficiency provides mental flexibility across all domains of thought and forces them to adopt strategies that accelerate cognitive development.

Martin, a bit more scientific in his analysis, says the 6-foot, 185-pound Diebel is so successful because of his physical elasticity and mental flexibility.

It was argued that this required a test of alertness, will, and mental flexibility, qualities central to modern life.

Only the rarest individuals retain sufficient mental flexibility to accept our presence.

It appeared that these people had a great deal of mental flexibility.

Christopher Gravett believes the earl was too defensive and lacked mental flexibility.