__________ theorized that cognitive development occurs in a series of abrupt stages

After being given a series of tests by his physician, a 50-year-old gets a summary score ranking him at the 90th percentile, health-wise, for his age. What is a legitimate conclusion?

a) This person is not taking care of his health. b) This person's cognitive performance has declined more than the average adult his age. c) This person has a job that requires little interaction with others. d) The measure tapped allostatic load.

The earliest inquiry into the mind and how it works was performed by Greek philosophers as far back as the fifth century BC

Indicate whether this statement is true or false.