Which of the following is the correct order for the phases of prenatal development?

It is generally the case that most great scientists have their ground-breaking ideas when they are in early to middle adulthood, but rarely when they are older. What might explain this fact?

A) The brain shrinks with age. B) General intelligence declines steeply after middle adulthood. C) Fluid intelligence peaks in middle adulthood, and then declines in later life. D) Crystallized intelligence peaks in middle adulthood, and then declines in later life.

An emotionally arousing event will cause

a. people to repress the memory of the event. b. difficulties in retrieving the memory. c. interference with episodic memory, but not semantic memory. d. an enhanced ability to remember the event. e. long-term potentiation to diminish, thus increasing memory.