Diamond hypothesized that perseverative errors occur in infants between 7 and 12 months because the not fully developed during this period.

The correct answer is prefrontal cortex is

The prefrontal cortex provides functions related to:

- Attention

- Judgment

- Perseverance

- Pulse control

- Organization

- Self-monitoring

- Problem solving

- Critical thinking

- Anticipation

- Learning from experience

- Feel and express emotions

- Interaction with the limbic system

- Empathy

protectionism fosters competition and keeps price regulated is not an argument in favor of protectionism.