During the time period of 12–18 months of age, a toddler learns to speak ____ new words per week

A correlation is considered to be negative if:

there is no instance of a positive correlation. both variables increase or decrease together. one variable increases while the other variable decreases. no connection between the two variables is seen.

The ________ is the part of the brain that is involved with the formation and consolidation of memories associated with fear and other emotions

a. prefrontal cortex b. amygdala c. frontal lobes d. cerebral cortex