| A | B |
| brain chemical | substance that influences thoughts and emotions |
| conscious | aware; noticed |
| converge | to come together; to become similar |
| decade | period of 10 years |
| enable | to make something possible; to make it possible for someone to do something |
| entire | whole; complete |
| guaranteed | certain; reliable |
| homogeneous | similar |
| ideological | based on beliefs or ideas |
| implicit | understood, but not stated directly; indirect |
| logical | reasonable and sensible |
| manipulate | to handle, control, or move something |
| media | TV, radio and newspapers |
| promote | to draw support for; to try to get people to buy, use or do something |
| psychologist | a person who studies how the mind works |
| release | to let something go |
| retain | to keep; to save (especially in memory) |
| temporarily | for a short time |
| universal | worldwide |
| verbal | spoken; done with words |