1. State of being free of tension
2. Understanding and sharing others' feelings
3. Focusing on a particular stimulus
4. Conscious knowledge or perception
5. Immediate understanding without reasoning
6. Neurological disorder causing seizures
7. Feeling of unease or worry
8. System of communication
9. Neurotransmitter associated with pleasure
9. Story-like thoughts during sleep
10. Acquiring knowledge or skills
10. Reasoning and rational thinking
11. Concentration on a specific task
12. Relating to movement or muscular control
13. Connection between neurons
14. Logical and rational thinking