Psychology puzzle

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Across
  1. 2. — Responsible for feeling, imagining, thinking etc. (separate from the brain)
  2. 3. — Individual character and behavior patterns
  3. 5. — Person trained to help with emotional/mental issues
  4. 6. — Ability to feel other's feelings
  5. 7. — Behavior repeated regularly
  6. 9. — A neurotransmitter linked to happiness and pleasure
Down
  1. 1. — Feeling of intense sadness
  2. 2. — Drive to achieve goals
  3. 4. — Mental process of focusing on something
  4. 8. — A deep stage of sleep where dreams mostly occur