Mental process crossword challenge

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Across
  1. 3. Association connecting two phenomena that have similar features.
  2. 4. Mental process of storing, preserving, and reproducing experience.
  3. 6. Concentration of consciousness on an object.
  4. 8. Passive attention caused by the novelty or force of an irritant.
  5. 11. A time-nervous connection forming the physiological basis of memory.
  6. 12. When attention is completely absorbed by one single object.
  7. 14. A fixedness of perception caused by knowledge of physical properties.
  8. 18. Simple association uniting phenomena connected in time or space.
  9. 20. Restoration of previously perceived information in the absence of the object.
Down
  1. 1. Keeping several objects in the center of attention simultaneously.
  2. 2. Process of active processing and ordering material in memory.
  3. 5. Process of preserving received impressions in memory.
  4. 7. The quantity of objects (7±2) covered by attention in a limited time.
  5. 9. Restoration of perceived objects during a repeated meeting.
  6. 10. Ability to perceive only subjects that represent a certain interest.
  7. 13. The duration of a concentration of attention on a specific object.
  8. 15. The intentional carry of attention from one object to another.
  9. 16. Changes in attention occurring with a frequency of 1 to 5 seconds.
  10. 17. The dependence of perception on a person's former experience.
  11. 19. Association that connects two opposite phenomena.