"Deficiencies" in Human Information Processing

1. Limited attention

2. Limited memory (both long-term and short-term)

3. Limited cognitive resources ("time-sharing"), specifically under time pressure

4. Recognition is easy, recall is hard

5. Recognition is selective and task-driven

6. Slow and inaccurate when processing text

7. Vision is optimized to see structure

8. Frequent errors

9. Decisions are rarely rational, but based on "shortcuts" and prone to bias

Etc. etc.