Cognitive complexity
| Cognitive psychology | 
|---|
| Perception | 
| Attention | 
| Memory | 
| Metacognition | 
| Language | 
| Metalanguage | 
| Thinking | 
| Numerical cognition | 
Cognitive complexity describes cognition along a simplicity-complexity axis. It is the subject of academic study in fields including personal construct psychology, organisational theory and human–computer interaction.