What does the line indicated by the arrow in the following phase diagram represent? 
Definitions:
Accelerated Cognitive Development
A faster-than-average rate of growth in mental capabilities during childhood.
Assimilation
The process of taking in new information into our previously existing schemas.
Accommodation
A cognitive process in Piaget's theory, where existing mental schemas are modified or new ones created in response to new information.
Clinical Method
A systematic approach in the medical field for diagnosing, treating, and observing patients.
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