What does "mentation" mean?

Mental activity or mental state, including cognition or, more specifically, thinking.

Mentation

Common synonyms include: thinking, brainwork, cerebration, cognitive processing, cognitive status, conceit.

noun

noun ·Rare ·Advanced level

Noun

1
Mental activity or mental state, including cognition or, more specifically, thinking. countable, uncountable
"Recursive by nature, mentation wasn’t going to yield to measurement alone."
2
the process of using your mind to consider something carefully wordnet

"Recursive by nature, mentation wasn’t going to yield to measurement alone."