Conversation so far:
What is the Primacy of Perception?
The slogan of Husserl's phenomenology is "all consciousness is consciousness of something".
When did Merleau_Ponty write Primacy of Perception?
CANNOTANSWER.
Where was Merleau_ponty develop or introduce primacy of Perception?
Merleau-Ponty wanted to show, in opposition to the idea that drove the tradition beginning with John Locke.

Question: What does Merleau-Ponty think about consciousness?
Self-contained rewrite: What does Maurice Merleau-Ponty think about consciousness?