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A shift refers to a significant change or movement in a particular direction. In the context of our comprehension about the number of neurotransmitters present in humans, it signifies a notable alteration or transformation in our understanding.
An advancement refers to progress or improvement made in our understanding of a particular subject.
A paradigm shift represents a fundamental change in the way we perceive or approach something, resulting in an entirely new perspective.
Reevaluation: Reevaluation involves reassessing or reconsidering previously held beliefs or ideas based on new evidence or information.