How to use the three brains model in real time during negotiation
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Preparing a pitch is only half the work. The other half is noticing when the decision maker changes layers during the conversation. An objection can move the discussion from technical feasibility to personal risk in seconds.
Listen to the question behind the question
A question about timing may be technical, but it can also hide fear of exposure. A question about who already uses the solution may be market research or a search for social validation.
Change the order when needed
If the decision maker returns to risk, go back to the Survival Anchor. If resistance is social, return to Tribal Validation. If both are solved, move to Rational Justification.
Use the 3 Vs as a diagnosis
Mentally ask whether your answer contains Vision, Validation, and Veracity. This prevents the reflex of answering every objection with more data when the real problem sits in another layer.
Deepening the decision-maker read
The most important point in How to use the three brains model in real time during negotiation is turning an abstract idea into an operational read. In a real conversation, decision-makers rarely state directly what they are trying to protect. They may ask for more data while actually worrying about risk, exposure, loss of control, or their ability to defend the decision in front of others.
Use the framework as an attention map. Instinctive, social, and rational signals can appear at the same time. The goal is not to label a person, but to notice which concern is dominating the moment and adjust the order of the message.
The useful question is not “which brain is this person?”. It is “what does this person need to feel, validate, and prove before moving forward?”.
How to apply it in practice
Before answering an objection, identify the layer where it is likely originating. A financial objection may hide fear of losing control. A technical objection may be a socially acceptable way to avoid exposure. When you identify the likely origin, the response becomes shorter, more specific, and more coherent.
Diagnostic questions
What does the decision-maker seem to be protecting right now?
What personal, operational, or reputational risk sits behind the question?
What social proof would reduce the fear of being wrong alone?
What concrete evidence turns perceived safety into technical justification?
What next step allows progress without sharply increasing perceived risk?
Message sequence
Open with the dominant concern, using language close to the decision-maker’s reality.
Show that the choice is defensible in their professional and social context.
Only then present numbers, ROI, timeline, architecture, or technical evidence.
Close with a simple, clear next step that is reversible when possible.
This discipline improves the pitch because it reduces information overload. Instead of dumping arguments, you organize the conversation in the order the decision-maker can process and defend it.
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