Why do we nod yes and do we shake our heads to say no?
We express ourselves not only verbally with words but use our whole body to make something clear, this happens non-verbally with body language. This is the same as we want to say 'yes' or 'no' without words. In almost every country we shake our heads from left to right or right to left if we are talking about something that we are not agree with. In a non-verbal 'yes' we nod our heads from top to bottom. We do this almost unconsciously. But why do we do this, even with our advanced science we don't know. Why we shake 'yes' and 'no' according to Darwin Charles Darwin saw the no-shaking as a relic of the movements of a baby when it want to refuse food. The head then turns away from the breast or bottle. The modern science about the 'yes' and 'no' shake Modern scientists see the no shake a relic of a defensive reflex: averting the face from a threat. The nod is innate, and in this case you can compare it with a babay that latch ...