Eye patterns (also called eye accessing cues) in NLP Are Movements of the eyes in certain directions that indicate visual, auditory, self-talk or kinaesthetic thinking.
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In a normal conversation, the language is not limited and the context clear, so these training videos are to give you the areas they will access, so you can be more aware of the eye patterns during a therapeutic conversation, or a conversation where you wan to find out how they manage their inner worlds.
For a complete description, view Eye Accessing Cues.