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Well, at least it wasn't psypost.

This is also a very useful technique for discovering Replicants.

What's up with psypost?

Low-quality studies presented with deceptive or inaccurate headlines, etc.

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What's a tortoise?

A new tool in the marketing scammers toolbox :-(

Y'know what a turtle is?

And this is exactly the kind of data Meta hopes to gather from users of its VR equipment.

Its called EMDR, therapists use it as a tool to unlock trauma by analyzing eye movements as a reaction to visual stimuli relating to past trauma

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EMDR = Eye Movement Desensitization and Reprocessing. Also works with sounds alternating through left and right headphones.

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This was discussed in nuerolinguistic programming many years ago

One day while elbow deep in whatever analysis I was doing, I had a boss walk in and yell at me that I have ten minutes to finish a resume update that was requested for Wednesday (it was Monday).

I was so surprised that I started immediately trying to imagine what in the world I could slap onto my resume in 10 minutes, and my eyes went from wideeyed shock and immediately started darting.

Then he yelled at me for "rolling my eyes."

He had never heard of darting eye movement as a result of intense thought.

I... don't miss him.

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Yeah, bring on the stick on phone camera covers.

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Putting "preference "eye tracking" " into Google Scholar confirms what I thought: many studies of this measurement technique already in the literature.

Have not read this paper, but the main idea is old and well established.

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No, seriously, their newer VR gear watches your eyes, what you look at in a scene and for how long, your pupil dilation… Meta could learn a lot about you by recording and processing this. For instance, there’s a scene of a young family. Do you look at the man, or the woman? Which parts? Or, god forbid, a child? See?