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imdfantom t1_izrk4vg wrote

>So is this why sobriety tests ask people to close their eyes and touch their nose?

Not exactly.

>If so, is there a connection between being intoxicated pSN?

No

>Or would it likely just be that your other senses that feed information into the pSN are impacted?

So accurate 3D maneuvering requires at least 2 out of 3 of the following senses working:

  • Sight ("eye balance")
  • Proprioception ("joint balance")
  • vestibular system ("ear balance")

Alcohol messes with how the brain handles system 3 (ear balance) among other things.

Now if you shut off system 1 (eye balance), you can only use proprioception to maneuver in 3D.

1 balance system is not enough to move in 3d accurately so you fail the test.

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equestrian123123 t1_izv52ir wrote

Would pSN be a factor if you have a good sense at catching things you didn’t “see” or having “quick senses” in the quick moments to responds to physical situations?

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