EFTA01038819.pdf
dataset_9 pdf 99.1 KB • Feb 3, 2026 • 2 pages
From: Joscha Bach
To: Jeffrey Epstein <jeevacation@gmail.com>
Subject: Re: Emotion as deception
Date: Sat, 09 Jun 2018 10:14:03 +0000
Emotional expression itself is not necessarily deceptive, but I think that its differentiation may have evolved out
of the best way to hack the mind of the observer.
I have noticed that Aino (the only member of my family with excellent empathetic perception) has launched a
series of experiments where she first aggravates her victim and then tries to hack them into thinking that she is
angelic and kind. It usually works even if we know what's going on. I find it fascinating that she can hack the
way we perceive her emotional state, even if we know what her actual state is.
On Jun 9, 2018, at 6:09 AM, jeffrey E. <jeevacation@gmail.com> wrote:
, game theory without matrix rotation that allows for diffferent perspective s not useful. smiles are
honest signals. in general . diffictul to fake well. doable. but .... japanesee culture figured it outk smiling
all thet time.
On Fri, Jun 8, 2018 at 7:25 PM Joscha Bach < wrote:
Dear Jeffrey,
Recently, I realized that emotional expression did not evolve as a readout of the mental states of people, but
via adversarial deception. As soon as people (or social animals) started to evolve the ability to infer the
attitudes and mental configurations of others by observing their posture, gaze and face, the observed ones
evolved the ability to game that modeling. Emotional expression is a hack on emotion recognition. In turn,
the observers evolved the ability to take this into account, and now expected that certain emotional states
would be accompanied with default expressions, and have to look for the subtle deviations from the
defaults if they wanted to infer the actual mental state. The result arms race is probably what is responsible
for the expression archetypes.
I wonder if it is possible to simulate the adversarial evolution of emotional expression in a game theoretic
setting. (I thought you might like the idea that useful differentiation of communication may have evolved
from deception.)
Unrelated: The Science of Consciousness Conference folks have published a short interview, this time with a
better shirt: https://youtu.behnkROHIQ1Di0?t=13m33s
Also, the IRS has written a letter demanding to get paid; could we please do something about that?
Bests,
Joscha
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