Rough Beast

Rough Beast
Grifo Mecanico - Diego Mazzeo

Tuesday, November 15, 2011

I am a Bayesian Machine

Interesting TED Talk

Brains are for creating optimal movement. The telos of brains is movement.

for probability P, 0.0 < P < 1.0,
P(belief | sensory input) = P (sensory input | belief) X P (belief) / P (sensory input)

where P (sensory input | belief) = a prediction which must predict probability of different sensory feedback given my beliefs

The prediction of the probability of a belief given the sensory input
IS
the probability of a DIFFERENT sensory feedback given my belief (memory)
TIMES
the probability of the belief
DIVIDED BY
the probability of the sensory feedback

A belief or conjecture is the combination of DATA (sensory input) and Prior knowledge (memory)