Download Neurons in the orbitofrontal cortex encode economic value File

Neurons in the orbitofrontal
cortex encode economic value
Camillo Padoa-Schioppa & John A. Assad
Nature. 2006 May 11;441(7090):223-6.
Background: Pick one
Introduction
• How does one choose among objects is still a
question.
– Economics value/utilities
– Mechanism of value assignment and the
subsequent work of integrating and comparison
– Neuron activities related to values of actions
Major Finding
• Able to identify neurons
of rhesus monkey in
– Encoding values of
offered choices
– Encoding values of
chosen objects
– Encoding the attributes
(tastes) of objects (juices)
Experiment Process
Results
Encoding the chosen values
Offered values and taste
• Remarks
– Independent of visuomotor contingencies of the
task
– Independent of the specifics of the good (juice
type, amounts)
• Cardinal vs. Ordinal utility