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Not a response to reward itself, but to information about reward
• More than predicted in ‘previous state’= increased activity; positive prediction error
• Less than predicted in ‘previous state’= reduced activity; negative prediction error
Invasive techniques
Electrode in the brain: while undergoing neurosurgery
Some applications
Diagnosis
Brain-Machine Interface
[ TH : Tyrosine Hydroxylase ]
Neural grafting, with stem cells
Deep-brain stimulation
Self-stimulation of subthalamic nucleus (in the basal ganglia): Patients with Parkinson’s disease can move their arms and legs again
Cutting-edge science:
microscopic level of analysis,using optogenetics
Use genetic markers to identify specific neurons in the living brain;Study their relation to behavior
Conclusion:
Lots of interesting work left...You should consider doing it...
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