Frontal Lobe Fail

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“Scientists long believed that the brain signals for those and related movements originated from motor areas in the frontal lobe of brain, which control voluntary movement.  But that may not always be true”  It’s probably the posterior parietal cortex

posterior-parietal-cortex

“A new brain pathway has been identified…that could underlie our ability to make the coordinated hand movements needed to reach out and manipulate objects in our immediate surrounding”  

“…multiple pathways for controlling hand movement from the frontal lobe and the PPC could work together to execute one complex hand task or could work in parallel to speed up movement, much like multiple processors in a computer can enhance efficacy.”

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