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Questions and Answers
What are the early insights regarding the hypothesis of the function of the posterior parietal cortex (PPC)?
The early insights suggest that the PPC is involved in receiving afferent signals descriptive of the position and movement of the body in space, and contains a command apparatus for the operation of the limbs, hands, and eyes within immediate extrapersonal space. It relates to acts aimed at certain behavioral goals and not to the details of muscular contraction during execution.
What is the memory-guided delay saccade task, and what did the study involving neurons recorded from area 5, LIP, and 7a aim to do?
The memory-guided delay saccade task aims to dissociate sensory from intention-related activity. The study involving neurons recorded from area 5, LIP, and 7a aimed to dissociate sensory from intention-related activity and explore the functional role of the PPC.
How did the pattern of activity in the dissociation task indicate the response observed in the single-movement saccade task?
The pattern of activity in the dissociation task indicated that the response observed in the single-movement saccade task reflected a covert arm movement plan.
What was the early characterisation of the PPC, and what did the early neurophysiology studies suggest about its function?
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