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LIP seems to encode decision variables for saccade direction.

LIP projects to V1.

Activity in LIP is influenced by auditory stimuli.

Gottlieb et al. found that the most salient and the most task-relevant visual stimuli evoke the greatest response in LIP.

LIP and the FEF are usually connected to decision making.

FEF and LIP stimulation elicits saccadic eye and head movements.

Yang and Shadlen show that neurons in LIP (in monkeys) encode the log probability of reward given artificial visual stimuli in a wheather prediction task experiment.

Without an intact association cortex (or LIP), SC neurons cannot develop or maintain cross-modal integration.

(Neither multi-sensory enhancement nor depression.)

Important regions in the posterior parietal cortex (PPC) are

  • LIP
  • MIP
  • VIP

LIP is retinotopic and involved in gaze shifts.

LIP has been suggested to contain a saliency map of the visual field, to guide visual attention, and to decide about saccades.

Receptive fields in some LIP neurons shift just before a saccade to where their usual receptive field will be after the saccade.

LIP may be where anti-saccade targets are decided upon.

In the pop-out condition of a visual search task, Buschman and Miller found that neurons in the posterior parietal cortex region LIP found the search target earlier than neurons in frontal cortex regions FEF and LPFC.

In the pure visual search condition of a visual search task, Buschman and Miller found that neurons in frontal cortex regions FEF and LPFC found the search target earlier than neurons in the posterior parietal cortex region LIP.

Lateral intraparietal area (LIP) projects to intermediate layers of SC.