ArticleFrontiers in integrative neuroscience2023
Neuronal activity in posterior parietal cortex area LIP is not sufficient for saccadic eye movement production.
Article in Frontiers in integrative neuroscience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Article
- Inhibition of return emerges with non-predictive spatial cueing of the stop-signal.Frontiers in human neuroscience · 2025Article
- SensoriMind-Trans Net: EEG and sensorimotor-driven transformer for athlete potential evaluation.Frontiers in psychology · 2025Article
- A Possible Neural Basis for Attentional Capture of Faces Revealed by Functional Magnetic Resonance Imaging and Causal Pharmacological Inactivation in Macaques.Journal of cognitive neuroscience · 2024Article
- Attentional spatial cueing of the stop-signal affects the ability to suppress behavioural responses.Experimental brain research · 2024Article
- Functional organization of posterior parietal cortex circuitry based on inferred information flow.Cell reports · 2024Article
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2 authors.
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Abstract
It is widely recognized that the posterior parietal cortex (PPC) plays a role in active exploration with eye movements, arm reaching, and hand grasping. Whether this role is causal in nature is largely unresolved. One region of the PPC appears dedicated to the control of saccadic eye movement-lateral intraparietal (LIP) area. This area LIP possesses direct projections to well-established oculomotor centers and contains neurons with movement-related activity. In this study, we tested whether these neurons are implicated in saccade initiation and production. The movement-related activity of LIP neurons was tested by recording these neurons while monkeys performed a countermanding task. We found that LIP neuronal activity is not different before the execution or the cancelation of commanded saccades and thereby is not sufficient for the initiation and production of saccades. Consistent with the evolutionarily late emergence of the PPC, this finding relegates the role of this PPC area to processes that can regulate but not trigger eye movements.
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