ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2024
Laminar Dynamics of Target Selection in the Posterior Parietal Cortex of the Common Marmoset.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 6 citations in OpenAlex.
- Marmoset Anterior Cingulate Area 32 Neurons Exhibit Responses to Presented and Produced Calls during Naturalistic Vocal Communication.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- A ubiquitous spectrolaminar motif across independent studies, including Mackey et al.'s own data.bioRxiv : the preprint server for biology · 2025Article
- Modeling saccade reaction time in marmosets: the contribution of earlier visual response and variable inhibition.Frontiers in systems neuroscience · 2024Article
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Authors and funding
3 authors at 1 institution in 1 country.
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Abstract
The lateral intraparietal area (LIP) plays a crucial role in target selection and attention in primates, but the laminar microcircuitry of this region is largely unknown. To address this, we used ultra-high density laminar electrophysiology with Neuropixels probes to record neural activity in the posterior parietal cortex (PPC) of two adult marmosets while they performed a simple visual target selection task. Our results reveal neural correlates of visual target selection in the marmoset, similar to those observed in macaques and humans, with distinct timing and profiles of activity across cell types and cortical layers. Notably, a greater proportion of neurons exhibited stimulus-related activity in superficial layers whereas a greater proportion of infragranular neurons exhibited significant postsaccadic activity. Stimulus-related activity was first observed in granular layer putative interneurons, whereas target discrimination activity emerged first in supragranular layers putative pyramidal neurons, supporting a canonical laminar circuit underlying visual target selection in marmoset PPC. These findings provide novel insights into the neural basis of visual attention and target selection in primates.
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