ArticleNature communications2023
Low-dimensional encoding of decisions in parietal cortex reflects long-term training history.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Frontal Eye Field Leads a Distributed Oculomotor Circuit for Abstract Categorical Decisions.bioRxiv : the preprint server for biology · 2026Article
- How distributed is the brain-wide network that is recruited for cognition?Nature reviews. Neuroscience · 2026Review
- Orthogonal-Rotational Dynamics Supports Efficient Encoding and Updating for Streaming Information in Working Memory.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Computational and Neuronal Basis of Visual Confidence.Annual review of vision science · 2025Review
- Global and local origins of trial-to-trial spike count variability in visual cortex.bioRxiv : the preprint server for biology · 2025Article
- Stimulus representation in human frontal cortex supports flexible control in working memory.eLife · 2025Article
- Multiplexing of cognitive encoding by oculomotor networks leads to incidental gaze shifts.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Article
- Neural population dynamics underlying evidence accumulation in multiple rat brain regions.eLife · 2024Article
- Flexible multitask computation in recurrent networks utilizes shared dynamical motifs.Nature neuroscience · 2024Article
- Article
- Posterior Parietal Cortex Plays a Causal Role in Abstract Memory-Based Visual Categorical Decisions.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Article
- Neural correlates of the sound facilitation effect in the modified Simon task in older adults.Frontiers in aging neuroscience · 2023Article
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2 authors.
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Abstract
Neurons in parietal cortex exhibit task-related activity during decision-making tasks. However, it remains unclear how long-term training to perform different tasks over months or even years shapes neural computations and representations. We examine lateral intraparietal area (LIP) responses during a visual motion delayed-match-to-category task. We consider two pairs of male macaque monkeys with different training histories: one trained only on the categorization task, and another first trained to perform fine motion-direction discrimination (i.e., pretrained). We introduce a novel analytical approach-generalized multilinear models-to quantify low-dimensional, task-relevant components in population activity. During the categorization task, we found stronger cosine-like motion-direction tuning in the pretrained monkeys than in the category-only monkeys, and that the pretrained monkeys' performance depended more heavily on fine discrimination between sample and test stimuli. These results suggest that sensory representations in LIP depend on the sequence of tasks that the animals have learned, underscoring the importance of considering training history in studies with complex behavioral tasks.
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