ArticleJournal of neurophysiology2018
Clustering of heading selectivity and perception-related activity in the ventral intraparietal area.
Article in Journal of neurophysiology, 2018. 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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Who cites it
6 citing papers in PubMed.
- Differential clustering of visual and choice- and saccade-related activity in macaque V3A and CIP.Journal of neurophysiology · 2024Article
- From Multisensory Integration to Multisensory Decision-Making.Advances in experimental medicine and biology · 2024Review
- Neurons in Primate Area MSTd Signal Eye Movement Direction Inferred from Dynamic Perspective Cues in Optic Flow.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Receptor-driven, multimodal mapping of cortical areas in the macaque monkey intraparietal sulcus.eLife · 2020Article
- A Causal Role of Area hMST for Self-Motion Perception in Humans.Cerebral cortex communications · 2020Article
- Article
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4 authors.
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Abstract
The ventral intraparietal area (VIP) of the macaque brain is a multimodal cortical region, with many cells tuned to both optic flow and vestibular stimuli. Responses of many VIP neurons also show robust correlations with perceptual judgments during a fine heading discrimination task. Previous studies have shown that heading tuning based on optic flow is represented in a clustered fashion in VIP. However, it is unknown whether vestibular self-motion selectivity is clustered in VIP. Moreover, it is not known whether stimulus- and choice-related signals in VIP show clustering in the context of a heading discrimination task. To address these issues, we compared the response characteristics of isolated single units (SUs) with those of the undifferentiated multiunit (MU) activity corresponding to several neighboring neurons recorded from the same microelectrode. We find that MU activity typically shows selectivity similar to that of simultaneously recorded SUs, for both the vestibular and visual stimulus conditions. In addition, the choice-related activity of MU signals, as quantified using choice probabilities, is correlated with the choice-related activity of SUs. Overall, these findings suggest that both sensory and choice-related signals regarding self-motion are clustered in VIP. NEW & NOTEWORTHY We demonstrate, for the first time, that the vestibular tuning of ventral intraparietal area (VIP) neurons in response to both translational and rotational motion is clustered. In addition, heading discriminability and choice-related activity are also weakly clustered in VIP.
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