ArticleeNeuro
Threat Anticipation in Pulvinar and in Superficial Layers of Primary Visual Cortex (V1). Evidence from Layer-Specific Ultra-High Field 7T fMRI.
Article in eNeuro. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 37 citations in OpenAlex.
- Pulvinar Response Profiles and Connectivity Patterns to Object Domains.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Layer-specific, retinotopically-diffuse modulation in human visual cortex in response to viewing emotionally expressive faces.Nature communications · 2022Article
- Mapping of whole-cerebrum resting-state networks using ultra-high resolution acquisition protocols.Human brain mapping · 2022Article
- The primary visual cortex of Cetartiodactyls: organization, cytoarchitectonics and comparison with perissodactyls and primates.Brain structure & function · 2022Article
- Article
- Building a decoder of perceptual decisions from microsaccades and pupil size.Frontiers in psychology · 2022Article
- CEREBRUM-7T: Fast and Fully Volumetric Brain Segmentation of 7 Tesla MR Volumes.Human brain mapping · 2021Article
- New acquisition techniques and their prospects for the achievable resolution of fMRI.Progress in neurobiology · 2021Review
- The Role of the Thalamus in Post-Traumatic Stress Disorder.International journal of molecular sciences · 2021Review
- The functional role of the pulvinar in discriminating between objective and subjective cognitive impairment in major depressive disorder.Alzheimer's & dementia (New York, N. Y.)Article
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Authors and funding
8 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The perceptual system gives priority to threat-relevant signals with survival value. In addition to the processing initiated by sensory inputs of threat signals, prioritization of threat signals may also include processes related to threat anticipation. These neural mechanisms remain largely unknown. Using ultra-high-field 7 tesla (7T) fMRI, we show that anticipatory processing takes place in the early stages of visual processing, specifically in the pulvinar and V1. When anticipation of a threat-relevant fearful face target triggered false perception of not-presented target, there was enhanced activity in the pulvinar as well as in the V1 superficial-cortical-depth (layers 1-3). The anticipatory activity was absent in the LGN or higher visual cortical areas (V2-V4). The effect in V1 was specific to the perception of fearful face targets and did not generalize to happy face targets. A preliminary analysis showed that the connectivity between the pulvinar and V1 superficial-cortical-depth was enhanced during false perception of threat, indicating that the pulvinar and V1 may interact in preparation of anticipated threat. The anticipatory processing supported by the pulvinar and V1 may play an important role in non-sensory-input-driven anxiety states.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.