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6 results for “ventromedial prefrontal cortex”
Theta oscillations coordinate grid-like representations between ventromedial prefrontal and entorhinal cortex
<p>This dataset contains iEEG neural recordings and behavior movement direction in a navigation task from human subjects undergoing inpatient monitoring for seizure localization. The experimental design, including an explanation of metrics of interest, is detailed in Chen et al (2018) <em>Current Biology</em> and Chen et al (2021) <em>Science Advances</em>. EXAMPLE electrode data from the vmPFC and EC ROIs are included. These data are used for grid-like modulation of theta power in vmPFC and EC.</p>
Theta oscillations coordinate grid-like representations between ventromedial prefrontal and entorhinal cortex
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Data from: The role of ventromedial prefrontal cortex in reward valuation and future thinking during intertemporal choice
<p>The paper investigates the effect of reward magnitude and episodic future thinking (EFT) cues on delay discounting (DD) in 12 patients with lesions to the ventromedial prefrontal cortex (vmPFC patients) and 41 healthy controls. In the Standard condition, participants viewed pairs of monetary amounts (of different magnitude) and were asked to make hypothetical choices between smaller-immediate rewards and larger rewards available after a delay. In the EFT condition, participants imagined personal events to occur at the delays associated with the larger-delayed rewards. We found that DD was steeper in vmPFC patients compared to controls, and not modulated by reward magnitude. However, EFT cues reduced DD in vmPFC patients as well as controls. </p> <p>This dataset reports individual and group data on the subjective value of small and large rewards at the different task delays, the resulting area under the curve (AuC), and the number of inconsistent choices during DD. </p> <p>A summary of the relevant variables and variable legenda is reported on the README file. </p>
Data from: The role of ventromedial prefrontal cortex in reward valuation and future thinking during intertemporal choice
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Ventromedial prefrontal cortex drives the prioritization of self-associated stimuli in working memory
<p><span>Humans show a pervasive bias for processing self- over other-related information, including in working memory (WM), where people prioritize the maintenance of self- (over other-) associated cues. To elucidate the neural mechanisms underlying this self-bias, we paired a self- vs. other-associated spatial WM task with functional magnetic resonance imaging (fMRI) and transcranial direct current stimulation (tDCS). Maintaining self- (over other-) associated cues resulted in enhanced delay-period activity in classic WM regions (frontoparietal cortex), and in superior multivoxel pattern decoding of the cue locations from visual cortex. Moreover, ventromedial prefrontal cortex (VMPFC) displayed enhanced functional connectivity with WM regions during maintenance of self-associated cues, which predicted individuals' behavioral self-prioritization effects. In a follow-up tDCS experiment, we targeted VMPFC with either excitatory (anodal), inhibitory (cathodal), or sham tDCS. Cathodal tDCS eliminated the self-prioritization effect. These findings provide strong converging evidence for a causal role of VMPFC in driving self-prioritization effects in WM.</span></p>
Ventromedial prefrontal cortex drives the prioritization of self-associated stimuli in working memory
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.