Associating resting-state connectivity with trait impulsivity
نویسندگان
چکیده
منابع مشابه
Associating resting-state connectivity with trait impulsivity
Psychometric research has identified stable traits that predict inter-individual differences in appetitive motivation and approach behavior. Behavioral Inhibition System/Behavioral Activation System (BIS/BAS) scales have been developed to quantitatively assess these traits. However, neural mechanisms corresponding to the proposed constructs reflected in BIS/BAS are still poorly defined. The ven...
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Increasing neuroimaging evidence suggests an association between impulsive decision-making behavior and task-related brain activity. However, the relationship between impulsivity in decision-making and resting-state brain activity remains unknown. To address this issue, we used functional MRI to record brain activity from human adults during a resting state and during a delay discounting task (...
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BACKGROUND Impulsivity is one crucial personality trait associated with various maladaptive behavior and many mental disorders. In the study reported here, we investigated the relationship between impulsivity and morphological connectivity (MC) between human brain regions, a newly proposed measure for brain coordination through the development and learning. METHOD Twenty-four participants' T1...
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Functional connectivity is a property of the resting state that may provide biomarkers of brain function and individual differences. Classically, connectivity is estimated as the temporal correlation of spontaneous fluctuations of BOLD signal. We investigated differences in connectivity estimated from the BOLD and CBF signal present in volumes acquired with arterial spin labeling technique in a...
متن کاملCore Concept: Resting-state connectivity.
In the early days of functional magnetic resonance imaging (fMRI), researchers mostly analyzed how brain areas responded to a stimulus, whether a light, a noise, or some sort of cognitive task. But as a graduate student at the Medical College of Wisconsin in Milwaukee, Bharat Biswal had an unusual request of his fMRI test subjects: climb into the scanner and do, well, nothing. Biswal expected t...
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ژورنال
عنوان ژورنال: Social Cognitive and Affective Neuroscience
سال: 2017
ISSN: 1749-5016,1749-5024
DOI: 10.1093/scan/nsx031