Concepts Magn. Reson.
 2000
DOI: 10.1002/(sici)1099-0534(2000)12:3<152::aid-cmr4>3.0.co;2-p
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Average Liouvillian theory in nuclear magnetic resonance?Principles, properties, and applications

Ranajeet Ghose
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Cited by 40 publications

(35 citation statements)
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“…, the delay between the last pulse and the observation is twice shorter than the inter-pulse delay). Average Liouvillian Theory [21,22,23] shows that this is critical for fast proton relaxing systems.…”
Section: Resultsmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
“…, the delay between the last pulse and the observation is twice shorter than the inter-pulse delay). Average Liouvillian Theory [21,22,23] shows that this is critical for fast proton relaxing systems.…”
Section: Resultsmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
“…1. If the noise of the simulation platform is well understood, then it can either be mitigated (30) or made to mimic the noise of the NMR experiment (31,32). If the noise of the platform is unknown, then techniques such as twirling can be used to turn it into an effective depolarizing channel (33,34), which is the channel used for the estimates in Fig.…”
Section: Discussionmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
“…Simulations of the evolutions of the spin system (Levitt and Bari 1992 ; Ghose 2000 ) during our pulse sequence were performed with Matlab R2014a [MATLAB] using Spinach 1.5.2440 (Hogben et al. 2011 ).…”
Section: Methodsmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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