Search Results - "Zelaya, Fernando O"
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A Spatiotemporal Profile of In Vivo Cerebral Blood Flow Changes Following Intranasal Oxytocin in Humans
Published in Biological psychiatry (1969) (15-04-2016)“…Abstract Background Animal and human studies highlight the role of oxytocin in social cognition and behavior and the potential of intranasal oxytocin (IN-OT)…”
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Cerebral blood flow predicts differential neurotransmitter activity
Published in Scientific reports (06-03-2018)“…Application of metabolic magnetic resonance imaging measures such as cerebral blood flow in translational medicine is limited by the unknown link of observed…”
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Hyperperfusion of Frontal White and Subcortical Gray Matter in Autism Spectrum Disorder
Published in Biological psychiatry (1969) (01-04-2019)“…Our aim was to assess resting cerebral blood flow (rCBF) in children and adults with autism spectrum disorder (ASD). We acquired pulsed arterial spin labeling…”
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Acute effects of single-dose aripiprazole and haloperidol on resting cerebral blood flow (rCBF) in the human brain
Published in Human brain mapping (01-02-2013)“…Antipsychotic drugs act on the dopaminergic system (first‐generation antipsychotics, FGA), but some also directly affect serotonergic function…”
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Dehydration affects brain structure and function in healthy adolescents
Published in Human brain mapping (01-01-2011)“…It was recently observed that dehydration causes shrinkage of brain tissue and an associated increase in ventricular volume. Negative effects of dehydration on…”
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Areas of cerebral blood flow changes on arterial spin labelling with the use of symmetric template during nitroglycerin triggered cluster headache attacks
Published in NeuroImage clinical (01-01-2022)“…•Cluster headache is a severe unilateral primary headache disorder; however, the brain is asymmetric, therefore using a symmetric template before flipping in…”
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Dissociable effects of methylphenidate, atomoxetine and placebo on regional cerebral blood flow in healthy volunteers at rest: A multi-class pattern recognition approach
Published in NeuroImage (Orlando, Fla.) (02-04-2012)“…The stimulant drug methylphenidate (MPH) and the non-stimulant drug atomoxetine (ATX) are both widely used for the treatment of attention deficit/hyperactivity…”
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Association of placental volume measured by MRI and birth weight percentile
Published in Journal of magnetic resonance imaging (01-11-2011)“…Purpose: To investigate if placental volume in the second trimester of pregnancy is related to uterine artery blood flow and neonatal birth weight. Materials…”
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Alterations in Functional Connectivity During Different Phases of the Triggered Migraine Attack
Published in Headache (01-07-2020)“…Objective To understand the changes in functional connectivity between brain areas of potential importance in migraine during different phases of the attack…”
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Intranasal insulin administration decreases cerebral blood flow in cortico‐limbic regions: A neuropharmacological imaging study in normal and overweight males
Published in Diabetes, obesity & metabolism (01-01-2021)“…Aim To assess and compare the effects of 160 IU intranasal insulin (IN‐INS) administration on regional cerebral blood flow (rCBF) in healthy male individuals…”
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Restoration of Hypoglycemia Awareness Alters Brain Activity in Type 1 Diabetes
Published in Diabetes care (01-02-2021)“…Impaired awareness of hypoglycemia (IAH) in type 1 diabetes (T1D) is a major risk factor for severe hypoglycemia (SH) and is associated with atypical responses…”
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A link between FTO, ghrelin, and impaired brain food-cue responsivity
Published in The Journal of clinical investigation (01-08-2013)“…Polymorphisms in the fat mass and obesity-associated gene (FTO) are associated with human obesity and obesity-prone behaviors, including increased food intake…”
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155-OR: ADA Presidents’ Select Abstract: Symptom Responses to Hypoglycemia Are Related to Connectivity Change between the Thalamus and Frontal Lobes
Published in Diabetes (New York, N.Y.) (01-06-2020)“…Neuroimaging studies highlight the importance of thalamic activation in response to hypoglycemia in people with and without type 1 diabetes (T1D). This…”
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Altered functional connectivity during hypoglycaemia in type 1 diabetes
Published in Journal of cerebral blood flow and metabolism (01-08-2022)“…Behavioural responses to hypoglycaemia require coordinated recruitment of broadly distributed networks of interacting brain regions. We investigated…”
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Circadian and Homeostatic Modulation of Functional Connectivity and Regional Cerebral Blood Flow in Humans under Normal Entrained Conditions
Published in Journal of cerebral blood flow and metabolism (01-09-2014)“…Diurnal rhythms have been observed in human behaviors as diverse as sleep, olfaction, and learning. Despite its potential impact, time of day is rarely…”
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Measuring fMRI reliability with the intra-class correlation coefficient
Published in NeuroImage (Orlando, Fla.) (15-04-2009)“…The intra-class class correlation coefficient (ICC) is a prominent statistic to measure test–retest reliability of fMRI data. It can be used to address the…”
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PYY modulation of cortical and hypothalamic brain areas predicts feeding behaviour in humans
Published in Nature (01-11-2007)“…The ability to maintain adequate nutrient intake is critical for survival. Complex interrelated neuronal circuits have developed in the mammalian brain to…”
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Reduced perfusion in Broca's area in developmental stuttering
Published in Human brain mapping (01-04-2017)“…Objective To study resting cerebral blood flow in children and adults with developmental stuttering. Methods We acquired pulsed arterial spin labeling magnetic…”
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The effect of risperidone on reward‐related brain activity is robust to drug‐induced vascular changes
Published in Human brain mapping (15-06-2021)“…Dopamine (DA) mediated brain activity is intimately linked to reward‐driven cerebral responses, while aberrant reward processing has been implicated in several…”
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Impaired Awareness of Hypoglycemia Disrupts Blood Flow to Brain Regions Involved in Arousal and Decision Making in Type 1 Diabetes
Published in Diabetes care (01-11-2019)“…Impaired awareness of hypoglycemia (IAH) affects one-quarter of adults with type 1 diabetes and significantly increases the risk of severe hypoglycemia…”
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