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Neuroradiology/Neuroimaging
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Your search returned 23 results
from the time period: last 30 days.
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Biological psychiatry 
... which is upregulated in activated glia (predominantly microglia), can be measured as an indication of neuroinflammation in vivo using positron emission tomography and TSPO-specific radioligands AbstractText: We used [(11)C](R)-PK11195 positron emission tomography to compare TSPO availability in the anterior cingulate cortex (ACC), prefrontal cortex, and insula between ...
Neuroscience (2)
Depressive Disorder (5), more mentions
Schizophrenia research
The Genetics of Endophenotypes of Neurofunction to Understand Schizophrenia (GENUS) Consortium aims to clarify the role ... array data or genomic DNA, clinical and demographic data, and neuropsychological and/or brain magnetic resonance imaging (MRI) data... The breadth of data across clinical, genetic, neuropsychological, and MRI modalities provides an important opportunity for elucidating the genetic basis ...
Neuroscience (9)
Schizophrenia (8), Psychotic Disorders (1), more mentions
Schizophrenia research
Furthermore, a functional magnetic resonance imaging task for reward anticipation was applied to investigate shared and divergent neural correlates of interview-based and behaviorally measured apathy AbstractText: We found in 18 schizophrenia patients with high interview-based apathy levels that motor activity was negatively correlated with apathy but ... Keyword: fMRI.
Neuroscience (4)
Schizophrenia (4), Psychotic Disorders (1), more mentions
PloS one
... to physical or cognitive decline associated with aging, is also often under-represented in neuroscience research because of a limited means to participate in studies which often take place ... These results demonstrate the capability for obtaining functional neuroimaging measures in residential settings, which ultimately may aid in prognosis and care related to ...
Neuroscience (4)
Dementia (2), more mentions
Journal of the neurological sciences
Neuroimaging researches have demonstrated structural abnormalities in several cerebral regions... This review investigated the state of research regarding neuropsychological impairment and neuroimaging studies in TLE patients... The reported findings showed that the involvement of various factors, including neurobiological abnormalities and clinical features, is responsible for the onset of cognitive impairment ...
Neurological and Central Nervous System Diseases (3)
Temporal Lobe Epilepsy (2), Partial Epilepsy (1), more mentions
Cambridge quarterly of healthcare ethics : CQ : the international journal of healthcare ethics committees 
... challenges, the article discusses the impact of flawed methods in neuroimaging research in cognitive and clinical neuroscience, particularly with respect to faulty brain-based models of human ... is whether such faulty models, when they are applied to neurological or psychiatric diseases, could put patients at risk, and whether this places special obligations on researchers using neuroimaging ... and promotes some promising ideas and initiatives from within the neuroimaging community for addressing the methodological problems Keyword: neuroethics.
Neuroscience (2), more mentions
Schizophrenia research
... examine the effects of a brief EF training program on EEG and neurocognitive measures.25 people with severe mental illness were randomized to ... Assessments examined EEG theta and alpha band oscillatory power during EF tasks and neurocognitive measures of EF.EF training resulted in greater frontal theta ... experienced significantly greater improvement in EF ability as measured by neurocognitive tests than the control condition.Two weeks of EF training is sufficient to produce neurophysiological and neurocognitive change ...
Neuroscience (3)
Mental Disorders (3), more mentions
Acta psychiatrica Scandinavica
Its neurodevelopment and relationship with the social impairment in autism spectrum disorders ... We explored the relationship between social cognition and the neurodevelopment of the pSTS in ASD AbstractText: We included 44 adults ... branches of the pSTS (length and depth), markers of the neurodevelopment, with structural MRI AbstractText: The right anterior caudal ramus of the pSTS was ...
Neuroscience (13)
Autistic Disorder (2), Autism Spectrum Disorder (1), more mentions
Sleep
Study Objectives: To compare intraindividually the effects of acute sleep deprivation (ASD) and chronic sleep restriction (CSR) on the homeostatic increase in slow wave activity (SWA) and to relate it to impairments in basic cognitive functioning, that is, vigilance. Methods: The increase in SWA after ASD (40 hours of wakefulness) and after CSR (seven nights with time in bed restricted to 5 hours per night) relative to baseline sleep was assessed in nine healthy, male participants (age = 18-26 years) by high-density electroencephalography. The SWA increase during the initial part of sleep was compared between the two conditions of sleep loss. The increase in SWA was related to the increase in lapses of vigilance in the psychomotor vigilance task (PVT) during the preceding days. Results: While ASD induced a stronger increase in initial SWA than CSR, the increase was globally correlated across the two conditions in most electrodes. The increase in initial SWA was positively associated with the increase in PVT lapses. Conclusions: The individual homeostatic response in SWA is globally preserved across acute and chronic sleep loss, that is, individuals showing a larger increase after ASD also do so after CSR and vice versa. Furthermore, the increase in SWA is globally correlated to vigilance impairments after sleep loss over both conditions. Thus, the increase in SWA might therefore provide a physiological marker for individual differences in performance impairments after sleep loss.
Neuroscience (4), Sleep Disorders (1)
Sleep Deprivation (1), more mentions
Scientific reports 
... cerebral blood flow (CBF) and blood oxygen-level dependent (BOLD) resting-state functional connectivity (RSFC) were measured with functional magnetic resonance imaging (fMRI) before and after treatment with psilocybin (serotonin agonist) for treatment-resistant depression (TRD. Quality pre and post treatment fMRI data were collected from 16 of 19 patients.
Neuroscience (2)
Depressive Disorder (2), more mentions
Journal of affective disorders
However, it is unclear whether these neurocognitive changes are present in unaffected first-degree relatives and constitute ... family history of depression (low-risk group: n = 27) underwent neurocognitive testing and functional magnetic imaging (fMRI) as part of a follow-up cohort study ... free word recall task followed by a recognition task during fMRI.
Neuroscience (1)
Depressive Disorder (8), more mentions
PloS one
... aim of the current study was to test whether single channel wireless EEG data obtained acutely following stroke could predict longer-term cognitive function.Resting ... completed to identify relationships between 90-day cognitive function and electrophysiological data, neurological status, and demographic characteristics at admission.Four acute qEEG indices demonstrated moderate ...
Neuroscience (1), more mentions
PloS one
Using functional resting state magnetic resonance images, we performed whole-brain analysis of the amplitude of low frequency fluctuations (ALFF), to detect areas of spontaneous blood oxygenation level dependent signal across brain regions. We compared the ALFF of 20 SCD patients to that observed in 19 healthy, age and ethnicity-matched, control subjects.
Blood Disorders and Hematology (3), Neuroscience (1)
Anemia (3), Sickle Cell Anemia (1), Stroke (1), more mentions
Journal of neurology, neurosurgery, and psychiatry
... effects of striatal dopaminergic depletion and brain atrophy on the neuropsychiatric symptoms of patients with PD.Two hundred and seven patients ... with de novo drug-naïve PD underwent dopamine transporter (DAT) positron emission tomography and brain MRI scanning... frontotemporal cortical thinning, especially frontal cortical thinning, independently contributed to neuropsychiatric symptoms in patients with PD, while DAT uptake did not affect the neuropsychiatric symptoms ...
Neurological and Central Nervous System Diseases (2)
Atrophy (5), Parkinson Disease (2), more mentions
Neuron
The evidence supports a conceptual shift in the mechanisms of neurovascular coupling, from a unidimensional process involving neuronal-astrocytic signaling to local blood vessels to a multidimensional one in ... The recently appreciated NVU dysfunction in neurodegenerative diseases, although still poorly understood, supports emerging concepts that maintaining neurovascular health promotes brain health ...
Neuroscience (1)
Stroke (2), Nervous System Diseases (1), Neurodegenerative Diseases (1), more mentions
Medicine
AbstractText: Although several functional studies have demonstrated that positron emission tomography/computed tomography with F-fluorodeoxyglucose (F-FDG PET/CT) appears to be efficient to identify a cerebral substrate in ... with known macrophagic myofasciitis (MMF), the predictive value of this imaging technique for MMF remains unclear AbstractText: We presented data and images of a 46-year-old woman AbstractText: The patient was ...
Neuroscience (1), Vaccines (1)
Brain Diseases (1), Myositis (1), Fasciitis (1), more mentions
Journal of neurology, neurosurgery, and psychiatry
AbstractText: Amyloid-positron emission tomography (PET) imaging (API) detects amyloid-beta pathology early in the course of Alzheimer's disease ... MRI features of AD did not always predict positive API (67%), and 6 ... atypical presentations or individuals with multiple possible causes of cognitive impairment Keyword: image analysis... Keyword: pet, functional imaging.
Neuroscience (3)
Dementia (2), Alzheimer Disease (1), more mentions
Sleep 
... aimed to quantify SN damage in iRBD patients using multimodal MRI and to determine biomarker efficacy in preclinical Parkinsonism AbstractText: Nineteen patients with iRBD and 18 controls underwent 3-Tesla MRI, including diffusion tensor imaging, neuromelanin (NM)-sensitive imaging and T2* mapping ... Keyword: Neuroimaging... Keyword: Sleep and Neurodegenerative Disorders. Keyword: neuromelanin.
Neurological and Central Nervous System Diseases (2)
REM Sleep Behavior Disorder (3), Parkinson Disease (2), Parkinsonian Disorders (2), more mentions
Neurology
... early-onset Alzheimer disease (EOAD) and behavioral variant frontotemporal dementia (bvFTD).Thirty-eight patients with bvFTD, 37 patients with EOAD, and 32 age-matched healthy controls underwent 3D T1-weighted and resting-state fMRI... Graph analysis and connectomics may aid clinical diagnosis and help elucidate pathophysiologic differences between neurodegenerative dementias.
Neuroscience (2)
Alzheimer Disease (1), Frontotemporal Dementia (1), Dementia (1), more mentions
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology
... SZ) and bipolar disorder (BPD), and use functional magnetic resonance imaging (fMRI) during a cognitive control (CC) task in recent onset patients ... performed the AX-Continuous Performance Task while undergoing event-related fMRI at 1.5 T. In addition to behavior, task-associated response ... Implications for the neurobiology of these diseases are discussed.Neuropsychopharmacology accepted article preview online, 26 September 2017 ...
Neuroscience (5)
Schizophrenia (2), Bipolar Disorder (2), Mental Disorders (2), more mentions
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