Search Results - "Ron, Maria A."

White matter abnormalities in bipolar disorder: a voxel-based diffusion tensor imaging study by Bruno, Stefania, Cercignani, Mara, Ron, Maria A

“…Objectives:  In bipolar disorder (BD), dysregulation of mood may result from white matter abnormalities that disrupt fronto‐subcortical circuits. In this…”
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IQ Trajectory, Cognitive Reserve, and Clinical Outcome Following a First Episode of Psychosis: A 3-Year Longitudinal Study by Leeson, Verity C., Sharma, Pranev, Harrison, Masuma, Ron, Maria A., Barnes, Thomas R. E., Joyce, Eileen M.

“…Comparison of current and estimated premorbid IQ in schizophrenia suggests that there are subgroups with low IQ, deteriorated IQ (DIQ), or preserved IQ and…”
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Changes in the Frontotemporal Cortex and Cognitive Correlates in First-Episode Psychosis by Gutiérrez-Galve, Leticia, Wheeler-Kingshott, Claudia A.M, Altmann, Daniel R, Price, Gary, Chu, Elvina M, Leeson, Verity C, Lobo, Antonio, Barker, Gareth J, Barnes, Thomas R.E, Joyce, Eileen M, Ron, María A

“…Background Loss of cortical volume in frontotemporal regions has been reported in patients with schizophrenia and their relatives. Cortical area and thickness…”
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IQ as a predictor of functional outcome in schizophrenia: A longitudinal, four-year study of first-episode psychosis by Leeson, Verity C, Barnes, Thomas R.E, Hutton, Sam B, Ron, Maria A, Joyce, Eileen M

“…Abstract Studies of established schizophrenia have consistently found that cognitive function predicts social and clinical outcomes. The findings from…”
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White matter tracts in first-episode psychosis: A DTI tractography study of the uncinate fasciculus by Price, Gary, Cercignani, Mara, Parker, Geoffrey J.M., Altmann, Daniel R., Barnes, Thomas R.E., Barker, Gareth J., Joyce, Eileen M., Ron, Maria A.

“…A model of disconnectivity involving abnormalities in the cortex and connecting white matter pathways may explain the symptoms and cognitive abnormalities of…”
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Abnormal brain connectivity in first-episode psychosis: A diffusion MRI tractography study of the corpus callosum by Price, Gary, Cercignani, Mara, Parker, Geoffrey J.M., Altmann, Daniel R., Barnes, Thomas R.E., Barker, Gareth J., Joyce, Eileen M., Ron, Maria A.

“…A model of disconnectivity involving abnormalities in the cortex and connecting white matter pathways may explain the clinical manifestations of schizophrenia…”
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Discrete neurophysiological correlates in prefrontal cortex during hysterical and feigned disorder of movement by Spence, Sean A, Crimlisk, Helen L, Cope, Helen, Ron, Maria A, Grasby, Paul M

“…The clinical distinction between hysterical symptoms and those that are feigned awaits objective validation. We used functional neuroimaging to examine the…”
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A window into the brain: An in vivo study of the retina in schizophrenia using optical coherence tomography by Chu, Elvina May-Yin, Kolappan, Madhan, Barnes, Thomas R.E, Joyce, Eileen M, Ron, Maria A

“…Abstract Retinal nerve fibre layer (RNFL) thickness and macular volume (MV) can be measured in vivo using optical coherence tomography (OCT) providing a…”
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Discrimination Learning, Reversal, and Set-Shifting in First-Episode Schizophrenia: Stability Over Six Years and Specific Associations with Medication Type and Disorganization Syndrome by Leeson, Verity C, Robbins, Trevor W, Matheson, Elizabeth, Hutton, Samuel B, Ron, María A, Barnes, Thomas R.E, Joyce, Eileen M

“…Background The intradimensional/extradimensional (IDED) task assesses different forms of learning from feedback. Limited evidence suggests that attentional…”
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Bipolar I and bipolar II disorder: cognition and emotion processing by Summers, Mary, Papadopoulou, Kyriaki, Bruno, Stefania, Cipolotti, Lisa, Ron, Maria A

“…Cognitive impairment may be part of the endophenotype of bipolar disorder (BP), but little is known about patterns and severity of impairment in BP subgroups…”
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The neuropsychiatry of multiple sclerosis by Ron, Maria A.

“…Multiple sclerosis (MS), an immune-mediated demyelinating condition, is the most common neurological disease affecting young adults in the UK. It has a high…”
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The Effect of Cannabis Use and Cognitive Reserve on Age at Onset and Psychosis Outcomes in First-Episode Schizophrenia by LEESON, Verity C, HARRISON, Isobel, RON, Maria A, BARNES, Thomas R. E, JOYCE, Eileen M

“…Cannabis use is associated with a younger age at onset of psychosis, an indicator of poor prognosis, but better cognitive function, a positive prognostic…”
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Motor network efficiency and disability in multiple sclerosis by Pardini, Matteo, Yaldizli, Özgür, Sethi, Varun, Muhlert, Nils, Liu, Zheng, Samson, Rebecca S, Altmann, Daniel R, Ron, Maria A, Wheeler-Kingshott, Claudia A.M, Miller, David H, Chard, Declan T

“…OBJECTIVE:To develop a composite MRI-based measure of motor network integrity, and determine if it explains disability better than conventional MRI measures in…”
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White matter tract abnormalities are associated with cognitive dysfunction in secondary progressive multiple sclerosis by Meijer, Kim A, Muhlert, Nils, Cercignani, Mara, Sethi, Varun, Ron, Maria A, Thompson, Alan J, Miller, David H, Chard, Declan, Geurts, Jeroen JG, Ciccarelli, Olga

“…Background: While our knowledge of white matter (WM) pathology underlying cognitive impairment in relapsing remitting multiple sclerosis (MS) is increasing,…”
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Hippocampal volume and subjective memory impairment in depressed patients by von Gunten, Armin, Ron, Maria A.

“…The relationship between severity of subjective memory impairment and volume of the hippocampus/amygdala complex was investigated in non-demented depressed…”
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The Relationship Between IQ, Memory, Executive Function, and Processing Speed in Recent-Onset Psychosis: 1-Year Stability and Clinical Outcome by LEESON, Verity C, BARNES, Thomas R. E, HARRISON, Masuma, MATHESON, Elizabeth, HARRISON, Isobel, MUTSATSA, Stanley H, RON, Maria A, JOYCE, Eileen M

“…Studies commonly report poor performance in psychotic patients compared with controls on tasks testing a range of cognitive functions, but, because current IQ…”
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Cortical abnormalities and their cognitive correlates in patients with temporal lobe epilepsy and interictal psychosis by Gutierrez-Galve, Leticia, Flugel, Dominique, Thompson, Pamela J., Koepp, Matthias J., Symms, Mark R., Ron, Maria A., Foong, Jacqueline

“…Summary Purpose:  To determine whether cortical abnormalities are more severe and widespread in patients with temporal lobe epilepsy (TLE) and interictal…”
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Primary focal dystonia—a disease of brain and mind: motor and psychiatric manifestations have a common neurobiological basis by Ron, Maria A

“…Others, however, support their findings. [...]in a family study of PFD, 4 OCD was present in nearly 20% of probands and preceded the movement disorder by…”
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Structural Abnormalities in Frontal, Temporal, and Limbic Regions and Interconnecting White Matter Tracts in Schizophrenic Patients With Prominent Negative Symptoms by Sigmundsson, Thordur, Suckling, John, Maier, Michael, Williams, Steven C.R., Bullmore, Edward T., Greenwood, Kathryn E., Fukuda, Rimmei, Ron, Maria A., Toone, Brian K.

“…OBJECTIVE: Imaging studies of schizophrenia have repeatedly demonstrated global abnormalities of cerebral and ventricular volumes. However, pathological…”
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Brain pathology in first-episode psychosis: Magnetization transfer imaging provides additional information to MRI measurements of volume loss by Price, Gary, Cercignani, Mara, Chu, Elvina M., Barnes, Thomas R.E., Barker, Gareth J., Joyce, Eileen M., Ron, Maria A.

“…Loss of brain volume in first-episode psychosis can be detected using conventional magnetic resonance imaging (MRI), but subtle changes – not leading to…”
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