Search Results - "Bramon, E."

Meta-analysis of the P300 and P50 waveforms in schizophrenia by Bramon, Elvira, Rabe-Hesketh, Sophia, Sham, Pak, Murray, Robin M., Frangou, Sophia

“…Objective: To determine whether patients with schizophrenia have abnormalities in the P300 and P50 waves and to quantify the magnitude of any differences from…”
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Are auditory P300 and duration MMN heritable and putative endophenotypes of psychotic bipolar disorder? A Maudsley Bipolar Twin and Family Study by Hall, M-H, Schulze, K, Rijsdijk, F, Kalidindi, S, McDonald, C, Bramon, E, Murray, R M, Sham, P

“…Impaired P300 auditory response has been reported in patients with psychotic bipolar disorder (BPD) and unaffected relatives of psychotic bipolar patients…”
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Neuropsychological and neuroimaging underpinnings of schizoaffective disorder: a systematic review by Madre, M., Canales-Rodríguez, E. J., Ortiz-Gil, J., Murru, A., Torrent, C., Bramon, E., Perez, V., Orth, M., Brambilla, P., Vieta, E., Amann, B. L.

“…Objectives The neurobiological basis and nosological status of schizoaffective disorder remains elusive and controversial. This study provides a systematic…”
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Altered brain function directly related to structural abnormalities in people at ultra high risk of psychosis: Longitudinal VBM-fMRI study by Fusar-Poli, P, Broome, M.R, Woolley, J.B, Johns, L.C, Tabraham, P, Bramon, E, Valmaggia, L, Williams, S.C, McGuire, P

“…Abstract Background Several studies have indicated that people with prodromal signs of psychosis show alterations in the structure and function of the brain…”
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Exaggerated neural response to emotional faces in patients with bipolar disorder and their first-degree relatives by Surguladze, S.A., Marshall, N., Schulze, K., Hall, M.-H., Walshe, M., Bramon, E., Phillips, M.L., Murray, R.M., McDonald, C.

“…Neuroimaging studies have demonstrated abnormalities in patients with bipolar disorder, including overactivity in anterior limbic structures in response to…”
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Common variant at 16p11.2 conferring risk of psychosis by Steinberg, S, de Jong, S, Pietiläinen, O P H, Lin, K, Papiol, S, Huttenlocher, J, Sigurdsson, E, Giegling, I, Breuer, R, Fraser, G, Walker, N, Melle, I, Djurovic, S, Tuulio-Henriksson, A, Suvisaari, J, Lönnqvist, J, Paunio, T, Olsen, L, Ingason, A, Pirinen, M, Strengman, E, Hougaard, D M, Ørntoft, T, Didriksen, M, Abramova, L, Kaleda, V, Arrojo, M, Arango, C, Etain, B, Bellivier, F, Méary, A, Schürhoff, F, Szoke, A, Ribolsi, M, Magni, V, Siracusano, A, Sperling, S, Rossner, M, Christiansen, C, Kiemeney, L A, Franke, B, Veldink, J, Curran, S, Bolton, P, Poot, M, Rehnstrom, K, Freitag, C M, Magnusson, P, Saemundsen, E, Martsenkovsky, I, Bikshaieva, I, Martsenkovska, I, Vashchenko, O, Raleva, M, Paketchieva, K, Pejovic Milovancevic, M, Naneishvili, N, Mikeladze, N, Vincent, J B, Farmer, A, Mitchell, P B, Wright, A, Schofield, P R, Fullerton, J M, Montgomery, G W, Rubino, I A, Kenis, G, Bitter, I, Terenius, L, Jönsson, E G, Bakker, S, van Os, J, Jablensky, A, Powell, J, Murray, R, Corvin, A, Gill, M, Morris, D, O'Neill, F A, Kendler, K, Riley, B, Craddock, N, O'Donovan, M C, Thorsteinsdottir, U, Ehrenreich, H, Carracedo, A, Golimbet, V, Børglum, A D, Mortensen, P B, Werge, T, Ophoff, R A, Rietschel, M, Cichon, S, Ruggeri, M, Tosato, S, Palotie, A, St Clair, D, Rujescu, D, Collier, D A, Stefansson, K

“…Epidemiological and genetic data support the notion that schizophrenia and bipolar disorder share genetic risk factors. In our previous genome-wide association…”
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White matter microstructural abnormalities in families multiply affected with bipolar I disorder: a diffusion tensor tractography study by Emsell, L, Chaddock, C, Forde, N, Van Hecke, W, Barker, G J, Leemans, A, Sunaert, S, Walshe, M, Bramon, E, Cannon, D, Murray, R, McDonald, C

“…White matter (WM) abnormalities are proposed as potential endophenotypic markers of bipolar disorder (BD). In a diffusion tensor imaging (DTI) voxel-based…”
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Expanding the range of ZNF804A variants conferring risk of psychosis by Steinberg, S, Mors, O, Børglum, A D, Gustafsson, O, Werge, T, Mortensen, P B, Andreassen, O A, Sigurdsson, E, Thorgeirsson, T E, Böttcher, Y, Olason, P, Ophoff, R A, Cichon, S, Gudjonsdottir, I H, Pietiläinen, O P H, Nyegaard, M, Tuulio-Henriksson, A, Ingason, A, Hansen, T, Athanasiu, L, Suvisaari, J, Lonnqvist, J, Paunio, T, Hartmann, A, Jürgens, G, Nordentoft, M, Hougaard, D, Norgaard-Pedersen, B, Breuer, R, Möller, H-J, Giegling, I, Glenthøj, B, Rasmussen, H B, Mattheisen, M, Bitter, I, Réthelyi, J M, Sigmundsson, T, Fossdal, R, Thorsteinsdottir, U, Ruggeri, M, Tosato, S, Strengman, E, Kiemeney, L A, Melle, I, Djurovic, S, Abramova, L, Kaleda, V, Walshe, M, Bramon, E, Vassos, E, Li, T, Fraser, G, Walker, N, Toulopoulou, T, Yoon, J, Freimer, N B, Cantor, R M, Murray, R, Kong, A, Golimbet, V, Jönsson, E G, Terenius, L, Agartz, I, Petursson, H, Nöthen, M M, Rietschel, M, Peltonen, L, Rujescu, D, Collier, D A, Stefansson, H, St Clair, D, Stefansson, K

“…A trio of genome-wide association studies recently reported sequence variants at three loci to be significantly associated with schizophrenia. No sequence…”
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The effect of COMT, BDNF, 5-HTT, NRG1 and DTNBP1 genes on hippocampal and lateral ventricular volume in psychosis by Dutt, A, McDonald, C, Dempster, E, Prata, D, Shaikh, M, Williams, I, Schulze, K, Marshall, N, Walshe, M, Allin, M, Collier, D, Murray, R, Bramon, E

“…Morphometric endophenotypes which have been proposed for psychotic disorders include lateral ventricular enlargement and hippocampal volume reductions. Genetic…”
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Economic impact of early intervention in people at high risk of psychosis by Valmaggia, L R, McCrone, P, Knapp, M, Woolley, J B, Broome, M R, Tabraham, P, Johns, L C, Prescott, C, Bramon, E, Lappin, J, Power, P, McGuire, P K

“…Despite the increasing development of early intervention services for psychosis, little is known about their cost-effectiveness. We assessed the…”
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The Early Auditory Gamma-Band Response Is Heritable and a Putative Endophenotype of Schizophrenia by Hall, Mei-Hua, Taylor, Grantley, Sham, Pak, Schulze, Katja, Rijsdijk, Fruhling, Picchioni, Marco, Toulopoulou, Timothea, Ettinger, Ulrich, Bramon, Elvira, Murray, Robin M., Salisbury, Dean F.

“…Background: Reduced power and phase locking of the early auditory gamma-band response (EAGBR) have been reported in schizophrenia, but findings are equivocal…”
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Associations between psychosis endophenotypes across brain functional, structural, and cognitive domains by Blakey, R, Ranlund, S, Zartaloudi, E, Cahn, W, Calafato, S, Colizzi, M, Crespo-Facorro, B, Daniel, C, Díez-Revuelta, Á, Di Forti, M, Iyegbe, C, Jablensky, A, Jones, R, Hall, M-H, Kahn, R, Kalaydjieva, L, Kravariti, E, Lin, K, McDonald, C, McIntosh, A M, Picchioni, M, Powell, J, Presman, A, Rujescu, D, Schulze, K, Shaikh, M, Thygesen, J H, Toulopoulou, T, Van Haren, N, Van Os, J, Walshe, M, Murray, R M, Bramon, E

“…A range of endophenotypes characterise psychosis, however there has been limited work understanding if and how they are inter-related. This multi-centre study…”
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The impact of CACNA1C allelic variation on effective connectivity during emotional processing in bipolar disorder by Radua, J, Surguladze, S A, Marshall, N, Walshe, M, Bramon, E, Collier, D A, Prata, D P, Murray, R M, McDonald, C

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Failure to deactivate medial prefrontal cortex in people at high risk for psychosis by Falkenberg, I, Chaddock, C, Murray, R.M, McDonald, C, Modinos, G, Bramon, E, Walshe, M, Broome, M, McGuire, P, Allen, P

“…Abstract Impaired working memory is a core feature of schizophrenia and is linked with altered engagement the lateral prefrontal cortex. Although altered PFC…”
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Spatial working memory in individuals at high risk for psychosis: Longitudinal fMRI study by Fusar-Poli, P, Broome, M.R, Matthiasson, P, Woolley, J.B, Johns, L.C, Tabraham, P, Bramon, E, Valmaggia, L, Williams, S.C, McGuire, P

“…Abstract Background Neurocognitive impairments in executive and mnemonic domains are already evident in the pre-psychotic phases. The longitudinal dynamic…”
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Prefrontal Function at Presentation Directly Related to Clinical Outcome in People at Ultrahigh Risk of Psychosis by FUSAR-POLI, P, BROOME, M. R, MCGUIRE, P, MATTHIASSON, P, WOOLLEY, J. B, MECHELLI, A, JOHNS, L. C, TABRAHAM, P, BRAMON, E, VALMAGGIA, L, WILLIAMS, S. C

“…The prodromal phase of psychosis is characterized by impaired executive function and altered prefrontal activation. The extent to which the severity of these…”
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P300 waveform and dopamine transporter availability: a controlled EEG and SPECT study in medication-naive patients with schizophrenia and a meta-analysis by Chen, K C, Lee, I H, Yang, Y K, Landau, S, Chang, W H, Chen, P S, Lu, R B, David, A S, Bramon, E

“…Reduced P300 event-related potential (ERP) amplitude and latency prolongation have been reported in patients with schizophrenia compared to healthy controls…”
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The association of white matter volume in psychotic disorders with genotypic variation in NRG1, MOG and CNP: a voxel-based analysis in affected individuals and their unaffected relatives by Cannon, D M, Walshe, M, Dempster, E, Collier, D A, Marshall, N, Bramon, E, Murray, R M, McDonald, C

“…We investigated the role of variation in putative psychosis genes coding for elements of the white matter system by examining the contribution of genotypic…”
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The impact of CACNA1C gene, and its epistasis with ZNF804A, on white matter microstructure in health, schizophrenia and bipolar disorder 1 by Mallas, E, Carletti, F, Chaddock, C A, Shergill, S, Woolley, J, Picchioni, M M, McDonald, C, Toulopoulou, T, Kravariti, E, Kalidindi, S, Bramon, E, Murray, R, Barker, G J, Prata, D P

“…Genome-wide studies have identified allele A (adenine) of single nucleotide polymorphism (SNP) rs1006737 of the calcium-channel CACNA1C gene as a risk factor…”
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The impact of CACNA1C gene, and its epistasis with ZNF804A, on white matter microstructure in health, schizophrenia and bipolar disorder1 by Mallas, E., Carletti, F., Chaddock, C. A., Shergill, S., Woolley, J., Picchioni, M. M., McDonald, C., Toulopoulou, T., Kravariti, E., Kalidindi, S., Bramon, E., Murray, R., Barker, G. J., Prata, D. P.

“…Genome‐wide studies have identified allele A (adenine) of single nucleotide polymorphism (SNP) rs1006737 of the calcium‐channel CACNA1C gene as a risk factor…”
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