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Abnormal P300 in people with high risk of developing psychosis
2008
NeuroImage
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Article Title: Abnormal P300 in people with high risk of developing psychosis. ...
Please find attached a fully revised manuscript titled "Abnormal P300 in people with high risk of developing psychosis". ...
populations with high risk of developing psychosis. ...
doi:10.1016/j.neuroimage.2007.12.038
pmid:18387827
fatcat:syvofttd25c2dcsqh54hf2ryoq
White matter alterations related to P300 abnormalities in individuals at high risk for psychosis: an MRI–EEG study
2011
Journal of Psychiatry & Neuroscience
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for psychosis (with an "at-risk mental state" [ARMS]). ...
Psychosis onset is characterized by white matter and electrophysiologic abnormalities. The relation between these factors in the development of illness is almost unknown. ...
All authors approved publication of the article. ...
doi:10.1503/jpn.100083
pmid:21299920
pmcid:PMC3120892
fatcat:6eo6c5nwcbdlbf7d4kxfqhaele
Evolving Notions of Schizophrenia as a Developmental Neurocognitive Disorder
2017
Journal of the International Neuropsychological Society
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Neurocognitive deficits are found in the premorbid phase in a substantial minority of pre-teenage youth who later develop schizophrenia, and they apparently worsen by the prodromal, high-risk phase in ...
are used routinely in clinical assessment of individuals with schizophrenia. ...
Seidman's contribution was supported by the Commonwealth Research Center of the Massachusetts Department of Mental Health, SCDMH82101008006. Conflicts of Interest: None ...
doi:10.1017/s1355617717001114
pmid:29198285
fatcat:ickkxdvnyrczjnsujzmicnaqoq
Neurobiology of early psychosis
2005
British Journal of Psychiatry
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Functional and neurochemical brain abnormalities can also be seen in the premorbid and the early phases of the illness. ...
Some changes, notably those in frontal and temporal lobes, can progress during the early phases of the illness. ...
McGlashan Schizotypal components in people at high risk of Schizotypal components in people at high risk of developing schizophrenia: early findings from the developing schizophrenia: early findings from ...
doi:10.1192/bjp.187.48.s8
pmid:16055814
fatcat:jfbdsknuibfsnplz36747kzz2i
Prolonged P300 Latency in Antipsychotic-Free Subjects with At-Risk Mental States Who Later Developed Schizophrenia
2021
Journal of Personalized Medicine
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During the follow-up period, eight out of 33 subjects with ARMS developed overt psychosis (ARMS-P) while 25 did not (ARMS-NP). P300 latency of ARMS-P was significantly longer than that of ARMS-NP. ...
We measured P300, an event-related potential, in subjects with at-risk mental states (ARMS) and aimed to determine whether P300 parameter can predict progression to overt schizophrenia. ...
Acknowledgments: Special thanks to our colleagues, Tomonori Seo, Tomohiro Miyanishi in Department of Neuropsychiatry, University of Toyama Graduate School of Medicine and Pharmaceutical Science to help ...
doi:10.3390/jpm11050327
pmid:33919276
fatcat:24otdazxnrcghavm6vt57hudsy
42. METABOLISM AND CO-MORBIDITIES IN PSYCHOTIC DISORDERS
2018
Schizophrenia Bulletin
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However, abnormal glucose homeostasis, hyperinsulinemia and accumulation of visceral fat are already detected in drug-naïve first episode psychosis (FEP) patients, independently of obesity. ...
Overall Abstract: Schizophrenia is associated with a reduced life expectancy of 15-20 years due to a high prevalence of cardiovascular disease and metabolic syndrome. ...
Abnormalities in the cardio-metabolic and immune system are well established in patients with schizophrenia, but it is unknown if abnormalities are present in people at risk of psychosis and at illness ...
doi:10.1093/schbul/sby014.173
fatcat:mbuvgbkeujcmrejfi6czytwekq
M69. Changes in Neural Measures of Emotion Processes Following Targeted Social Cognition Training
2017
Schizophrenia Bulletin
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This analysis aims to validate the use of graph analysis (GA) metrics in an Ultra High Risk of Psychosis (UHR) sample in order to inform future research in this area. ...
A relation to PANSS scores is in line with limited evidence suggesting aberrant functional connectivity in UHR participants (Lord et al. ...
Much less is known whether abnormalities exist in individuals at clinical high risk for psychosis (CHR), whether they are associated with conversion to psychosis, and whether they are observed in different ...
doi:10.1093/schbul/sbx022.064
fatcat:ma67j5x5erc6rdrh26r5r7tpw4
EEG-Based Measures in At-Risk Mental State and Early Stages of Schizophrenia: A Systematic Review
2021
Frontiers in Psychiatry
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The identification of neuronal aberrations in subjects with a first episode of psychosis (FEP) and in those at ultra high-risk (UHR) or clinical high-risk (CHR) to develop a psychosis is crucial to implement ...
Electrophysiological (EEG) abnormalities in subjects with schizophrenia have been largely reported. ...
" OR "evoked potential" OR "evoked-response") AND ("ultra-high risk psychosis" OR "clinical high risk psychosis" OR "prodromal psychosis" OR "first episode schizophrenia" OR "first episode psychosis" OR ...
doi:10.3389/fpsyt.2021.653642
pmid:34017273
pmcid:PMC8129021
fatcat:j4dr4rndobazhmc5y3zpmfki6q
Efeitos comportamentais, cognitivos e psicofisiológicos dos canabinoides: relevância para a psicose e a esquizofrenia
2010
Revista Brasileira de Psiquiatria
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with a high risk for developing psychosis (either because of family history or prodromal symptoms) have higher rates of psychotic outcomes associated with cannabis use ...
Similarly, Cadenhead et al., reported that individuals with a high risk for developing psychosis who used cannabis use were 10 times more likely convert to psychosis than individuals who did not use cannabis ...
doi:10.1590/s1516-44462010000500005
fatcat:vne5xacpbzamtacs4tbqkfl7ji
Reduced P300 amplitude during retrieval on a spatial working memory task in a community sample of adolescents who report psychotic symptoms
2013
BMC Psychiatry
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Amplitude of the P300 component was reduced at high load for the late P300 timeframe at electrode sites Pz and POz. ...
Research suggests that many of the same risk factors for schizophrenia are shared with individuals from the general population who report psychotic symptoms. ...
Axis-1 disorder [7] , a finding which is in keeping with research in clinic-presenting young people with at risk mental states [8] [9] [10] [11] , who are considered to be at 'ultra high risk' for psychosis ...
doi:10.1186/1471-244x-13-125
pmid:23634909
pmcid:PMC3666949
fatcat:qeozqkmg3veupgeykxnat3h3t4
Language processing abnormalities in adolescents with psychotic-like experiences: An event related potential study
2012
Schizophrenia Research
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Language impairments are a well established finding in patients with schizophrenia and in individuals at-risk for psychosis. ...
In particular, adolescents with PLEs have been shown to be at an increased risk for later psychosis. ...
Conflict of interest The authors report no conflict of interest.
Acknowledgements We thank NUI Maynooth and the Clinical Research Centre Beaumont Hospital for the use of their facilities. ...
doi:10.1016/j.schres.2012.01.017
pmid:22330177
fatcat:xdd32noxdzat5np2lk74rgd7xa
Abnormal frontoparietal synaptic gain mediating the P300 in patients with psychotic disorder and their unaffected relatives
2017
Human Brain Mapping
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Impairments in the P300 potential are well documented in psychosis. Intrinsic (self-)connectivity in a frontoparietal cortical hierarchy during a P300 experiment was investigated. ...
risk effects, as well as their interactions with task condition were identified. ...
All authors declare that they have no conflicts of interest. ...
doi:10.1002/hbm.23588
pmid:28345275
pmcid:PMC5918301
fatcat:yaxldhp6jjdinb4snfn3q6cvzm
Early Detection and Prevention of Schizophrenic Psychosis—A Review
2021
Brain Sciences
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Despite the increasing knowledge of the neurobiological mechanisms involved in the development of psychotic disorders, further research efforts with large population-based study designs are needed to identify ...
In addition to established diagnostic tools, neurobiological factors in the development of schizophrenic psychoses are increasingly being investigated. ...
Over the course of the last few years, numerous working groups primarily addressed the question of how people with an increased risk of developing schizophrenic psychosis could be identified at an early ...
doi:10.3390/brainsci12010011
pmid:35053755
pmcid:PMC8774083
fatcat:ktaaqja2s5dixabl5emwgfh53i
Page 4768 of Psychological Abstracts Vol. 88, Issue 12
[page]
2001
Psychological Abstracts
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of two-dimensional topographic scalp-distribution of P300 amplitude and la- tency relate to genetic risk for schizophrenia. 34 unrelated normal control Ss with a standard auditory oddball paradigm and ...
—Event-related potentials (ERPs) during an auditory oddball task were investigated in 42 patients with schizophrenia and in 62 of their healthy siblings to explore the question of whether abnormalities ...
Electrophysiological Endophenotypes for Schizophrenia
2016
Harvard Review of Psychiatry
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signaling and GABA-ergic inhibition in the pathophysiology of schizophrenia. ...
They can be assessed at numerous levels of analysis; here, we review electrophysiological endophenotypes that have shown promise in helping us understand schizophrenia from a more mechanistic point of ...
Recently, deficits in MMN have been demonstrated in individuals at clinical or genetic high risk for psychosis 124, 131 and have been shown to predict psychosis onset in clinically high risk individuals ...
doi:10.1097/hrp.0000000000000110
pmid:26954597
pmcid:PMC4785844
fatcat:v3nvaqun5rguxmgv754ufvtfrq
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