[PDF][PDF] Clusters of psychosis: compensation as a contributor to the heterogeneity of schizophrenia

L Palaniyappan - Journal of Psychiatry & Neuroscience: JPN, 2023 - jpn.ca
Considerable variations exist in the clinical presentation of psychiatric disorders. For any
given diagnostic construct, there are several thousand combinations of symptoms that can …

Heterogeneity in schizophrenia: a cluster-analytic approach

AE Farmer, P McGuffin, EL Spitznagel - Psychiatry Research, 1983 - Elsevier
Despite agreement that chronic schizophrenia is clinically heterogeneous, no system of
subclassification has received general acceptance. Most methods for defining subgroups …

Sources of heterogeneity in schizophrenia: the role of neuropsychological functioning

BE Seaton, G Goldstein, DN Allen - Neuropsychology review, 2001 - Springer
Although schizophrenia is often characterized as a heterogeneous disorder, efforts to
validate stable and meaningful subtypes have met with limited success. Thus, the issue of …

Embracing the complexity of heterogeneity in schizophrenia: a new perspective from latent clinical-anatomical dimensions

C Gratton, VA Mittal - Schizophrenia bulletin, 2020 - academic.oup.com
Support continues to grow for the idea that schizophrenia, as we know it, is not a discrete
illness but rather a generalized symptom of brain dysfunction. Distinct groups of individuals …

Subtyping schizophrenia patients based on patterns of structural brain alterations

Y Xiao, W Liao, Z Long, B Tao, Q Zhao… - Schizophrenia …, 2022 - academic.oup.com
Schizophrenia is a complex and heterogeneous syndrome. Whether quantitative imaging
biomarkers can identify discrete subgroups of patients as might be used to foster …

[HTML][HTML] Psychosis brain subtypes validated in first-episode cohorts and related to illness remission: results from the PHENOM consortium

DB Dwyer, GB Chand, A Pigoni, A Khuntia, J Wen… - Molecular …, 2023 - nature.com
Using machine learning, we recently decomposed the neuroanatomical heterogeneity of
established schizophrenia to discover two volumetric subgroups—a 'lower brain …

Identificacion of MRI-based psychosis subtypes: Replication and refinement

Á Planchuelo-Gómez, A Lubeiro, P Núñez-Novo… - Progress in Neuro …, 2020 - Elsevier
The identification of the cerebral substrates of psychoses such as schizophrenia and bipolar
disorder is likely hampered by its biological heterogeneity, which may contribute to the low …

Heterogeneity of schizophrenia: a study of individual neuropsychological profiles

WS Kremen, LJ Seidman, SV Faraone, R Toomey… - Schizophrenia …, 2004 - Elsevier
Based on a strategy developed by Seidman et al.(Seidman, LJ, Faraone, SV, Kremen, WS,
Pepple, JR, Lyons, MJ, Tsuang, MT, 1993. Neuropsychological dysfunctions in the non …

Identifying psychosis subtypes use individualized covariance structural differential networks and multi-site clustering

Y Ji, G Pearlson, J Bustillo, P Kochunov, JA Turner… - Schizophrenia …, 2024 - Elsevier
Background Similarities among schizophrenia (SZ), schizoaffective disorder (SAD) and
bipolar disorder (BP) including clinical phenotypes, brain alterations and risk genes, make it …

Heterogeneity of structural brain changes in subtypes of schizophrenia revealed using magnetic resonance imaging pattern analysis

T Zhang, N Koutsouleris, E Meisenzahl… - Schizophrenia …, 2015 - academic.oup.com
Background: Schizophrenia is a multifaceted mental disorder characterized by cognitive,
perceptual, and affective symptom dimensions. This heterogeneity at the phenomenological …