The role of genes, stress, and dopamine in the development of schizophrenia

OD Howes, R McCutcheon, MJ Owen, RM Murray - Biological psychiatry, 2017 - Elsevier
The dopamine hypothesis is the longest standing pathoetiologic theory of schizophrenia.
Because it was initially based on indirect evidence and findings in patients with established …

Glutamate and dopamine in schizophrenia: An update for the 21st century

O Howes, R McCutcheon… - Journal of …, 2015 - journals.sagepub.com
The glutamate and dopamine hypotheses are leading theories of the pathoaetiology of
schizophrenia. Both were initially based on indirect evidence from pharmacological studies …

Cannabis-associated psychosis: Neural substrate and clinical impact

RM Murray, A Englund, A Abi-Dargham, DA Lewis… - …, 2017 - Elsevier
Prospective epidemiological studies have consistently demonstrated that cannabis use is
associated with an increased subsequent risk of both psychotic symptoms and …

The neurobiology and treatment of first-episode schizophrenia

RS Kahn, IE Sommer - Molecular psychiatry, 2015 - nature.com
It is evident that once psychosis is present in patients with schizophrenia, the underlying
biological process of the illness has already been ongoing for many years. At the time of …

Effect of cannabidiol on medial temporal, midbrain, and striatal dysfunction in people at clinical high risk of psychosis: a randomized clinical trial

S Bhattacharyya, R Wilson, E Appiah-Kusi… - Jama …, 2018 - jamanetwork.com
Importance Cannabidiol (CBD) has antipsychotic effects in humans, but how these are
mediated in the brain remains unclear. Objective To investigate the neurocognitive …

Midbrain dopamine function in schizophrenia and depression: a post-mortem and positron emission tomographic imaging study

OD Howes, M Williams, K Ibrahim, G Leung, A Egerton… - Brain, 2013 - academic.oup.com
Elevated in vivo markers of presynaptic striatal dopamine activity have been a consistent
finding in schizophrenia, and include a large effect size elevation in dopamine synthesis …

Brain-imaging studies of treatment-resistant schizophrenia: a systematic review

E Mouchlianitis, R McCutcheon, OD Howes - The Lancet Psychiatry, 2016 - thelancet.com
Around 30% of patients with schizophrenia show an inadequate response to antipsychotics—
ie, treatment resistance. Neuroimaging studies can help to uncover the underlying …

Translating the MAM model of psychosis to humans

G Modinos, P Allen, AA Grace, P McGuire - Trends in neurosciences, 2015 - cell.com
Elevated dopamine function and alterations in medial temporal lobe (MTL) structure and
function are two of the most robust findings in schizophrenia, but how interactions between …

Structural and functional imaging markers for susceptibility to psychosis

C Andreou, S Borgwardt - Molecular psychiatry, 2020 - nature.com
The introduction of clinical criteria for the operationalization of psychosis high risk provided a
basis for early detection and treatment of vulnerable individuals. However, about two-thirds …

Detecting the psychosis prodrome across high-risk populations using neuroanatomical biomarkers

N Koutsouleris, A Riecher-Rössler… - Schizophrenia …, 2015 - academic.oup.com
To date, the MRI-based individualized prediction of psychosis has only been demonstrated
in single-site studies. It remains unclear if MRI biomarkers generalize across different …