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Fleur M. Howells

Researcher at University of Cape Town

Publications -  84
Citations -  3933

Fleur M. Howells is an academic researcher from University of Cape Town. The author has contributed to research in topics: Spontaneously hypertensive rat & Schizophrenia. The author has an hindex of 28, co-authored 79 publications receiving 2674 citations. Previous affiliations of Fleur M. Howells include National Institutes of Natural Sciences, Japan.

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Cortical abnormalities in bipolar disorder : An MRI analysis of 6503 individuals from the ENIGMA Bipolar Disorder Working Group

Derrek P. Hibar, +145 more
- 01 Apr 2018 - 
TL;DR: The largest study to date of cortical gray matter thickness and surface area measures from brain magnetic resonance imaging scans of bipolar disorder patients is performed, revealing previously undetected associations and providing an extensive analysis of potential confounding variables in neuroimaging studies of BD.
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Widespread white matter microstructural differences in schizophrenia across 4322 individuals : results from the ENIGMA Schizophrenia DTI Working Group

Sinead Kelly, +191 more
- 01 May 2018 - 
TL;DR: The present study provides a robust profile of widespread WM abnormalities in schizophrenia patients worldwide, and is believed to be the first ever large-scale coordinated study of WM microstructural differences in schizophrenia.
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Brain aging in major depressive disorder: results from the ENIGMA major depressive disorder working group

Laura K.M. Han, +169 more
- 01 Sep 2021 - 
TL;DR: This highly powered collaborative effort showed subtle patterns of age-related structural brain abnormalities in MDD, and substantial within-group variance and overlap between groups were observed.
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Neuroimaging effects of prenatal alcohol exposure on the developing human brain: a magnetic resonance imaging review

TL;DR: There is a critical gap in the literature of MRI studies in alcohol-exposed children under 5 years of age across all MRI modalities, and the dynamic nature of brain maturation and appreciation of the effects of alcohol exposure on the developing trajectory of the structural and functional network argue for the prioritisation of studies that include a longitudinal approach.
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The neurobiology of methamphetamine induced psychosis.

TL;DR: The effects of methamphetamine on dopaminergic pathways are reviewed, with focus on its ability to increase glutamate release in the cortex and it is proposed that cortical GABAergic interneurons are particularly vulnerable to glutamate overflow as a result of subcellular location of NMDA receptors on interneerons in the cerebral cortex.