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Cavum septum pellucidum and its increased prevalence in schizophrenia: a neuroembryological classification.

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TLDR
The neurodevelopmental theory of the septum pellucidum and its possible association with schizophrenia was focused on and the prevalence of a cavum was significantly higher in the patients with schizophrenia.
Abstract
Thirty-two female (mean age=52.9 years [SD=9.2]) patients with a diagnosis of residual schizophrenia and 19 female (mean age=51.1 years [SD=12.7]) control subjects were studied through cerebral Magnetic Resonance Imaging. Along the entire surface of the septum pellucidum, 1-mm coronal slices were performed in all subjects. The authors classified the cavum septum pellucidum into three types based on embryological development. The prevalence of a cavum was significantly higher in the patients with schizophrenia (Chi square 6.112. p < 0.05). No other significant associations with previously described morphological brain changes were found. Although this result was found in previous reports (DeGreef et al., 1992; DeLisi et al., 1993), our discussion focused on the neurodevelopmental theory of the septum pellucidum and its possible association with schizophrenia.

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Regulation of affect by the lateral septum: implications for neuropsychiatry

TL;DR: The lateral septum (LS) plays a critical role in regulating processes related to mood and motivation as mentioned in this paper, both through stimulating the activity of midbrain dopamine neurons and regulating the consequences of this activity on the ventral striatum.

Research report Regulation of affect by the lateral septum: implications for neuropsychiatry

TL;DR: The lateral septum (LS) plays a critical role in regulating processes related to mood and motivation as discussed by the authors, both through stimulating the activity of midbrain dopamine neurons and regulating the consequences of this activity on the ventral striatum.
Journal ArticleDOI

Ethanol-induced face-brain dysmorphology patterns are correlative and exposure-stage dependent.

TL;DR: It is demonstrated that early prenatal ethanol exposure can cause more than one temporally-specific pattern of defects, and the need for an expansion of current diagnostic criteria is illustrated to better capture the full range of facial and brain dysmorphology in fetal alcohol spectrum disorders.
References
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Journal ArticleDOI

Implications of normal brain development for the pathogenesis of schizophrenia

TL;DR: The findings suggest that nonspecific histopathology exists in the limbic system, diencephalon, and prefrontal cortex, that the pathology occurs early in development, and that the causative process is inactive long before the diagnosis is made.
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Abnormalities of the left temporal lobe and thought disorder in schizophrenia. A quantitative magnetic resonance imaging study.

TL;DR: New MRI neuroimaging techniques are used to derive volume measurements and three-dimensional reconstructions of temporal-lobe structures in vivo in 15 right-handed men with chronic schizophrenia and 15 matched controls to discover the degree of thought disorder is related to the size of the reduction in volume of the left posterior superior temporal gyrus.
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Anatomical abnormalities in the brains of monozygotic twins discordant for schizophrenia.

TL;DR: In this article, the authors found that subtle abnormalities of cerebral anatomy (namely, small anterior hippocampi and enlarged lateral and third ventricles) are consistent neuropathologic features of schizophrenia and that their cause is at least in part not genetic.
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Basal Ganglia and Limbic System Pathology in Schizophrenia: A Morphometric Study of Brain Volume and Shrinkage

TL;DR: The volume reductions of the limbic temporal structures and of the pallidum internum of schizophrenics are interpreted as degenerative shrinkages of unknown etiology.
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