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Psychiatry General

Cocaine use disorder effects on blood oxytocin levels and OXTR DNA methylation.

Oct 02, 2023

Substance use disorders have been associated with alterations in the oxytocinergic system, but few studies have investigated both the peptide and epigenetic mechanisms potentially implicated in the re...

Intact Mismatch Negativity Responses in Clinical High-Risk for Psychosis and First-Episode Psychosis: Evidence from Source-Reconstructed Event-Related Fields and Time-Frequency Data.

Oct 02, 2023

To examine whether Mismatch Negativity (MMN) Responses are impaired in participants at clinical high-risk for psychosis (CHR-P) and first episode psychosis (FEP) patients and whether MMN-deficits pred...

Understanding people's experiences of the formal health and social care system for co-occurring heavy alcohol use and depression through the lens of relational autonomy: A qualitative study.

Oct 02, 2023

Heavy alcohol use and depression commonly co-occur. However, health and social care services rarely provide coordinated support for these conditions. Using relational autonomy, which recognizes how so...

Are There Any Differences in Clinical and Biochemical Variables between Bipolar Patients with or without Lifetime Psychotic Symptoms?

Oct 02, 2023

Psychotic symptoms occur in more than half of patients affected by Bipolar Disorder (BD) and are associated with an unfavorable course of the disorder. The objective of this study is to identify the d...

An observer-rated strategy for differentiating schizophrenic and manic states in inpatient settings.

Oct 02, 2023

Differentiating schizophrenia from mania in acutely psychotic patients can be difficult, but is important in determining immediate and subsequent management. Such differentiation is generally addresse...

The binding of a c-MYC promoter G-quadruplex to neurotransmitters: An analysis of G-quadruplex stabilization using DNA melting, fluorescence spectroscopy, surface-enhanced Raman scattering and molecular docking.

Oct 02, 2023

The interactions of several neurotransmitter and neural hormone molecules with the c-MYC G-quadruplex DNA sequence were analyzed using a combination of spectroscopic and computational techniques. The ...

Excessive Sedentary Time Is Associated with Cognitive Decline in Older Patients with Minor Ischemic Stroke.

Sep 25, 2023

Cognitive impairment is commonly seen after acute ischemic stroke (AIS). Sedentary behaviors increase the risk of dementia among community dwelling population.This study aims to investigate the associ...

Enhanced methamphetamine sensitisation in a rat model of the brain-derived neurotrophic factor Val66Met variant: Sex differences and dopamine receptor gene expression.

Sep 25, 2023

Brain-derived neurotrophic factor (BDNF) and the Val66Met polymorphism may play a role in the development of psychosis and schizophrenia. The aim of this study was to investigate long-term effects of ...

Executive functioning trajectories and their prospective association with inflammatory biomarkers in schizophrenia and non-psychiatric comparison participants.

Sep 25, 2023

Cognitive change in people with schizophrenia (PwS) is challenging to assess, but important to understand. Previous studies with limited age ranges and follow-up were subject to practice effects. Cont...

Relevance of early management by proton-pump inhibitor in acute upper gastro-intestinal tract disorder: A scoping review.

Sep 25, 2023

Proton-pump inhibitors (PPI) are frequently used in the emergency and general practice settings in several clinical presentations linked to acute upper gastro-intestinal tract disorders as abdominal o...

Nuclear localization of alpha-synuclein induces anxiety-like behavior in mice by decreasing hippocampal neurogenesis and pathologically affecting amygdala circuits.

Sep 25, 2023

Fear and anxiety are common in Parkinson's disease (PD) and may be caused by pathologies outside the dopaminergic system. Increasing evidence has shown that alpha-synuclein (α-syn) is involved in the...

From correlation to causation using directed topological overlap matrix: Applications in genomics.

Sep 25, 2023

Most causal discovery tools assume the local causal Markov condition. However, the theoretical assumptions that underlie the local causal Markov condition are often not met in practice. This is especi...

The relationship between subthreshold psychiatric symptoms and Internet Addiction in an Italian population.

Sep 25, 2023

Internet addiction (IA) is an emerging psychopathological entity, often comorbid with a variety of psychiatric disorders. Subthreshold psychopathology has recently emerged as a new field of research, ...

What's in the mind's eye of individuals with bipolar disorders: an exploration of the content and characteristics of mental images in different thymic phases.

Sep 25, 2023

Mental imagery, or 'seeing with the mind's eye' (Kosslyn . ), provokes strong emotional responses (Ji ., ). To date, there is a lack of data on the content and clinical characteristics (e.g. vividness...

Medical Misnomers are Murky: Time to Memorialize and Rename.

Sep 25, 2023

Misnomers have dogged medical practice seemingly since its inception. They may arise out of initial misunderstanding of the underlying disease process, a fanciful personification of the disease itself...

The Use of Dispensary-Obtained Tetrahydrocannabinol as a Treatment for Neuropsychiatric Symptoms of Dementia.

Sep 25, 2023

Neuropsychiatric symptoms (NPS) of dementia represent a large driver of health care costs, caregiver burden, and institutionalization of people with dementia. Management options are limited, and anti...

The role of the gut microbiome in weight-gain in schizophrenia patients treated with atypical antipsychotics: Evidence based on altered composition and function in a cross-sectional study.

Sep 18, 2023

We aimed to explore the interconnection between the weight-gain in schizophrenia patients with atypical antipsychotic treatment and gut microbiome.This study employed a cross-sectional design, encompa...

Structural Degeneration of the Nucleus basalis of Meynert in Mild Cognitive Impairment and Alzheimer's Disease - Evidence from an MRI-based Meta-Analysis.

Sep 18, 2023

Recent models of Alzheimer's Disease (AD) suggest that neuropathological changes of the medial temporal lobe, especially entorhinal cortex, are preceded by degenerations of the cholinergic Nucleus bas...

Low and very low lithium levels: Thyroid effects are small but still require monitoring.

Sep 18, 2023

Low doses of lithium, as might be used for mood or dementia prevention, do not carry the same renal, toxicity, and tolerability problems of doses used for prophylaxis or treatment of mania. However, t...

Bipolar At-Risk Criteria and Risk of Bipolar Disorder Over 10 or More Years.

Sep 18, 2023

Predicting the onset of bipolar disorder (BD) could facilitate preventive treatments. Among risk measures, bipolar at-risk (BAR) criteria have shown promise in predicting onset of bipolar disorder in ...

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