Abstract

Introduction: Social cognition is an increasingly explored field of research in the study of post-acquired brain injury psychiatric disorders, encompasses a number of domains including theory of mind (ToM). The ToM refers to the ability to understand, infer emotions, and predict the behavior of others. ToM deficits can impair information processing, and the laterality of the brain injury can influence the level of impairment. Objectives: To investigate whether laterality of the post-stroke hemispheric lesion influences performance on ToM tasks. Methods: Cross-sectional observational study, with chronic post-stroke subjects, aged ≥18 years, without cognitive deficits suggestive by Mini Mental State Examination (MMSE). The volunteers were submitted to a single evaluation using the Theory of Mind Task Battery (ToM TB) in its version translated and adapted to Portuguese (Brazil). The participants were allocated into two groups: group with right hemisphere injury (RHI) and group with left hemisphere injury (LHI). Comparative statistics were performed based on the ToM TB scores between the two groups using Student’s t-test. Results: Thirty-eight participants (RHI=22 and LHI=16) were included. There was no difference between the RHI and LHI group regarding social cognition assessed by ToM TB (t=1.63; p=0.11). Conclusion: The laterality of brain injury appears to not influence the level of performance on ToM tasks in stroke survivors.

Highlights

  • Capsaicin is able to induce mast cell degranulation, an event probably related to the pathophysiology of a migraine attack

  • Objectives: The present review study aimed to address the mechanisms of action of capsaicin and other chemical inducers in mast cell degranulation and an interaction of nerves and events that happen in the dura mater with the activation of mast cells

  • The analyses showed significantly higher frequency of the genotype VV in those who had depression, compared with the allele A

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Summary

Introduction

Capsaicin is able to induce mast cell degranulation, an event probably related to the pathophysiology of a migraine attack. Neuroinfections are pathologies that affect the CNS, for example, we have Murcomycosis, a progressive infection caused by opportunistic fungi of the order Mucorales, with high frequency in Immunodepressed patients, Diabetes Mellitus (DM) is the main underlying pathology associated with the development of Rhinocerebral Murcomycosis, which represents 50% of the cases, with a mortality rate of 70% (Sidrim, 2012, p.168). The COVID-19 pandemic has been alarming the world since its first outbreak in December 2019 In this scenario, the presence of aggravating factors such as the elevation of the D-dimer and the reduction of the angiotensin-converting enzyme 2 (ACE2) during the clinical course of the disease, collaborated in the appearance of thromboembolic events derived from inflammatory processes and extensive intravascular coagulation, contributing to the emergence of diseases such as Hemorrhagic Stroke (ICH), leading the patient to have a worse clinical prognosis and a consecutive worsening of their health. Despite being classically associated with this etiology, the finding may be present in other diseases, especially infiltrative ones

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