Brain changes have been reported in the first weeks after SARS-CoV-2 infection. However,
limited literature exists about brain alterations in post-COVID syndrome, a condition …

Objective Recent evidence suggests that patients suffering post-acute COVID syndrome
frequently report cognitive complaints, but their characteristics and pathophysiology are …

Background Cognitive deficits are among the main disabling symptoms in COVID-19
patients and post-COVID syndrome (PCS). Within brain regions, the hippocampus, a key …

Background Olfactory dysfunction is common during SARS‐CoV‐2 infection. The
pathophysiology of the persistence of this symptom and the potential relationship with …

Cognitive symptoms after COVID-19 have been increasingly recognized several months
after the acute infection and have been designated as “brain fog.” We report a patient with …

Fatigue is one of the most disabling symptoms in several neurological disorders and has an
important cognitive component. However, the relationship between self-reported cognitive …

Background Primary progressive aphasia (PPA) is a clinical syndrome characterized by
gradual loss of language skills. This study aimed to evaluate the diagnostic capacity of a …

Background: We aimed to evaluate personality traits in patients with post-COVID syndrome,
as well as the association with neuropsychiatric symptoms present in this disorder. Methods …

The concept of the brain has shifted to a complex system where different subnetworks
support the human cognitive functions. Neurodegenerative diseases would affect the …

Pancreatic neuroendocrine tumors (pNETs) are usually well-to-moderately differentiated
neuroendocrine tumors (NETs) that most often metastasize to the liver and lymph nodes with …