[Construction and validation of a test for verbal auditory screening of cognitive alterations (CAVAC)].

Introduction: The global burden of dementia will continue to increase and Latin America will be one of the most affected regions. It is urgent to have new and better cognitive screening tools. There are few screenings composed entirely of auditory-verbal items and even more so for Argentine culture.

[Relationship between severity of hypomimia and basic emotion recognition in Parkinson's disease].

Introduction: Parkinson's disease is characterised by the presence of motor symptoms including hypomimia, and by non-motor symptoms including alterations in facial recognition of basic emotions. Few studies have investigated this alteration and its relationship to the severity of hypomimia.

Objective: The objective is to study the relationship between hypomimia and the facial recognition of basic emotions in subjects with Parkinson's disease.

[Systematic revision of the neural bases of dissociative amnesia].

Introduction: Dissociative amnesia (DA) is a retrograde amnesia characterized by an alteration in episodic memory.

Aim: Establish the neural bases which underlie the development of dissociative amnesia.

Methods: Systematic and evaluative bibliographic review of qualitative type.

[Recognition of basic emotions and their main confusers in Alzheimer-type dementia].

Introduction: An alteration in the recognition of basic emotions is usually observed in Alzheimer's type dementia. Although there is some consensus that basic emotions are six, more recent studies conclude that there may be a combination between fear/ surprise and disgust/anger. This pattern has not yet been investigated in the Alzheimer's type dementia.

[Social cognition in Parkinson's disease dementia and behavioral variant of frontotemporal dementia].

Aim: To study the presence of alterations in social cognition in Parkinson's disease dementia (PDD) and behavioral variant frontotemporal dementia (bvFTD), to compare the levels of involvement, and to analyze their relevance as a tool to distinguish between both demential profile.

Subjects And Methods: For this purpose, 34 patients diagnosed with PDD, 21 men and 13 women, with an average age of 70 years and 8 years of education, and 26 patients diagnosed with bvFTD, 9 men and 17 women, with an average age of 68 years and 6 years of education, were assessed. The control group consisted of 30 healthy subjects, with a mean of 66 years of age and 8 of schooling.