Abstract

FERNANDEZ-RIOS, Mercedes; REDOLAT, Rosa; SERRA, Emilia  and  GONZALEZ-ALCAIDE, Gregorio. A systematic review of facial emotion recognition in Alzheimer's disease: a developmental and gender perspective. Anal. Psicol. [online]. 2021, vol.37, n.3, pp.478-492.  Epub June 13, 2022. ISSN 1695-2294.  https://dx.doi.org/10.6018/analesps.439141.

The correct identification of basic emotions (joy, fear, disgust, sadness, surprise and anger) plays an important role in social relationships and behaviors linked to one's survival. In Alzheimer's disease (AD), the ability to recognize emotions may already be impaired at early stages of the disease. Therefore, the main objective of the present study was to carry out a systematic review of the literature on facial emotional recognition in people with AD, identifying possible modulating variables. A search on the Web of Science and PsycInfo databases was carried out. After applying the inclusion-exclusion criteria, a total of 28 articles were selected. Static images were the most used stimuli to evaluate the recognition of basic emotions, especially the photographs developed by Paul Ekman and collaborators. Results of the present review indicate that people with AD generally display deficits in emotional recognition, although data are not conclusive, which could be related to the diversity of methodologies applied. In relation to the variables evaluated (sex and age), the need of further research in order to study how these factors could modulate emotional recognition in AD patients is highlighted.

Keywords : Facial emotional recognition; Emotion; Systematic review; Alzheimer's disease; Age; Sex.

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