Identification and intensity of disgust: distinguishing visual, linguistic and facial expressions processing in Parkinson disease

Anna Sedda, Sara Petito, Maria Guarino, Andrea Stracciari

Research output: Contribution to journalArticle

Abstract

Objectives & methods Most of the studies since now show an impairment for facial displays of disgust recognition in Parkinson disease. A general impairment in disgust processing in patients with Parkinson disease might adversely affect their social interactions, given the relevance of this emotion for human relations. However, despite the importance of faces, disgust is also expressed through other format of visual stimuli such as sentences and visual images. The aim of our study was to explore disgust processing in a sample of patients affected by Parkinson disease, by means of various tests tackling not only facial recognition but also other format of visual stimuli through which disgust can be recognized. Results Our results confirm that patients are impaired in recognizing facial displays of disgust. Further analyses show that patients are also impaired and slower for other facial expressions, with the only exception of happiness. Notably however, patients with Parkinson disease processed visual images and sentences as controls. Conclusions Our findings show a dissociation within different formats of visual stimuli of disgust, suggesting that Parkinson disease is not characterized by a general compromising of disgust processing, as often suggested. The involvement of the basal ganglia-frontal cortex system might spare some cognitive components of emotional processing, related to memory and culture, at least for disgust.
LanguageEnglish
Pages30–36
Number of pages7
JournalBehavioural Brain Research
Volume330
Early online date3 May 2017
DOIs
StatePublished - 14 Jul 2017

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Facial Expression
Linguistics
Parkinson Disease
Dissociative Disorders
Happiness
Frontal Lobe
Interpersonal Relations
Basal Ganglia
Emotions

Cite this

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title = "Identification and intensity of disgust: distinguishing visual, linguistic and facial expressions processing in Parkinson disease",
abstract = "Objectives & methods Most of the studies since now show an impairment for facial displays of disgust recognition in Parkinson disease. A general impairment in disgust processing in patients with Parkinson disease might adversely affect their social interactions, given the relevance of this emotion for human relations. However, despite the importance of faces, disgust is also expressed through other format of visual stimuli such as sentences and visual images. The aim of our study was to explore disgust processing in a sample of patients affected by Parkinson disease, by means of various tests tackling not only facial recognition but also other format of visual stimuli through which disgust can be recognized. Results Our results confirm that patients are impaired in recognizing facial displays of disgust. Further analyses show that patients are also impaired and slower for other facial expressions, with the only exception of happiness. Notably however, patients with Parkinson disease processed visual images and sentences as controls. Conclusions Our findings show a dissociation within different formats of visual stimuli of disgust, suggesting that Parkinson disease is not characterized by a general compromising of disgust processing, as often suggested. The involvement of the basal ganglia-frontal cortex system might spare some cognitive components of emotional processing, related to memory and culture, at least for disgust.",
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Identification and intensity of disgust: distinguishing visual, linguistic and facial expressions processing in Parkinson disease. / Sedda, Anna; Petito, Sara; Guarino, Maria; Stracciari, Andrea.

In: Behavioural Brain Research, Vol. 330, 14.07.2017, p. 30–36.

Research output: Contribution to journalArticle

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AU - Petito,Sara

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AU - Stracciari,Andrea

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Y1 - 2017/7/14

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AB - Objectives & methods Most of the studies since now show an impairment for facial displays of disgust recognition in Parkinson disease. A general impairment in disgust processing in patients with Parkinson disease might adversely affect their social interactions, given the relevance of this emotion for human relations. However, despite the importance of faces, disgust is also expressed through other format of visual stimuli such as sentences and visual images. The aim of our study was to explore disgust processing in a sample of patients affected by Parkinson disease, by means of various tests tackling not only facial recognition but also other format of visual stimuli through which disgust can be recognized. Results Our results confirm that patients are impaired in recognizing facial displays of disgust. Further analyses show that patients are also impaired and slower for other facial expressions, with the only exception of happiness. Notably however, patients with Parkinson disease processed visual images and sentences as controls. Conclusions Our findings show a dissociation within different formats of visual stimuli of disgust, suggesting that Parkinson disease is not characterized by a general compromising of disgust processing, as often suggested. The involvement of the basal ganglia-frontal cortex system might spare some cognitive components of emotional processing, related to memory and culture, at least for disgust.

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