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Facial and Emotion Recognition Deficits in Myasthenia Gravis
Maddalen García-Sanchoyerto1, Monika Salgueiro2, Javiera Ortega3,4
1Neuro-e-Motion Research Team, Department of Psychology, Faculty of Health Sciences, University of Deusto, 48007 Bilbao, Spain.
Patients with myasthenia gravis (MG) exhibit impaired facial emotion and facial recognition abilities, independent of anxiety and depression. These deficits may impact social interactions for individuals with MG.
Area of Science:
- Neurology
- Psychology
- Immunology
Background:
- Myasthenia gravis (MG) is a chronic autoimmune neuromuscular disease.
- MG patients may experience cognitive deficits, including difficulties with emotion recognition and facial recognition.
- The cause of these cognitive difficulties in MG, whether linked to emotional symptoms or cognitive abilities, is not fully understood.
Purpose of the Study:
- To investigate facial emotion recognition and facial recognition abilities in patients with myasthenia gravis.
- To determine if anxiety and depression levels mediate these cognitive difficulties in MG patients.
- To explore the relationship between cognitive alterations and interpersonal interaction in MG.
Main Methods:
- A descriptive cross-sectional study was conducted with 92 participants (52 MG patients, 40 healthy controls).
- Facial emotion recognition was assessed using the BRFT and FEEL measures.
- Anxiety and depression levels were measured using the HADS scale.
Main Results:
- MG patients demonstrated significantly poorer performance in recognizing "fear," "happiness," "disgust," "surprise," and "anger" compared to controls.
- The MG group also showed deficits in general facial recognition.
- These recognition impairments were not correlated with anxiety or depression levels.
Conclusions:
- Myasthenia gravis is associated with significant deficits in both facial emotion recognition and general facial recognition.
- These cognitive alterations in MG are independent of anxiety and depressive symptoms.
- The observed difficulties in facial processing may negatively affect social interactions for individuals with myasthenia gravis.
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