To evaluate whether pulmonary rehabilitation improves emotional cognition, using facial emotions recognition and smile production, by improving the emotional dimension of dyspnoea in patients with chronic obstructive pulmonary disease (COPD).To evaluate whether pulmonary rehabilitation improves emotional cognition, using facial emotions recognition and smile production, by improving the emotional dimension of dyspnoea in patients with chronic obstructive pulmonary disease (COPD).

The aim of the study will be to evaluate the effect of pulmonary rehabilitation on dyspnoea emotional component and on emotional cognition. It will add a better understanding of the mechanisms of pulmonary rehabilitation on dyspnoea.

Patients with COPD will be included before starting a pulmonary rehabilitation and be evaluated with questionnaires (including the Multidimensional Dyspnea Profile, and quality of life questionnaires), emotional cognition (at rest and right after an endurance test, using some short movies sequences and pictures of faces expressing some well defined emotions) and smile production analysis.

After having followed a pulmonary rehabilitation, the same evaluation will be realised and results will be compared before and after the intervention.

Inclusion Criteria:

• COPD patients with pulmonary rehabilitation indication, hospitalized in Department of Pulmonary Diseases in La Pitié-Salpêtrière, Paris, France.
• Age of 40 at least.

Exclusion Criteria:

• Facial paralysis
• Neuromuscular disease
• Contraindication for pulmonary rehabilitation
• Severe depression syndrom or psychiatric disease
• Drug use
• Impaired vision
• Higher functions disorders (Mini Mental Score Examination < 26)
• Severe obesity (BMI>40kg/m²)

COPD patients admitted for a pulmonary rehabilitation