ASPOFAFF :: Journal - Volume 1 :: Issue 2 :: Vol 1 - Iss 2 - Short Communication - Emotional Hyperreactivity in bipolar patients


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ASPOFAFF :: Journal - Volume 1 :: Issue 2 :: Vol 1 - Iss 2 - Short Communication - Emotional Hyperreactivity in bipolar patients

Vol 1 - Iss 2 - Short Communication - Emotional Hyperreactivity in bipolar patients #39

Emotional Hyperreactivity in bipolar patients M’Bailara K., Swendsen J., Demotes-Mainard J., Henry C.: Corresponding author: Katia M’BAILARA, Hôpital Charles Perrens, Bordeaux, France. Email: katia_mb@hotmail.com. Background: During normothymic periods, it seems that some traits or temperaments could distinguish bipolar patients (BP) to control subjects (Clayton et al., 1994, Akiskal, 1995). Beyond temperamental features BP patients could be also characterized by emotional dimensions. Thus, previous studies have shown that normothymic BP patients presented with an increased affective lability and feel emotions with a higher intensity than non bipolar subjects (Henry et al., 2001). These affective dimensions (affective lability and intensity of emotions) could be linked to a higher emotional reactivity to environmental stimuli in BP patients. The aims of this study were: i) to compare the emotional reactivity in BP patients during normothymic period to control subjects, ii) to assess the fluctuation of this emotional reactivity during mood episodes. Method: The sample was composed by controls subjects (n=87), normothymic BP (n=52), depressive BP (n=13) and manic BP (n=26). Subjects were assessed using the DIGS providing DSM-IV diagnoses. The intensity of depressive and manic episodes were assessed respectively with the MADRS (Montgomery, 1979) and the MAS (Bech, 1978). Emotional reactivity is triggered by the view of 18 pictures with different valences (positive, neutral, negative) (from IAPS). Subjects must give the valence (pleasant or unpleasant) and the arousal (more or less) for each picture using the Self-Assessment Manikin. Results: Concerning the valence, there was no difference between groups for positive and negative pictures, while evaluations differ between groups for neutral pictures (F = 7,4; ddl= 177; p<0.000). Neutral pictures were assessed more pleasant by normothymic BP in comparison with control subjects and by manic BP in comparison with all the other groups. Concerning the arousal, groups were different for all types of slide: positive (F = 7,66 ; ddl= 177; p <0.000), neutral (F = 20,01; ddl= 177; p <0.000), negative (F = 3,95; ddl= 177; p <0.009). Normothymic BP reported greater arousal while viewing neutral slides than the control subjects. Manic patients estimated clearly a higher arousal for all types of picture (positive, neutral or negative). Conclusion: These results suggested an emotional hyperreactivity in normothymic and manic BP that may interfere with environmental stimuli.

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