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Cognitive processing in Bipolar Disorder conceptualised using the Interacting Cognitive Subsystems (ICS) model.
| CBU number: | 6823 |
| Authors: | Lomax, C., Lam, D. & BARNARD, P.J. |
| Reference: | Psychological Medicine, 39(5), 773-783 |
| Link: | Link |
| Year of publication: | 2009 |
| Abstract text: | Few theoretical proposals attempt to account for the variation in processing across different affective states of bipolar disorder (BD). Barnard, Palmer, Scott and Knightley (2006, in preparation) extended a multi-level theory of cognition, the Interacting Cognitive Subsystems (ICS), to hypothesise that positive mood state taps into an implicational level of processing, which may be more extreme in states of mania. Thirty individuals with BD and thirty normal controls were tested in euthymic mood state and then in induced positive mood state using the Question-Answer task (Barnard et al., 2006, in preparation). Test questions referenced a plausible inference based on natural schemas for everyday events and were designed to assess the extent to which discrepant meanings were actively scrutinised. Although the present study did not find the groups differed in their ability to detect discrepant meanings in the questions, it did find that the BD group was significantly more likely than the control group to answer questions consistent with a schema-based inference, both before and after mood induction. This may reflect a general cognitive bias, that individuals with euthymic BD have a tendency to operate at a more abstract or implicational level of representation. |
| Annual report number: | CBUAR 53 |

