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Title: How time flies : the perception, perspective and experience of time in bipolar affective disorder
Author: Swift, Anna Louise.
Awarding Body: University of East Anglia
Current Institution: University of East Anglia
Date of Award: 2005
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This study examined time perception, time experience and time perspective in bipolar disorder. In a cross-sectional, quasi-experimental design, 58 bipolar participants completed a clinical interview to assess mood and were assigned to one of three mood state groups; euthymic, depressed or mania. Furthermore, 20 health professionals without a diagnosis of bipolar disorder were recruited as a control group. Therefore, 78 participants in total completed a temporal generalisation computer task (Wearden, 1992), a visual analogue scale of time experience (Blewitt, 1992) and the Zimbardo Time Perspective Inventory (ZTPI, Zimbardo & Boyd, 1999). Results indicated that the manic group were significantly less accurate on the temporal generalisation task indicating a deficit in time perception. However, no significant differences in performance were found between the control, euthymic and depressed groups. Furthermore, in an unfilled duration, depressed participants rated the subjective passing of time as significantly slower than the other groups. Additionally, the manic group rated time as passing significantly faster than the other groups in an unfilled duration. However, when focussed upon a task (filled duration) this effect was reduced to the extent that no significant differences between the groups were found. Finally, significant differences were found between the group profiles on the ZTPI subscales indicating that different mood states were characterised by specific temporal perspectives. The results suggest that bipolar mood states are characterised by differences in temporal experience and this has direct implication for psychological interventions.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (D.Clin.Psy.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available