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Self-defining memories after severe traumatic brain injury: A preliminary study
Lucien Rochat1, Olivier Renaud2, Annabelle Arnould3,4
1Faculty of Psychology and Educational Sciences, University of Geneva, Switzerland.
Journal of Neuropsychology
|June 10, 2020
Summary
Patients with severe traumatic brain injury (TBI) have less specific self-defining memories (SDMs), impacting their sense of identity and continuity. Interventions may help integrate TBI events into their sense of self.
Area of Science:
- Neuroscience
- Psychology
- Cognitive Science
Background:
- Autobiographical memory is crucial for identity reconstruction, especially after traumatic brain injury (TBI).
- TBI often impairs autobiographical recall, affecting self-perception, but its impact on identity remains unclear.
- Self-defining memories (SDMs) are key personal memories supporting identity.
Purpose of the Study:
- To investigate how severe TBI affects the characteristics of SDMs.
- To explore the relationship between SDM changes and sense of self/identity in TBI patients.
- To identify potential targets for psychological interventions.
Main Methods:
- Recalled three SDMs and rated emotional responses in 16 severe TBI patients and matched controls.
- Analyzed SDM characteristics: specificity, meaning-making, self-connections, content (theme, tension, redemption).
- Independent raters assessed memory features and emotional impact.
Main Results:
- TBI patients' SDMs were less specific and had fewer redemption sequences than controls.
- No significant differences in thematic content, tension, meaning-making, self-connections, or emotional responses.
- TBI-related memories rarely contained explicit meaning, despite patients extracting meaning from other memories.
Conclusions:
- Severe TBI alters SDM specificity and redemption, potentially disrupting self-continuity and identity.
- Patients struggle to integrate TBI events into their identity, despite meaning-making capacity.
- Findings suggest interventions for identity issues in TBI survivors are warranted.
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