Neurophysiological Correlates of Collective Trauma Recall in 2009 L'Aquila Earthquake Survivors
| Autor: | Paola Aceto, Carlo Lai, Gaia Romana Pellicano, Giada Lucarelli, Daniela Altavilla, Giuseppe Massaro, Massimiliano Luciani |
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| Rok vydání: | 2017 |
| Předmět: |
trauma
earthquake neural correlates dissociation Adult Male medicine.medical_specialty Visual perception Dissociation (neuropsychology) Audiology Electroencephalography Amygdala Disasters Stress Disorders Post-Traumatic 03 medical and health sciences Young Adult 0302 clinical medicine medicine Earthquakes Humans Survivors Young adult Neural correlates of consciousness Analysis of Variance Recall medicine.diagnostic_test 030227 psychiatry Psychiatry and Mental health Clinical Psychology medicine.anatomical_structure Italy Case-Control Studies Mental Recall Female Analysis of variance Psychology 030217 neurology & neurosurgery Photic Stimulation |
| Zdroj: | Journal of traumatic stress. 31(5) |
| ISSN: | 1573-6598 |
| Popis: | In the present study, we aimed to explore neural correlates of survivors of the 2009 L'Aquila, Italy earthquake in response to being shown pictures featuring their own city before and after an earthquake as well as those of an unfamiliar city. Moreover, we explored the associations among psychological variables and brain responses to the pictures of L'Aquila after the earthquake. Our final sample (N = 30 adults) comprised 15 survivors (M age = 31.40 years, SD = 9.42) and 15 controls (M age = 30.53 years, SD = 10.01). Participants' electroencephalographic (EEG) data were recorded during a visual task that included earthquake-related stimuli. Participants were assessed for posttraumatic and dissociation symptoms and event-related potential components, and low-resolution electromagnetic tomography (sLORETA) were analyzed. Compared to the control group, source localization in survivors indicated a lower intensity of the amygdala, hippocampal, parahippocampal, and temporopolar areas in response to visual stimuli concerning the earthquake, p < .001 to p < .0001. Results indicated a reduced limbic activation in response to visual stimuli that evoked the recall of earthquake in survivors. This finding suggests that survivors likely adopted a distancing strategy toward stimuli that may have elicited an emotional activation related to collective trauma. |
| Databáze: | OpenAIRE |
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