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Unraveling the role of retrieval deficits in autobiographical memory impairment in schizophrenia: A comparison of involuntary and voluntary autobiographical memories

Abstract : Patients with schizophrenia show severe autobiographical memory impairment, thought to reflect retrieval deficits caused by executive dysfunction. However, prior research has focused exclusively on strategic (voluntary) retrieval, and ignored involuntary retrieval resulting from automatic and associative processes, involving mini- mal cognitive control. We report two studies with patients diagnosed with schizophrenia (Ns = 40 and 50 respectively) comparing their impairment in involuntary versus voluntary autobiographical memory. We use two different methodologies, not previously used in schizophrenia research: a naturalistic study involving real- life data and an experimental setup. Both studies consistently showed that involuntary and voluntary autobiographical memories were similarly impaired in schizophrenia. The absence of interaction effects between group and retrieval suggests that schizophrenic patients did not benefit from memory tasks involving little retrieval effort. These findings suggest that autobiographical memory impairment in schizophrenia are not caused by problems with self-initiated voluntary retrieval, but instead likely reflect encoding or binding deficits.
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https://hal.univ-lille.fr/hal-03273694
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Soumis le : mardi 29 juin 2021 - 14:40:04
Dernière modification le : jeudi 1 juillet 2021 - 11:12:39
Archivage à long terme le : : jeudi 30 septembre 2021 - 19:04:06

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Mélissa Allé, Fabrice Berna, Jean-Marie Danion, Dorthe Berntsen. Unraveling the role of retrieval deficits in autobiographical memory impairment in schizophrenia: A comparison of involuntary and voluntary autobiographical memories. Schizophrenia Research, Elsevier, 2021, 228, pp.89-96. ⟨10.1016/j.schres.2020.12.013⟩. ⟨hal-03273694⟩

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