Life transitions like war, marriage, and immigration presumably organize autobiographical memory. Yet little is known about how the magnitude of a given transition affects this mnemonic impact. To examine this issue, we collected (a) word-cued events, (b) event-dating protocols, (c) personally important events, and (d) transitional impact scores of the Cultural Revolution (1966-1976) and important events from Chinese adults who had been adolescents during the revolution. There were three main findings. First, rusticated participants, who moved from cities to rural areas during the Cultural Revolution, dated autobiographical memories in relation to this collective transition more frequently than nonrusticated participants, with the former group reporting a greater material (but not psychological) change in their lives due to this collective transition than the latter group. Second, material change predicted the degree to which the self-nominated important events served as temporal landmarks in event dating. Third, we observed that the events that people typically considered important and those that typically served as temporal landmarks changed as a function of age but displayed the similar temporal distributions. We conclude by considering the theoretical implications of these findings.
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http://dx.doi.org/10.3758/s13421-017-0733-0 | DOI Listing |
Alzheimers Dement
January 2025
Department of Neuroscience, University of California, Berkeley, California, USA.
Introduction: Successful cognitive aging is related to both maintaining brain structure and avoiding Alzheimer's disease (AD) pathology, but how these factors interplay is unclear.
Methods: A total of 109 cognitively normal older adults (70+ years old) underwent amyloid beta (Aβ) and tau positron emission tomography (PET) imaging, structural magnetic resonance imaging (MRI), and cognitive testing. Cognitive aging was quantified using the cognitive age gap (CAG), subtracting chronological age from predicted cognitive age.
Front Psychol
December 2024
Department of Biological Psychology and Affective Science, Faculty of Human Sciences, University of Potsdam, Potsdam, Germany.
Introduction: It has long been known that highly arousing emotional single items are better recollected than low arousing neutral items. Despite the robustness of this memory advantage, emotional arousing events may not always promote the retrieval of source details (i.e.
View Article and Find Full Text PDFJ Mood Anxiety Disord
December 2024
Harvard University, 52 Oxford Street, Cambridge, MA 02138, United States.
Background: Recurrent symptom-relevant negative autobiographical memories are common in patients with emotional disorders such as anxiety and depression, even among those without a trauma-related diagnosis. Recurrent negative autobiographical memories may also contribute to distress in non-clinical populations.
Methods: To examine the prevalence of recurrent negative autobiographical memories and associated psychological features, we recruited a student sample ( = 101) and a treatment-seeking sample of patients with emotional disorders ( = 123).
Cortex
January 2025
School of Psychology, Liverpool John Moores University, United Kingdom.
Background: Alzheimer's disease (AD) can be diagnosed by in vivo abnormalities of amyloid-β plaques (A) and tau accumulation (T) biomarkers. Previous studies have shown that analyses of serial position performance in episodic memory tests, and especially, delayed primacy, are associated with AD pathology even in individuals who are cognitively unimpaired. The earliest signs of cortical tau pathology are observed in medial temporal lobe (MTL) regions, yet it is unknown if serial position markers are also associated with early tau load in these regions.
View Article and Find Full Text PDFBiol Psychiatry Cogn Neurosci Neuroimaging
January 2025
Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA; Brain and Cognitive Science at the McGovern Institute for Brain Research at Massachusetts Institute of Technology, Cambridge, MA, USA; Department of Psychology, Northeastern University. Electronic address:
The default mode network (DMN) is intricately linked with processes such as self-referential thinking, episodic memory recall, goal-directed cognition, self-projection, and theory of mind. Over recent years, there has been a surge in examining its functional connectivity, particularly its relationship with frontoparietal networks (FPN) involved in top-down attention, executive function, and cognitive control. The fluidity in switching between these internal and external modes of processing-highlighted by anti-correlated functional connectivity-has been proposed as an indicator of cognitive health.
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