Autobiographical memory for deceitful events is said to be forgotten over time to reduce guilt and stress. People who engage in deceitful behavior continue to do so because they are able to stretch their memories to match their moral outlook. In this study, the authors wanted to see if participants who engage in deceitful behavior will change their behavior if they are reminded of their previous misdeeds and compare it with reminding them of past moral behavior and any neutral event. We also studied how the experience, or phenomenology of remembering, differs between immoral and moral memories. In Experiment 1, we found evidence to suggest that reminding deceptive autobiographical memory does not reduce deceptive behavior. In Experiment 2, we found evidence to suggest phenomenological characteristics of Immoral and moral memories are not significantly different from each other but they are both significantly different from that of neutral memory. This contradicts established results in the field. It is interesting to note that only emotional valence is significantly different between immoral and moral memory.
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http://dx.doi.org/10.1177/00332941231213021 | DOI Listing |
Neurology
February 2025
School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.
Background And Objectives: Lipid metabolism in older adults is affected by various factors including biological aging, functional decline, reduced physiologic reserve, and nutrient intake. The dysregulation of lipid metabolism could adversely affect brain health. This study investigated the association between year-to-year intraindividual lipid variability and subsequent risk of cognitive decline and dementia in community-dwelling older adults.
View Article and Find Full Text PDFHum Brain Mapp
February 2025
Research Center for Social Computing and Information Retrieval, Harbin Institute of Technology, Harbin, China.
Pattern separation and pattern completion in the hippocampus play a critical role in episodic learning and memory. However, there is limited empirical evidence supporting the role of the hippocampal circuit in these processes during complex continuous experiences. In this study, we analyzed high-resolution fMRI data from the "Forrest Gump" open-access dataset (16 participants) using a sliding-window temporal autocorrelation approach to investigate whether the canonical hippocampal circuit (DG-CA3-CA1-SUB) shows evidence consistent with the occurrence of pattern separation or pattern completion during a naturalistic audio movie task.
View Article and Find Full Text PDFBMC Psychiatry
January 2025
School of Mental Health, Bengbu Medical University, Bengbu, Anhui, 233030, China.
Background: Although impaired cognitive control is common during the acute detoxification phase of substance use disorders (SUD) and is considered a major cause of relapse, it remains unclear after prolonged methadone maintenance treatment (MMT). The aim of the present study was to elucidate cognitive control in individuals with heroin use disorder (HUD) after prolonged MMT and its association with previous relapse.
Methods: A total of 63 HUD subjects (41 subjects with previous relapse and 22 non-relapse subjects, mean MMT duration: 12.
Neurobiol Aging
January 2025
Center for Lifespan Changes in Brain and Cognition, Department of Psychology, University of Oslo, Oslo 0317, Norway; Department of Radiology and Nuclear Medicine, University of Oslo, Oslo 0317, Norway.
Lower episodic memory capability, as seen in development and aging compared with younger adulthood, may partly depend on lower brain network segregation. Here, our objective was twofold: (1) test this hypothesis using within- and between-network functional connectivity (FC) during episodic memory encoding and retrieval, in two independent samples (n = 734, age 7-82 years). (2) Assess associations with age and the ability to predict memory comparing task-general FC and memory-modulated FC.
View Article and Find Full Text PDFClin Psychol Rev
January 2025
Center on Autobiographical Memory Research, Department of Psychology, Aarhus University, Denmark.
Involuntary autobiographical memories are memories of personal events that come to mind with no preceding retrieval attempts. They have been studied broadly in autobiographical memory for decades and shown to be common and mostly positive in everyday life. Clinical literature has focused on negative intrusive memories of stressful events and tended to neglect other forms of involuntary autobiographical memories.
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