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Implicit memory reduced selectively for negative words with aging.
Front Aging Neurosci
October 2024
Department of Brain and Cognitive Sciences, McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, United States.
Background: Disproportionally better memory for positive versus negative information (mnemonic positivity effect, MPE) in older versus younger adults has been reported on tests of explicit memory (direct, intentional) as measured by recall and recognition. The purpose of this investigation was to examine whether the MPE would be observed for implicit memory (indirect, unintentional) under conditions where, based on previous research using single words, it was expected that the MPE for explicit memory would be absent.
Methods: This study investigated the influence of age on explicit and implicit memory for positive, negative, and neutral single words as measured by yes/no recognition and word identification on 24 older adults (aged 66-85) and 24 younger adults (aged 18-37) recruited from community centers in South Boston, Massachusetts.
The perceptual and mnemonic effects of ensemble representation on individual size representation.
Atten Percept Psychophys
November 2024
Department of Psychology, The Ohio State University, Columbus, OH, USA.
Article Synopsis
- The study investigates how visual objects influence each other, specifically focusing on the representation of individual objects when surrounded by a group of similar items.
- It found that individual objects appear smaller or larger based on the size of surrounding objects, demonstrating a "repulsive ensemble bias" influenced by both perceptual encoding and memory retention.
- Results indicated that this bias was strongest shortly after presentation (0-50 ms) and reduced over time, showing that both immediate perception and memory maintenance play roles in how we perceive individual object sizes in a group context.
Initial signs in patients with ruptured abdominal aortic aneurysms: time for an expanded triad?
Scand J Trauma Resusc Emerg Med
September 2024
Department of Vascular Surgery, Karolinska University Hospital Stockholm, Stockholm, Sweden.
Background And Objective: Misdiagnosis of ruptured abdominal aortic aneurysms (rAAA) contributes to delayed treatment and potentially higher mortality. The symptomatology in patients with rAAA is complex and challenging, 25-50% presumably fulfill the criteria of the standard triad of signs (STS). The objective was to determine the initial signs registered for patients with verified rAAAs, and to investigate if an expanded diagnostic triad could increase the diagnostic accuracy.
View Article and Find Full Text PDFMalleable national collective memories among Black and White Americans.
J Exp Psychol Gen
August 2024
Department of Psychology, New School for Social Research.
How do groups remember their shared past? Are there individual differences within a group? How easy is it to change collective memories? The present article addresses these questions by focusing on differences within national subgroups, exploring how national collective memories might differ for Black and White Americans, how individual differences and external influences might moderate or alter any differences, and the temporal extent of any changes that might occur due to external influences. Across four studies, participants were asked to identify the five "most important" events in U.S.
View Article and Find Full Text PDFSyncope in the Emergency Department: A Practical Approach.
J Clin Med
May 2024
Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy.
Syncope is a common condition encountered in the emergency department (ED), accounting for about 0.6-3% of all ED visits. Despite its high frequency, a widely accepted management strategy for patients with syncope in the ED is still missing.
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