Emotional Arousal-Induced Episodic Memory Benefits Are Attenuated in Autism Spectrum Disorders, Especially in Older Age

IF 5.6 2区 医学 Q1 BEHAVIORAL SCIENCES
Autism Research Pub Date : 2025-07-14 DOI:10.1002/aur.70083
Sidni A. Justus, Emily Hutson, Justin Summe, Audrey Duarte
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Abstract

Autism Spectrum Disorder (ASD) is a common neurodevelopmental disorder associated with episodic memory impairment. Although emotional factors such as arousal, as well as age and depression symptoms, are known to influence episodic memory in neurotypical (NT) populations, how these factors affect memory processes in ASD, which is associated with a higher prevalence of depression, remains unclear. In this large-scale online study, 326 adults (ages 18–67) with or without ASD (n = 163 per group) and varying levels of depressive symptoms rated their experienced arousal of positive, negative, and neutral images and performed a recognition task 48 h later. Adults with ASD reported lower arousal for positive images and exhibited reduced arousal-enhanced memory benefits for both positive and negative images compared to NT adults, independent of depression severity. Age further exacerbated this reduced arousal memory benefit in the ASD group, specifically for positive stimuli. These findings underscore the role of atypical emotional arousal in ASD on episodic memory, with age-related declines suggesting accelerated vulnerability in positive memory retention.

Abstract Image

情绪觉醒诱导情景记忆的好处在自闭症谱系障碍中减弱,特别是在老年。
自闭症谱系障碍(ASD)是一种常见的与情景记忆障碍相关的神经发育障碍。虽然情绪因素,如觉醒,以及年龄和抑郁症状,已知会影响神经典型(NT)人群的情景记忆,但这些因素如何影响ASD的记忆过程,这与抑郁症的高患病率有关,尚不清楚。在这项大规模的在线研究中,有或没有ASD的326名成年人(18-67岁)(每组163人)和不同程度的抑郁症状对他们经历的积极、消极和中性图像的唤醒进行了评分,并在48小时后执行了识别任务。与抑郁症严重程度无关,ASD成人对积极图像的唤醒较低,对积极和消极图像的唤醒增强记忆的益处也较NT成人减少。在ASD组中,年龄进一步加剧了这种减少的唤醒记忆的好处,特别是对于积极的刺激。这些发现强调了ASD中非典型情绪唤醒对情景记忆的作用,与年龄相关的衰退表明积极记忆保留的脆弱性加速。
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来源期刊
Autism Research
Autism Research 医学-行为科学
CiteScore
8.00
自引率
8.50%
发文量
187
审稿时长
>12 weeks
期刊介绍: AUTISM RESEARCH will cover the developmental disorders known as Pervasive Developmental Disorders (or autism spectrum disorders – ASDs). The Journal focuses on basic genetic, neurobiological and psychological mechanisms and how these influence developmental processes in ASDs.
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