Pupillary Responses Reflect Image Memorability.

IF 2.9 2区 心理学 Q2 NEUROSCIENCES
Ryosuke Niimi
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Abstract

This study examined whether pupil size varies as a function of the memorability of natural scene images. In Experiment 1, participants were asked to memorize, recognize, and passively view high- and low-memorability images from an established dataset. The baseline-corrected pupil sizes were larger for high-memorability images, but only during old trials in the recognition phase. However, after implementing stricter controls for image luminance and arousal, pupil dilation for high-memorability images was observed across all phases: memorization, recognition, and passive viewing (Experiments 2 and 3). The effect of image memorability was further validated through item-based analysis. Both the pupil old/new effect and the subsequent memory effect were replicated, and these effects are probably separable from the effect of image memorability. The results of this study suggest that pupil size is sensitive to image memorability regardless of the behavioral task, supporting the view that image memorability is an intrinsic, higher-order property of the image.

瞳孔反应反映图像记忆能力。
本研究考察了瞳孔大小是否随自然场景图像记忆能力的变化而变化。在实验1中,参与者被要求记忆、识别和被动地观看来自已建立的数据集的高记忆性和低记忆性图像。对于高记忆性的图像,基线校正后的瞳孔尺寸更大,但仅限于识别阶段的旧试验。然而,在对图像亮度和唤醒进行更严格的控制后,在记忆、识别和被动观看的所有阶段(实验2和3)都观察到高记忆性图像的瞳孔扩张。通过基于项目的分析进一步验证了图像记忆的效果。瞳孔新旧效应和随后的记忆效应都是重复的,这些效应可能与图像记忆效应是可分离的。本研究结果表明,无论行为任务如何,瞳孔大小对图像记忆都很敏感,这支持了图像记忆是图像固有的高阶属性的观点。
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来源期刊
Psychophysiology
Psychophysiology 医学-神经科学
CiteScore
6.80
自引率
8.10%
发文量
225
审稿时长
2 months
期刊介绍: Founded in 1964, Psychophysiology is the most established journal in the world specifically dedicated to the dissemination of psychophysiological science. The journal continues to play a key role in advancing human neuroscience in its many forms and methodologies (including central and peripheral measures), covering research on the interrelationships between the physiological and psychological aspects of brain and behavior. Typically, studies published in Psychophysiology include psychological independent variables and noninvasive physiological dependent variables (hemodynamic, optical, and electromagnetic brain imaging and/or peripheral measures such as respiratory sinus arrhythmia, electromyography, pupillography, and many others). The majority of studies published in the journal involve human participants, but work using animal models of such phenomena is occasionally published. Psychophysiology welcomes submissions on new theoretical, empirical, and methodological advances in: cognitive, affective, clinical and social neuroscience, psychopathology and psychiatry, health science and behavioral medicine, and biomedical engineering. The journal publishes theoretical papers, evaluative reviews of literature, empirical papers, and methodological papers, with submissions welcome from scientists in any fields mentioned above.
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