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1. chinaXiv:202005.00034 [pdf]

化危为机:青少年学校转折期的过渡

柴晓运; 林丹华
Subjects: Psychology >> Developmental Psychology

从生命历程的角度看,学校过渡是青少年成长过程中的重要发展转折点,对个体的发展轨迹具有重要影响。先前研究多基于缺陷的视角,将学校过渡视为充满挑战和风险的时期,并发现青少年在这一时期伴随着各种消极的发展结果。但从青少年积极发展的视角来看,学校过渡可能是青少年获得适应性的、健康发展的重要机遇,也是发展可塑性表现最为充分的时期。如果青少年的内部和外部资源能够很好的融合,他们就有可能获得积极的学校过渡。

submitted time 2020-11-26 Hits3362Downloads1293 Comment 0

2. chinaXiv:202010.00076 [pdf]

Multisensory Integration Inhibits Pupillary Light Reflex: Evidence from Pupil Oscillation

Xiangyong Yuan; Yuhui Cheng; Yi Jiang
Subjects: Psychology >> Cognitive Psychology

Multisensory integration is able to enhance stimulus saliency at the early stage of information processing hierarchy. Due to the saliency enhancement, concurrently presented audiovisual stimuli are shown to evoke a transient pupil dilation than its unisensory constituents, presumably reflecting an enhanced activation of the sympathetic pathway. Since pupil size is mediated by both the sympathetic and the parasympathetic pathways, it remains largely unknown whether multisensory integration modulates pupillary responses mediated by the parasympathetic pathway. To probe this issue, the present study measured the pupillary light reflex, which refers to the pupil constriction in response to brightness and is completely controlled by the parasympathetic pathway. We purposely evoked an oscillation of pupillary light reflex by periodically changing the luminance of the visual stimuli, and found this induced pupil oscillation was substantially attenuated when the bright but not the dark phase of a flickering stimulus was periodically and synchronously presented with a burst of tone (Experiments 1 and 2). Furthermore, the inhibited pupillary light reflex vanished when the visual stimuli were moved from the central field to the periphery (Experiment 3), while persisted when the visual stimuli appeared outside the attention focus in a demanding task (Experiment 4). These findings that multisensory integration inhibits pupillary light reflex in an eccentricity dependent but attention independent manner offer preliminary but robust evidence that the parasympathetic pathway can be modulated by multisensory integration.

submitted time 2020-11-09 Hits Psychology >> Developmental Psychology

从生命历程的角度看,学校过渡是青少年成长过程中的重要发展转折点,对个体的发展轨迹具有重要影响。先前研究多基于缺陷的视角,将学校过渡视为充满挑战和风险的时期,并发现青少年在这一时期伴随着各种消极的发展结果。但从青少年积极发展的视角来看,学校过渡可能是青少年获得适应性的、健康发展的重要机遇,也是发展可塑性表现最为充分的时期。如果青少年的内部和外部资源能够很好的融合,他们就有可能获得积极的学校过渡。

submitted time 2020-11-26 Hits3362Downloads1293 Comment 0