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首页> 外文期刊>Frontiers in Psychology >Schizophrenia spectrum participants have reduced visual contrast sensitivity to chromatic (red/green) and luminance (light/dark) stimuli: new insights into information processing, visual channel function, and antipsychotic effects
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Schizophrenia spectrum participants have reduced visual contrast sensitivity to chromatic (red/green) and luminance (light/dark) stimuli: new insights into information processing, visual channel function, and antipsychotic effects

机译：精神分裂症频谱参与者降低了对色度（红色/绿色）和亮度（亮/暗）刺激的视觉对比敏感度：对信息处理，视觉通道功能和抗精神病作用的新见解

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Background: Individuals with schizophrenia spectrum diagnoses have deficient visual information processing as assessed by a variety of paradigms including visual backward masking, motion perception and visual contrast sensitivity (VCS). In the present study, the VCS paradigm was used to investigate potential differences in magnocellular (M) vs. parvocellular (P) channel function that might account for the observed information processing deficits of schizophrenia spectrum patients. Specifically, VCS for near threshold luminance (black/white) stimuli is known to be governed primarily by the M channel, while VCS for near threshold chromatic (red/green) stimuli is governed by the P channel.
机译：背景：精神分裂症频谱诊断患者的视觉信息处理能力不足，可通过多种范式评估，包括视觉向后掩蔽，运动感知和视觉对比敏感度（VCS）。在本研究中，使用VCS范式来研究在巨细胞（M）与小细胞（P）通道功能中的潜在差异，这可能解释了精神分裂症患者所观察到的信息处理缺陷。具体而言，已知用于接近阈值亮度（黑色/白色）刺激的VCS主要由M通道控制，而用于接近阈值色（红色/绿色）刺激的VCS由P通道控制。

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