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升高和加速:自闭症儿童的脑部部位活动和视觉搜索能力

Brandon Keehn¹, Girija Kadlaskar², Rebecca McNally Keehn³

¹Department of Speech, Language, and Hearing Sciences, Purdue University, West Lafayette, IN, USA; Department of Psychological Sciences, Purdue University, West Lafayette, IN, USA.

Cortex; a journal devoted to the study of the nervous system and behavior

|October 22, 2023

概括

自闭症儿童显示较快的视觉搜索与较大的瞳孔大小相关,这表明位置coeruleus-norepinephrine (LC-NE) 系统可以提高自闭症的搜索效率和注意力.

科学领域:

神经科学是一个神经科学.
发展心理学发展心理学
眼科医生眼科眼科

背景情况:

自闭症患者经常表现出增强的视觉搜索能力.
自闭症中这种视觉搜索优势的神经支尚未完全理解.
位置coeruleus-norepinephrine (LC-NE) 系统与注意力和感官处理有关,并且在自闭症中经常过度活跃.

研究的目的:

研究视觉搜索性能与静止瞳孔直径之间的关系,这是一种LC-NE系统活动的指标,在自闭症和神经类型儿童中.

主要方法:

24名自闭症儿童和24名神经类型儿童 (8-15岁) 参与了这项研究.
在休息固定任务中测量了瞳孔直径.
视觉搜索效率被评估使用视觉搜索范式与不同的集大小.

主要成果:

自闭症儿童的静止瞳孔尺寸更大,视觉搜索速度和效率更高.
自闭症儿童的加速搜索与较少的固定和减少向左搜索偏差相关.
较大的瞳孔大小 (表明较高的LC-NE活动) 与搜索效率的提高和向左偏差的减少有关.

结论:

增强的强力LC-NE活动可能有助于提高自闭症患者的视觉搜索效率.
这项研究将非社会视觉空间处理强度与自闭症症状联系起来.
研究结果支持LC-NE系统在自闭症患者观察到的视觉搜索优势中的作用.

关键词:

自闭症自闭症自闭症这里是Locus coeruleus的地方.上腺素 (Norepinephrine) 是一种可靠的药物.伪忽视的行为一个学生的学生.视觉搜索视觉搜索视觉搜索

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相关概念视频

Autism Spectrum Disorder

Autism Spectrum Disorder

Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.