超越基于类别的物体特征描述

IF 21.2 1区 医学 Q1 NEUROSCIENCES
Henrietta Howells
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引用次数: 0

摘要

长期以来,人类视觉系统一直被认为是依靠分类来识别物体的,枕颞皮层中对人脸、场景或身体部位做出反应的特定区域的发现就证明了这一点。然而,大脑也可以根据连续的维度来组织物体,这些维度反映了更普遍的、与行为相关的属性。在最近发表的《自然-人类行为》(Nature Human Behaviour)杂志上,Contier、Baker 和 Hebart 显示,与基于类别的神经网络模型相比,行为衍生维度能更好地预测大脑反应。作者利用参与者观看数千张物体图像的功能磁共振成像数据,根据物体之间的感知相似性确定了 66 个行为衍生的物体维度。一些维度在类别选择区域显示出局部激活,另一些则显示出已知的拓扑组织。然而,其他一些维度,例如对薄而扁的物体的反应,则分布更广。这种多维框架为大脑中的局部和分布式物体表征提供了统一的解释。类别选择性可能是更广泛的、与行为相关的表征空间中出现的一种特性:Nat.Hum.https://doi.org/10.1038/s41562-024-01980-y (2024)
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Beyond category-based object characterization
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来源期刊
Nature neuroscience
Nature neuroscience 医学-神经科学
CiteScore
38.60
自引率
1.20%
发文量
212
审稿时长
1 months
期刊介绍: Nature Neuroscience, a multidisciplinary journal, publishes papers of the utmost quality and significance across all realms of neuroscience. The editors welcome contributions spanning molecular, cellular, systems, and cognitive neuroscience, along with psychophysics, computational modeling, and nervous system disorders. While no area is off-limits, studies offering fundamental insights into nervous system function receive priority. The journal offers high visibility to both readers and authors, fostering interdisciplinary communication and accessibility to a broad audience. It maintains high standards of copy editing and production, rigorous peer review, rapid publication, and operates independently from academic societies and other vested interests. In addition to primary research, Nature Neuroscience features news and views, reviews, editorials, commentaries, perspectives, book reviews, and correspondence, aiming to serve as the voice of the global neuroscience community.
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