Orthogonal representation of sound dimensions in the primate midbrain

被引：95

作者：

Baumann, Simon ^{[1
]}

Griffiths, Timothy D. ^{[1
]}

Sun, Li ^{[1
]}

Petkov, Christopher I. ^{[1
]}

Thiele, Alexander ^{[1
]}

Rees, Adrian ^{[1
]}

机构：

[1] Newcastle Univ, Fac Med Sci, Inst Neurosci, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

来源：

NATURE NEUROSCIENCE | 2011年 / 14卷 / 04期

基金：

英国惠康基金;

关键词：

INFERIOR COLLICULUS; CAT; ORGANIZATION; RESPONSES; AWAKE;

D O I：

10.1038/nn.2771

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Natural sounds are characterized by their spectral content and the modulation of energy over time. Using functional magnetic resonance imaging in awake macaques, we observed topographical representations of these spectral and temporal dimensions in a single structure, the inferior colliculus, the principal auditory nucleus in the midbrain. These representations are organized as a map with two approximately perpendicular axes: one representing increasing temporal rate and the other increasing spectral frequency.

引用

页码：423 / 425

页数：3

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