Attention modulates activity in the primary and the secondary auditory cortex:: a functional magnetic resonance imaging study in human subjects
Attention modulates activity in the primary and the secondary auditory cortex:: a functional magnetic resonance imaging study in human subjects
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DOI：
10.1016/s0304-3940(99)00288-8
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发表时间：
1999-05-07
影响因子：
2.5
通讯作者：
Shah, NJ
中科院分区：
文献类型：
--
作者：
Jäncke, L;Mirzazade, S;Shah, NJ
使用功能性磁共振成像，对十名健康受试者进行扫描，同时在三种不同的条件下聆听辅音-元音音节：（i）“不注意”条件要求受试者忽略刺激； (ii) 需要专心聆听刺激的“注意”状态； (iii)需要检测特定目标音节的“检测”条件。测量初级和次级听觉皮层的血流动力学反应。这三种情况与初级和次级听觉皮层的显着不同激活相关。 “检测”条件的激活最强，其次是“参与”条件。在“不注意”条件下，最弱的激活是明显的。左半球和初级听觉皮层内也有更强的激活。这些结果表明初级和次级听觉皮层在选择性注意中发挥主要作用。 (C) 1999 Elsevier Science Ireland Ltd. 保留所有权利。
Using functional magnetic resonance imaging, ten healthy subjects were scanned whilst listening to consonant-vowel syllables under three different conditions: (i) a 'no-attention' condition required subjects to ignore the stimuli; (ii) an 'attend' condition requiring attentive listening to stimuli; (iii) a 'detect' condition requiring detection of a specific target syllable. Hemodynamic responses were measured in the primary and secondary auditory cortex. These three conditions were associated with significantly different activations in the primary and secondary auditory cortex. The strongest activations were found for the 'detect' condition, followed by the 'attend' condition. The weakest activation was evident during the 'no-attention' condition. There were also stronger activitations in the left hemisphere and within the primary auditory cortex. These results suggest that the primary and secondary auditory cortex play a main role in the selective attention. (C) 1999 Elsevier Science Ireland Ltd. All rights reserved.