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Turning Touch into Perception
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DOI：10.1016/j.neuron.2019.11.033.png)
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摘要
En 中文
Many brain areas modulate their activity during vibrotactile tasks. The activity from these areas may code the stimulus parameters, stimulus perception, or perceptual reports. Here, we discuss findings obtained in behaving monkeys aimed to understand these processes. In brief, neurons from the somatosensory thalamus and primary somatosensory cortex (S1) only code the stimulus parameters during the stimulation periods. In contrast, areas downstream of S1 code the stimulus parameters during not only the task components but also perception. Surprisingly, the midbrain dopamine system is an actor not considered before in perception. We discuss the evidence that it codes the subjective magnitude of a sensory percept. The findings reviewed here may help us to understand where and how sensation transforms into perception in the brain.
Keyword:
SUBJECTIVE SENSORY EXPERIENCE
PARAMETRIC WORKING-MEMORY
PREFRONTAL CORTEX
PREMOTOR CORTEX
NEURAL MECHANISMS
NEURONAL-ACTIVITY
PARIETAL CORTEX
MOTOR CORTEX
ELECTRICAL MICROSTIMULATION
CORTICOSPINAL PROJECTIONS
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期刊
IF:
15
论文数:
1.4W
被引数:
9.9W
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分享收藏Posterior parietal cortex represents sensory history and mediates its effects on behaviour后顶叶皮层代表感觉史并介导其对行为的影响.png)
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