结果：大多数受试者对直肠气囊扩张刺激能明显激活扣带前皮质（35 37）、脑岛皮质（37 37）、额前皮质（37 37）及丘脑（35 37）。
Results: Rectal distention stimulation increased the activity of anterior cingulate cortex (35/37), insular cortex (37/37), prefrontal cortex (37/37), and thalamus (35/37) in most cases.
脑岛的信息再传导至其他决策相关的脑区，尤其是前扣带回和前额叶皮层。
Information from the insula is relayed to other brain structures that appear to be involved in decision making, especially the anterior cingulate and prefrontal cortices.
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