Specifically, the degu pups raised without fathers had fewer synapses in both the orbitofrontal cortex and the somatosensory cortex.

具体而言，在没有父亲的陪伴下被抚养长大的八齿鼠幼崽在眼窝前额皮质和躯体感觉皮质上都具有较少的神经突触。

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It activates a region of the brain called the orbitofrontal cortex, which distinguishes feelings for people with whom we have a close relationship from others.

它会激活前额脑区底部。我们判断和别人关系的亲疏，靠的就是大脑的这个区域。

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The scans revealed that people who most value the company of others have, on average, more dense grey matter in two areas of the brain known as the orbitofrontal cortex and the ventral striatum.

扫描显示，喜欢和他人相处的人平均来说，在大脑的两个区域，即眼窝前额皮质区（orbitofrontal cortex）和腹侧纹状体区（ventral striatum），其灰色质密度相对较大。

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That structure, in turn, is tightly linked to the orbitofrontal cortex, which has been shown to be activated by monetary rewards.

ECONOMIST: Evolutionary biology

They showed part of the brain thought to be involved in "food appeal", the orbitofrontal cortex, became more active on an empty stomach.

BBC: Skipping breakfast primes the brain to seek out fat

Dr. Voytek has examined the the aggression of zombies, and notes that the most likely explanation for this behavior is a lack of a functioning orbitofrontal cortex.

FORBES: Explaining the Neuroscience of the Zombie Epidemic