社会交往和大脑大小……还有其他的故事

BMJ medicine Pub Date : 2023-08-31 DOI:10.1136/bmj.p1937

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摘要

社会孤立与认知功能下降和晚年抑郁症状有关。在一项对9000名日本老年人(≥65岁)进行脑MRI扫描的研究中，它还与总脑容量较低和白质病变负担较高有关。受影响的大脑区域包括那些已知与记忆、情绪和认知有关的区域，如颞叶、海马体和杏仁核。(神经病学doi: 10.1212 / WNL.0000000000207602)。

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Social contact and brain size . . . and other stories

Social isolation has been linked to declining cognitive function and late-life depressive symptoms. In a study of 9000 older adults (≥65 years) living in Japan who had undergone brain MRI scans, it was also associated with lower total brain volume and a higher burden of white matter lesions. Brain regions affected included those known to be involved with memory, mood, and cognition, such as the temporal lobe, hippocampus, and amygdala. (Neurology doi:10.1212/WNL.0000000000207602).

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BMJ medicine

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