研究：做梦能够减轻痛苦的记忆
<p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="used">used</span> <span word="scans">scans</span> <span word="to">to</span> <span word="shed">shed</span> <span word="more">more</span> <span word="light">light</span> <span word="on">on</span> <span word="how">how</span> <span word="the">the</span> <span word="brain">brain</span> <span word="deals">deals</span> <span word="with">with</span> <span word="the">the</span> <span word="memory">memory</span> <span word="of">of</span> <span word="unpleasant">unpleasant</span> <span word="or">or</span> <span word="traumatic">traumatic</span> <span word="events">events</span> <span word="during">during</span> <span word="sleep">sleep</span>.</p><p><span word="The">The</span> <span word="University">University</span> <span word="of">of</span> <span word="California">California</span>, <span word="Berkeley">Berkeley</span> <span word="team">team</span> <span word="showed">showed</span> <span word="emotional">emotional</span> <span word="images">images</span> <span word="to">to</span> <span word="volunteers">volunteers</span>, <span word="then">then</span> <span word="scanned">scanned</span> <span word="them">them</span> <span word="several">several</span> <span word="hours">hours</span> <span word="later">later</span> <span word="as">as</span> <span word="they">they</span> <span word="saw">saw</span> <span word="them">them</span> <span word="again">again</span>.</p><p><span word="Those">Those</span> <span word="allowed">allowed</span> <span word="to">to</span> <span word="sleep">sleep</span> <span word="in">in</span> <span word="between">between</span> <span word="showed">showed</span> <span word="less">less</span> <span word="activity">activity</span> <span word="in">in</span> <span word="the">the</span> <span word="areas">areas</span> <span word="of">of</span> <span word="the">the</span> <span word="brain">brain</span> <span word="linked">linked</span> <span word="to">to</span> <span word="emotion">emotion</span>.</p><p><span word="Instead">Instead</span>, <span word="the">the</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="brain">brain</span> <span word="linked">linked</span> <span word="to">to</span> <span word="rational">rational</span> <span word="thought">thought</span> <span word="was">was</span> <span word="more">more</span> <span word="active">active</span>.</p>
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