Past studies have suggested the amygdale(扁桃体)is important in(26)______respon

游客2023-07-10  21

问题     Past studies have suggested the amygdale(扁桃体)is important in(26)______responses. People who are shown(27)______pictures, for example, have a sudden increase of blood flow to their amygdales(杏仁孔).
    Another study has complicated this picture by adding smells.(28)______in this study, which was(29)______by Adam Anderson at Stanford University, first(30)______into an MRI. That’s a machine that lets us see the brain in action by(31)______up the parts that are most (32)______. Then the subjects smelled. First they smelled fruit smells. Then they smelled nasty,(33)______smells. What might the results be? Low intensities of either nasty or nice smells didn’t cause any response.(34)______. One possible explanation is that the amygdale isn’t just a processor for visual information, but for anything that requires an emotional tag—and that tag, apparently, can be either positive or negative.
    Think of it this way. Not only does that old garbage can stink, I don’t like to be near it.(35)______. Why do we have a feeling about smells? Probably because it helps you behave correctly.(36)______. [br] (29)
Past studies have suggested the amygdale(扁桃体)is important in(26)emotional responses. People who are shown(27)frightening pictures, for example, have a sudden increase of blood flow to their amygdales(杏仁孔).
    Another study has complicated this picture by adding smells.(28)Volunteers in this study, which was(29)conducted by Adam Anderson at Stanford University, first(30)climbed into an MRI. That’s a machine that lets us see the brain in action by(31)lighting up the parts that are most(32)active. Then the subjects smelled. First they smelled fruit smells. Then they smelled nasty,(33)rotten smells. What might the results be? Low intensities of either nasty or nice smells didn’t cause any response.(34)But once the intensity of the smells passed a certain limit, the amygdale lit up, showing that this information was being processed there. One possible explanation is that the amygdale isn’t just a processor for visual information, but for anything that requires an emotional tag—and that tag, apparently, can be either positive or negative.
    Think of it this way. Not only does that old garbage can stink, I don’t like to be near it.(35)The first is an objective assessment of the world, while the second is a feeling. Why do we have a feeling about smells? Probably because it helps you behave correctly.(36)Not only are you drawn to delicious ripe fruit, but you don’t try to get a midnight snack out of the trash.

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