科學(xué)60秒:大腦顯奇功,光看就能聽
When my toddler hears a strange noise, he’ll say, “Mom, what does that sound look like?” His amusing phrasing innocently mixes sight and sound. But now a study in the journal Nature Neuroscience suggests that ___1___. Because simply seeing a vase shatter ___2___ the part of the brain that handles sound.
If I asked you to imagine a rooster crowing, you’d probably hear the [audio of rooster crowing] in your head. But what’s happening in your brain? We know which ___3___ handle sound waves that come in through your ears. Are the same areas active when you simply imagine the sound?
Scientists placed volunteers in an MRI scanner and showed them a series of nine silent videos. The clips showed things like the breaking vase, a cow mooing or a violin being played. And ___4___, the auditory cortex—which handles sounds—was not only activated by the sights, but it would ___5___ them. So the patterns of activity that represent a howling dog and a chainsaw were distinct.
That means that Hamlet could hear the difference between a hawk and a handsaw—even if he only saw them.
- 相關(guān)熱點(diǎn):
- 品牌聽力
- 英語六級(jí)完形填空