Berger Tracey D, Martelli Marialuisa, Pelli Denis G
Psychology and Neural Science, New York University, New York, NY, USA.
J Vis. 2003;3(6):406-12. doi: 10.1167/3.6.1.
Verghese and Stone (1995) showed that reducing the perceived number of objects by grouping also reduces objective performance. Shams, Kamitani, and Shimojo (2000) showed that a single flash accompanied by multiple beeps appears to flash more than once. We show that objective orientation-discrimination performance depends solely on the perceived number of flashes, independent of the actual number of beeps and flashes. Thus the unit of perceptual analysis seems to be a perceived event, independent of how it is induced.
韦尔热塞和斯通（1995年）表明，通过分组减少所感知到的物体数量也会降低客观表现。沙姆斯、上谷和下条（2000年）表明，一次闪光伴随着多次哔哔声时似乎会闪烁不止一次。我们表明，客观的方向辨别表现仅取决于所感知到的闪光次数，与哔哔声和闪光的实际次数无关。因此，知觉分析的单位似乎是一个所感知到的事件，与它是如何引发的无关。
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