[转帖]无法抗拒的视觉错误
<P><FONT size=3>长度与透视：线AB和线CD长度完全相等，虽然它们看起来相差很大。</FONT></P><P><FONT size=3></FONT> </P><img src="data/attachment/forum/dvbbs/2005-1/2005128152534465.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2005-1/2005128152534465.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
<P><FONT size=3>闪烁的网格：当你的眼睛环顾图像时，连接处的圆片将会一闪一闪
【解析】德国视觉科学家迈克尔·施若夫和E.R.威斯特于1997年发现勒索闪烁的网格幻觉。
这种幻觉产生的原因目前还不十分清楚</FONT> </P>
<img src="data/attachment/forum/dvbbs/2005-1/2005128152743803.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2005-1/2005128152743803.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
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<TD vAlign=top><FONT style="FONT-SIZE: 10.5pt">曲线幻觉：竖线似乎是弯曲的，但其实他们是笔直而相互平行的。
【解析】当你的视网膜把边缘和轮廓译成密码，幻觉就偶然地现在视觉系统发生。这就是曲线幻觉。</FONT> </TD></TR></TABLE></P><img src="data/attachment/forum/dvbbs/2005-1/200512815292796.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2005-1/200512815292796.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
<FONT size=3>伯根道夫环形幻觉：圆圈缺口部分的两端能完整地接上吗？
【解析】虽然端点看起来不连在一起，左边弯曲部分也显得比右边的小一点，但其实这是一个完好的圆</FONT>
<img src="data/attachment/forum/dvbbs/2005-1/200512815305846.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2005-1/200512815305846.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
<FONT size=3>弗雷泽螺旋：你所看到的好像是个螺旋，但其实它是一系列完好的同心圆
【解析】每一个小圆的“缠绕感”通过大圆传递出去产生了螺旋效应。
遮住插图的一半，幻觉将不再起作用。
1906年英国心理学家詹姆斯·弗雷泽创造了以整个系列的缠绕线幻觉图片</FONT><img src="data/attachment/forum/dvbbs/2005-1/2005128153214179.gif" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2005-1/2005128153214179.gif\');}" onmousewheel="return imgzoom(this);" alt="" />
眼花缭乱，有点晕…… <DIV class=quote><B>以下是引用<I>july</I>在2005-1-28 15:46:23的发言：</B>
眼花缭乱，有点晕……</DIV>
me too <P>毁眼睛的：）</P>
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