7.2与PTB兼容的按键相关函数2 ●新建一个函数m文件waitTillKey.m ·一直等待按键，直到检测到按键为止；没按键就一直等待。 %这是函数wait Tillkey,两个输出变量，没有输入变量 1▣function[key3,RT】=waitTil1key 2 &[keys,RT]waitTil12 Returns a vector of keys pressed and the timing of the presses By default,the clock starts within the function,but if startTime is provided then the function will return waitTime seconds after startTime was defined with 'Getsecs'. 7 3/24/09 Written by G.M.Boynton at the University of Washington,modifiedl 新建一个函数m文件waitTillKey.m • 一直等待按键，直到检测到按键为止；没按键就一直等待。 %这是函数waitTillkey，两个输出变量，没有输入变量