7.2与PTB兼容的按键相关函数1 。新建一个函数m文件waitTilltime.m ·在给定时间内记录并存储按键内容及时间。 %这是函数wait Tilltime,两个输出变量，两个输入变量（第2个输入变量不是必须） 月Function[keys,RT】=wa1tT111time(waitTime,startTime】 3 [keys,RT]waitTill(waitTime,[startTime]) Returns a vector of keys pressed and the timing of the presses during an sinterval of 'waitTime'seconds.By default,the clock starts within the > sfunction,but if startTime is provided then the function will return swaitTime seconds after startrime was defined with 'GetSecs'. 10 An empty variable is returned if no key was pressed during the interval. 11 12 3/24/09 Written by G.M.Boynton at the University of Washington >[keys,RT]waitTilltime(8) >>[keys,RT]waitTilltime(5) keys keys ::%在命令窗口运行函数waitTilltime 1.31=3 RT= 2.2399 3.56174.2635 RT= 1.41351.59361,76351,96952.2353.2.4215l 新建一个函数m文件waitTilltime.m • 在给定时间内记录并存储按键内容及时间。 %这是函数waitTilltime，两个输出变量，两个输入变量（第2个输入变量不是必须） %在命令窗口运行函数waitTilltime