onset   duration        trial_type
0       3       Inst
3       12      Fix
15      30      SP
45      3       Inst
48      12      Fix
60      30      Sac
90      3       Inst
93      12      Fix
105     30      Asac
135     15      OKN-fix
150     30      OKN
180     3       Inst
183     12      Fix
195     30      SP
225     3       Inst
228     12      Fix
240     30      Sac
270     3       Inst
273     12      Fix
285     30      Asac
315     15      OKN-fix
330     30      OKN