For example:

load('Y:\Projects\Simultaneous_dPul_PPC_recordings\ephys\dPul_LIP_Lin_20211109\population_Linus_20211109.mat');

population(1).trial(6)

ans =

struct with fields:

              type: 4
          effector: 0
        reach_hand: 0
            choice: 1
           success: 1
           fix_pos: 2.0000 + 0.0000i

tar_pos: -13.0000 + 0.0000i % selected target position

  trial_onset_time: 34.3180
      states_onset: [-0.5432 0 0.0164 1.0167 1.3329 2.1342 2.3496 2.7506 2.7677 3.2340 2.3210 2.3610 2.7506 4.9227]
              date: 20211109
             block: 1
               run: 1 

n: 7 % original trial number in behavioral monkeypsych mat file

         completed: 1
           sac_off: -0.1680 + 0.2490i
           sac_lat: 0.1870
           rea_off: NaN +  NaNi
           rea_lat: NaN
           cue_pos: NaN
         cue_shape: NaN
       all_tar_pos: [2×1 double]
           col_dim: [2×3 double]
           col_bri: [2×3 double]
   target_selected: 2
            states: [1 2 3 6 8 4 5 20 21 50 60 61 90 98]
    run_onset_time: 40342
     arrival_times: [96×1 single]
           dataset: 80
      perturbation: 0
        FR_average: 29.1457
          accepted: 1
                FR: 25.3556