The effects of intrinsic motivation on mental fatigue
Fig 8
The results comparison between the study of the extrinsic motivation experiment represented by a dashed line and the intrinsic motivation experiment represented by a solid line.
(A) Fatigue scale (B) MF power of HRV (C) Pupil diameter (D) Visual distraction frequency. All x-axes show blocks, where odd blocks represented by square markers are the low motivation blocks (nonreward condition in the extrinsic motivation experiment and LL condition in the intrinsic motivation experiment). The figures of the extrinsic motivation experiment were adapted from Herlambang et al. [9]. Creative Commons License (CC BY-NC 4.0).