unrewarded

adj.

未获报答（或报偿、报酬、奖赏）的；

Unrewarded
'UNREWARDED' EXPLORATION AND LEARNING OF COMPLEX MAZES BY WILD AND DOMESTIC MICE
Influence of Unrewarded Stimuli on the Classification of Visual Patterns by Honey Bees
Reward contexts extend dopamine signals to unrewarded stimuli
Striatal dopamine release during unrewarded motor task in human volunteers
Neural Correlates of Rewarded and Unrewarded Eye Movements in the Primate Caudate Nucleus
The effect of effort on the attractiveness of rewarded and unrewarded stimuli.
Erratum: Reward contexts extend dopamine signals to unrewarded stimuli (Current Biology (2014) 24 (56-62))
Towards Smart Equity Factor Indices: Harvesting Risk Premia without Taking Unrewarded Risks
Paying you back or paying me forward: understanding rewarded and unrewarded organizational citizenship behavior