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Effects of reward and stimulus modality on stimulus‐preceding negativity
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AbstractThe present study aimed to investigate the effect of reward and stimulus modality of feedback stimuli on the stimulus‐preceding negativity. A time estimation task was performed, and (a) the motivational level (reward and no‐reward) and (b) the stimulus modality (auditory and visual) of feedback stimuli were manipulated. The results demonstrated that the stimulus‐preceding negativity was larger in the reward than in the no‐reward condition, especially at the right frontal and the left occipito‐temporal areas. Moreover, the stimulus‐preceding negativity prior to visual feedback stimuli was larger over the occipital areas than in the auditory condition. In contrast, at the prefrontal areas, the amplitude prior to auditory feedback stimuli was larger than in the visual condition. Our results revealed that the prefeedback stimulus‐preceding negativity was independently influenced by stimulus modality and motivation.
Title: Effects of reward and stimulus modality on stimulus‐preceding negativity
Description:
AbstractThe present study aimed to investigate the effect of reward and stimulus modality of feedback stimuli on the stimulus‐preceding negativity.
A time estimation task was performed, and (a) the motivational level (reward and no‐reward) and (b) the stimulus modality (auditory and visual) of feedback stimuli were manipulated.
The results demonstrated that the stimulus‐preceding negativity was larger in the reward than in the no‐reward condition, especially at the right frontal and the left occipito‐temporal areas.
Moreover, the stimulus‐preceding negativity prior to visual feedback stimuli was larger over the occipital areas than in the auditory condition.
In contrast, at the prefrontal areas, the amplitude prior to auditory feedback stimuli was larger than in the visual condition.
Our results revealed that the prefeedback stimulus‐preceding negativity was independently influenced by stimulus modality and motivation.
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