Abstract
Three experiments are presented indicating that motivational processes arising from incentive and feedback signals exert specific effects on the orienting of visual spatial attention. Subjects played a video game in which targets were presented in one of two peripheral locations. Pre-target cues were employed to orient attention to a location where points could be gained (positive incentive cue), to a location where points could be lost (negative incentive cue) or to neither location (neutral cue). Cost-benefit analyses were used to assess the consequences of such orienting. Although there was no evidence of general attentional biases favoring positive over negative incentives, all three experiments demonstrated an interaction between the incentive value of the current trial and the outcome of the previous trial. Following unsuccessful outcomes, attentional costs were greater for positive than negative incentives, whereas following successful outcomes, costs were larger for negative than positive cues. This pattern was evident for tasks involving detection, perceptual discrimination and memory scanning. These findings are discussed in light of contemporary models of motivation and the control of attention.
Published Version
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