PMC:2940450 / 4596-5859 JSONTXT

{"project":"0_colil","denotations":[{"id":"20859524-17683222-131710","span":{"begin":289,"end":293},"obj":"17683222"},{"id":"20859524-19434242-131711","span":{"begin":315,"end":319},"obj":"19434242"}],"text":"Here, we review evidence indicating that motivational factors guide perceptual and executive control processes, likely by modulating both bottom-up and top-down processes, thereby helping to solve the limited processing-resources dilemma. In a series of experiments, Engelmann and Pessoa (2007)andEngelmann et al. (2009) investigated the effects of motivation on task performance by probing the effects of parametric changes in incentive value on behavior during difficult spatial localization tasks. Participants were asked to indicate the location of a target stimulus (e.g., degraded face) relative to that of a distracter stimulus (e.g., random noise) as quickly and accurately as possible. Attention was manipulated by using a central cue that predicted target location with 70% validity (such that 30% of the time the cue indicated the incorrect target location) – in such cases, performance during validly cued trials is known to exceed that during invalidly cued ones. Motivation was parametrically manipulated in a blocked fashion by linking payoff to behavioral performance (if performance was both accurate and fast in a given block of trials, participants were given the chance to win cash incentives that varied from $0–$4, or to avoid losing money)."}

{"project":"TEST0","denotations":[{"id":"20859524-50-58-131710","span":{"begin":289,"end":293},"obj":"[\"17683222\"]"},{"id":"20859524-76-84-131711","span":{"begin":315,"end":319},"obj":"[\"19434242\"]"}],"text":"Here, we review evidence indicating that motivational factors guide perceptual and executive control processes, likely by modulating both bottom-up and top-down processes, thereby helping to solve the limited processing-resources dilemma. In a series of experiments, Engelmann and Pessoa (2007)andEngelmann et al. (2009) investigated the effects of motivation on task performance by probing the effects of parametric changes in incentive value on behavior during difficult spatial localization tasks. Participants were asked to indicate the location of a target stimulus (e.g., degraded face) relative to that of a distracter stimulus (e.g., random noise) as quickly and accurately as possible. Attention was manipulated by using a central cue that predicted target location with 70% validity (such that 30% of the time the cue indicated the incorrect target location) – in such cases, performance during validly cued trials is known to exceed that during invalidly cued ones. Motivation was parametrically manipulated in a blocked fashion by linking payoff to behavioral performance (if performance was both accurate and fast in a given block of trials, participants were given the chance to win cash incentives that varied from $0–$4, or to avoid losing money)."}

{"project":"2_test","denotations":[{"id":"20859524-17683222-38088791","span":{"begin":289,"end":293},"obj":"17683222"},{"id":"20859524-19434242-38088792","span":{"begin":315,"end":319},"obj":"19434242"}],"text":"Here, we review evidence indicating that motivational factors guide perceptual and executive control processes, likely by modulating both bottom-up and top-down processes, thereby helping to solve the limited processing-resources dilemma. In a series of experiments, Engelmann and Pessoa (2007)andEngelmann et al. (2009) investigated the effects of motivation on task performance by probing the effects of parametric changes in incentive value on behavior during difficult spatial localization tasks. Participants were asked to indicate the location of a target stimulus (e.g., degraded face) relative to that of a distracter stimulus (e.g., random noise) as quickly and accurately as possible. Attention was manipulated by using a central cue that predicted target location with 70% validity (such that 30% of the time the cue indicated the incorrect target location) – in such cases, performance during validly cued trials is known to exceed that during invalidly cued ones. Motivation was parametrically manipulated in a blocked fashion by linking payoff to behavioral performance (if performance was both accurate and fast in a given block of trials, participants were given the chance to win cash incentives that varied from $0–$4, or to avoid losing money)."}