### 摘要

The antisaccade task, where eye movements are made away from a target, has been used to investigate the flexibility of cognitive control of behavior. Antisaccades usually have longer saccade latencies than prosaccades, the so-called antisaccade cost. Recent studies have shown that this antisaccade cost can be modulated by event probability. This may mean that the antisaccade cost can be reduced, or even reversed, if the probability of surrounding events favors the execution of antisaccades. The probabilities of prosaccades and antisaccades were systematically manipulated by changing the proportion of a certain type of trial in an interleaved pro/antisaccades task. We aimed to disentangle the intertwined relationship between trial type probabilities and the antisaccade cost with the ultimate goal of elucidating how probabilities of trial types modulate human flexible behaviors, as well as the characteristics of such modulation effects. To this end, we examined whether implicit trial type probability can influence saccade latencies and also manipulated the difficulty of cue discriminability to see how effects of trial type probability would change when the demand on visual perceptual analysis was high or low. A mixed-effects model was applied to the analysis to dissect the factors contributing to the modulation effects of trial type probabilities. Our results suggest that the trial type probability is one robust determinant of antisaccade cost. These findings highlight the importance of implicit probability in the flexibility of cognitive control of behavior.

原文 | 英語 |
---|---|

頁（從 - 到） | 515-526 |

頁數 | 12 |

期刊 | Journal of Neurophysiology |

卷 | 106 |

發行號 | 2 |

DOIs | |

出版狀態 | 已發佈 - 八月 2011 |

對外發佈 | Yes |

### 指紋

### ASJC Scopus subject areas

- Physiology
- Neuroscience(all)

### 引用此文

*Journal of Neurophysiology*,

*106*(2), 515-526. https://doi.org/10.1152/jn.00399.2010

**Trial type probability modulates the cost of antisaccades.** / Chiau, Hui Yan; Tseng, Philip; Su, Jia Han; Tzeng, Ovid J L; Hung, Daisy L.; Muggleton, Neil G.; Juan, Chi Hung.

研究成果: 雜誌貢獻 › 文章

*Journal of Neurophysiology*, 卷 106, 編號 2, 頁 515-526. https://doi.org/10.1152/jn.00399.2010

}

TY - JOUR

T1 - Trial type probability modulates the cost of antisaccades

AU - Chiau, Hui Yan

AU - Tseng, Philip

AU - Su, Jia Han

AU - Tzeng, Ovid J L

AU - Hung, Daisy L.

AU - Muggleton, Neil G.

AU - Juan, Chi Hung

PY - 2011/8

Y1 - 2011/8

N2 - The antisaccade task, where eye movements are made away from a target, has been used to investigate the flexibility of cognitive control of behavior. Antisaccades usually have longer saccade latencies than prosaccades, the so-called antisaccade cost. Recent studies have shown that this antisaccade cost can be modulated by event probability. This may mean that the antisaccade cost can be reduced, or even reversed, if the probability of surrounding events favors the execution of antisaccades. The probabilities of prosaccades and antisaccades were systematically manipulated by changing the proportion of a certain type of trial in an interleaved pro/antisaccades task. We aimed to disentangle the intertwined relationship between trial type probabilities and the antisaccade cost with the ultimate goal of elucidating how probabilities of trial types modulate human flexible behaviors, as well as the characteristics of such modulation effects. To this end, we examined whether implicit trial type probability can influence saccade latencies and also manipulated the difficulty of cue discriminability to see how effects of trial type probability would change when the demand on visual perceptual analysis was high or low. A mixed-effects model was applied to the analysis to dissect the factors contributing to the modulation effects of trial type probabilities. Our results suggest that the trial type probability is one robust determinant of antisaccade cost. These findings highlight the importance of implicit probability in the flexibility of cognitive control of behavior.

AB - The antisaccade task, where eye movements are made away from a target, has been used to investigate the flexibility of cognitive control of behavior. Antisaccades usually have longer saccade latencies than prosaccades, the so-called antisaccade cost. Recent studies have shown that this antisaccade cost can be modulated by event probability. This may mean that the antisaccade cost can be reduced, or even reversed, if the probability of surrounding events favors the execution of antisaccades. The probabilities of prosaccades and antisaccades were systematically manipulated by changing the proportion of a certain type of trial in an interleaved pro/antisaccades task. We aimed to disentangle the intertwined relationship between trial type probabilities and the antisaccade cost with the ultimate goal of elucidating how probabilities of trial types modulate human flexible behaviors, as well as the characteristics of such modulation effects. To this end, we examined whether implicit trial type probability can influence saccade latencies and also manipulated the difficulty of cue discriminability to see how effects of trial type probability would change when the demand on visual perceptual analysis was high or low. A mixed-effects model was applied to the analysis to dissect the factors contributing to the modulation effects of trial type probabilities. Our results suggest that the trial type probability is one robust determinant of antisaccade cost. These findings highlight the importance of implicit probability in the flexibility of cognitive control of behavior.

KW - Saccade

KW - Visual attention

KW - Voluntary control

UR - http://www.scopus.com/inward/record.url?scp=80051532779&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=80051532779&partnerID=8YFLogxK

U2 - 10.1152/jn.00399.2010

DO - 10.1152/jn.00399.2010

M3 - Article

C2 - 21543748

AN - SCOPUS:80051532779

VL - 106

SP - 515

EP - 526

JO - Journal of Neurophysiology

JF - Journal of Neurophysiology

SN - 0022-3077

IS - 2

ER -