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Between-Object Superiority And The Effects Of Preview On Object-Based Attention In Occluded Objects, Yongna Li
Between-Object Superiority And The Effects Of Preview On Object-Based Attention In Occluded Objects, Yongna Li
Legacy Theses & Dissertations (2009 - 2024)
Object-based attention accounts assume that visual attention selects one object at a time and more efficiently processes properties belonging to the attended object relative to properties belonging to different objects. Within-object superiority (faster RTs and fewer errors for targets on the same object than for targets on different objects) supports object-based attention accounts. However, a contrasting effect, between-object superiority, has also been found. The present nine experiments were designed to distinguish between within-object and between-object superiority effects in objects with occlusion. The present results showed that between-object superiority can be obtained for occluded objects and that this effect is influenced …
The Influence Of Emotion On Attention : Examining The Processing Of Negative And Positive Emotion Words In The Dot Probe Task, Tina Sutton
Legacy Theses & Dissertations (2009 - 2024)
The influence of emotion on attention has been examined more closely in recent years using a variety of paradigms. Öhman (1993) suggested that participants more readily pay attention to negative information than neutral information. The current work was designed to expand upon these findings by examining both negative and positive emotion word processing in a non-clinical population using the dot probe task. Experiments 1a and 1b examined the supraliminal and subliminal processing of negative and positive emotion words presented in separate blocks. The results revealed that participants responded faster to the probe when it appeared in the same location as …