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Full-Text Articles in Psychology

Visuospatial Reasoning In Toddlers: A Correlational Study Of Door Task Performance, Iris Louella Price May 2009

Visuospatial Reasoning In Toddlers: A Correlational Study Of Door Task Performance, Iris Louella Price

Open Access Dissertations

Previous research using violation-of-expectation paradigms suggests that very young infants have a good understanding of unobserved physical events. Yet toddlers appear to lack this knowledge when confronted with the door task, a visuospatial reasoning task which parallels ones used in the habituation/looking time studies. Many studies have been conducted in an effort to determine why toddlers perform poorly on the door task yet the answer remains unclear. The current study used a correlational approach to investigate door task performance from both psychological (executive function), and neuroscience (prefrontal cortex) perspectives. Children between the ages of 2 ½ - 3 years were …


Understanding Occlusion Inhibition: A Study Of The Visual Processing Of Superimposed Figures, Destinee L Chambers Feb 2009

Understanding Occlusion Inhibition: A Study Of The Visual Processing Of Superimposed Figures, Destinee L Chambers

Doctoral Dissertations 1896 - February 2014

This study investigates a phenomenon that I have termed occlusion inhibition. This research and a small number of earlier studies suggest that, in some experimental conditions, when an attended (target) object is partially occluded by a distractor object, there is less attention allocated to the occluded region of the target object than to the visible parts of that object. In the literature, there are mixed results concerning this attentional effect. Some studies find it and others do not. This study investigates the differences between those conflicting studies with the goal of identifying the factor or factors that govern when occlusion …