Hi, I am looking for someone to write an article on the psychological theory behind visual attention Paper must be at least 2000 words. Please, no plagiarized work! Attention is measured in terms of the quantity of time they dedicate to an assignment or foundation of information. Eriksen & Yeh (2005) indicate that all models present a specific collection of advantages and disadvantages as an analyzed by human performance.  . Behavioral researchers of visual attention recommended two corresponding modes of collection. First in the space-based form objects, the visual field is selected. while in object-based form ordered lumps of visual information, objects are chosen, even if the substance partly covers in space or are alternating. Even though the two models are discreet, they can run in recital to manipulate the allocation of attention.  . Eriksen &Yeh (2005) note that space-based form of attention has prearranged the rise to the attention as attention symbol, where concentration acts as a way to clarify an adjacent area of the visual area. Additionally, a zoom-lens image is not compulsory in harmony with the judgment that the area of space chosen by absorption can fluctuate in size. Dissimilar to the space-based form, confirmation was established for an object-based form in which attention is bound for large of visual in sequence equal to an object or a rationale appearance in the surroundings, objects in part obscure in space or are irregular. The complete visual facial appearance of an object is outlined as parallel, and facial appearance of an object is considered quicker and more truthfully than facial appearance of supplementary objects. Duncan (2004) states that two objects that tend to be overlapping- a box or a line- depends on two magnitudes. the box is tiny or raised and has a space on its left or right side. the dotted or dashed and tilts. The participants are instructed to report pairs of features. The participants are more precise with coverage of two features of the same objects which are elevation and segment of opening of the box than two facial appearances that fit in two dissimilar objects which are the statures of the box and the slope of the line. The extent of accuracy cannot be accredited to the different factors, for the reason that the two objects partly cover in space. The costs have to be qualified to the changing of attention from one object to another object. Studies conducted by Vecera & Farah (2004) revealed that no supplementary cost is experienced when the two objects are alienated in space signifying that spatial factors are not noteworthy in the object-based operation of attention.  . Research studies show that mutually spatial and object factors can concurrently manipulate the allocation of attention. An exhibit presented by Egly (1994) displayed objects containing two rectangles where one end had its ends cued with a concise flicker. A point appears, and observers give response to the manifestation of the point. The point appears at the cued place and at the end of the object. Participants show a cue validity result, detecting a point at the cued place is fastest than in the non cued position. These findings can be analyzed in terms of usual space-based attention. Though, the gap from the cued place to the point is the same for the non cued points positions, participants are quicker to intellect points at the non cued end of the cued object than other object in points not cued, showing the point of visual concentration to the cured object.