Attention has been an increasingly difficult subject to study in psychology in recent centuries, and as progress has been made, discoveries of 'more systems within attention itself have also advanced. This has been described as an improvement in the perception of certain stimuli in the environment (Shapiro, 1993), with studies of course focusing on human attention. Despite the complexity of the attentional system, it presents very clear limits which have been highlighted and examined by recent studies. A fairly recently observed phenomenon is known as attentional blinking; a form of selective attention that renders later relevant items in a brief sequence undetectable. Various studies have looked into this topic and, as we will soon discover, there is much more at work here than simply what is decided to be treated and what is not. The topic of interest here relates to selective attention which, as the name suggests, involves selecting the stimulus to focus on. An example of this in everyday life might be finding someone in a crowd based on the clothes they are wearing, or students at a school who zone out while daydreaming. With selective attention, stimuli to which one does not pay attention are of course not detected. This goes back to the idea of ​​the bottleneck, where there is a clear capacity of information that can be processed at the same time. These limitations have been studied and found to be present when the results of dual-task paradigms proved difficult (Chun, Potter, 2000). This is also very relevant for visual and auditory information (Vul, Nieuwenstein, Kanwisher, 2008). When stimuli are processed selectively, they are processed much faster and more efficiently (Hsiao, O'Shaughnessy, Jo... middle of paper ... auditory blink, which, of course, showed no cross-signs). However, as we have seen, the interference within the systems was very apparent. In the visual nod, the discussion put the origin of the problem on the task switching process, which involved a large consumption of resources. changing tasks to focus on targets and ignore distractions (Chun, Potter, 2005). Of course, the extremely short time given to do this also played a very important role in this. In conclusion, we have seen the striking phenomenon. of attentional blink at work, as limitations in selective attention make it difficult to disengage and reengage their focus on targets within 200–500 ms. There are various theories about the mechanism of attentional blinking, as well as hypotheses regarding bottlenecks and phenomena. hearing factors supported.