Attention is the behavioral and cognitive process of selectively concentrating on a discrete aspect of information, whether considered subjective or objective , while ignoring other perceivable information. William James wrote that "Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought. Focalization, concentration, of consciousness are of its essence. Attention remains a crucial area of investigation within education , psychology , neuroscience , cognitive neuroscience , and neuropsychology.
Essay/Term paper: Cognitive dissonance
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To say that facts are less important than feelings in shaping our beliefs about empirical matters seems new, at least in American politics. One of the deepest roots of post-truth has been with us the longest, for it has been wired into our brains over the history of human evolution: cognitive bias. Psychologists for decades have been performing experiments that show that we are not quite as rational as we think. Some of this work bears directly on how we react in the face of unexpected or uncomfortable truths. A central concept of human psychology is that we strive to avoid psychic discomfort.
Leon Festinger 8 May — 11 February was an American social psychologist , perhaps best known for cognitive dissonance and social comparison theory. His theories and research are credited with renouncing the previously dominant behaviorist view of social psychology by demonstrating the inadequacy of stimulus-response conditioning accounts of human behavior. He is also known in social network theory for the proximity effect or propinquity. Festinger studied psychology under Kurt Lewin , an important figure in modern social psychology, at the University of Iowa , graduating in ;  however, he did not develop an interest in social psychology until after joining the faculty at Lewin's Research Center for Group Dynamics at the Massachusetts Institute of Technology in