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Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. Each square carries a letter. To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares.
Boggle gives you 3 minutes to find as many words (3 letters or more) as you can in a grid of 16 letters. You can also try the grid of 16 letters. Letters must be adjacent and longer words score better. See if you can get into the grid Hall of Fame !
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Anne Marie Treisman FRS (born February 27, 1935 in Wakefield, Yorkshire) is a psychologist currently at Princeton University's Department of Psychology. She researches visual attention, object perception, and memory. One of her most influential ideas is the feature integration theory of attention, first published with G. Gelade in 1980. Treisman is married to Nobel Laureate psychologist Daniel Kahneman.
Her major contribution is Feature integration theory; according to this theory, different kinds of attention are responsible for binding different features into consciously experienced wholes. The theory of feature integration is very dominant in the field of visual attention to this day. This idea has been disputed. Researchers (Krisjánsson, Nakamura) have shown that the effect of priming can count for the process which Treisman refers to as top down guidance. This was clear when participants were only asked to spot the different object. They couldn't have any top down guidance because they did not know what to look for. And even if they didn't know what to look for they had similar results as did participants in the Treisman study.
Another influential idea, Jeremy Wolfe's theory called Guided Search, took many ideas from the feature integration theory and most works in the field of visual attention that work with the concept of a saliency map reference back to her feature integration theory.
Early in her career, she published a paper in Psychological Review that was central to the development of selective attention as a scientific field of study. This paper articulated many of the basic issues that continue to be fundamental and guide studies of attention to this day. Some years later she proposed an enormously influential theory called Feature Integration Theory (FIT) which has had broad impact both within and outside psychology. Her studies demonstrated that early vision encodes features such as color, form, orientation, and others, in separate "feature maps" and that without spatial attention these features can bind randomly to form illusory conjunctions and deficits in selection. This work has formed the basis for thousands of experiments in cognitive psychology, vision sciences, cognitive science, neuropsychology and cognitive neuroscience.
At about the same time as FIT was proposed, neuroscientists were independently discovering that the primate cortex contained many different cortical areas where neurons were tuned to selective features (for example, orientation, luminance, color, shape, size, motion, and so on). The neuroscience community was abuzz with the question of how the brain solved the "binding problem": how did the visual system recombine features into the unified wholes we see? Again, Treisman saw the problem from a fresh perspective. By testing patients with selective attention problems, she and her students and colleagues first demonstrated that the binding problem could be a real problem in everyday life and that one solution to the binding problem required spatial attention. These findings have had broad impact, spurring a multitude of imaging, electrophysiological and neuropsychological studies.
Treisman was the recipient of the 2009 University of Louisville Grawemeyer Award for Psychology.
She received the William James Fellow Award in 2002. The quote is as follows:
Key works include: