PSC 131 Lecture Notes - Lecture 14: Visual Search, Game Players, Attentional Blink
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Lecture 14 attention (may 24, 2017, overview, what is attention, varieties of attention, attentional selection. It is the taking possession of the mind, in clear and vivid form, one out of what seem several simultaneously possible objects or trains of thought. Focalization, concentration of consciousness are of its essence. It implies withdrawal from some things in order to deal effectively with others william james (1890) Most people don"t see it because it"s not a feature you"ve selected. Selective attention: focusing only on one feature and disregarding other features: varieties of attention, external attending to stimuli in the world. Sustained continuously monitoring some stimulus: attentional selection. Spatial cue: the red square (valid only asked to identify letters in the region) Symbolic cue: when the fixation cross turns red, it is more likely to appear in a valid location. Cues can be valid or invalid; time between cue and target varies (soa)
