PSYCH 2E03 Chapter Notes - Chapter 6: Change Blindness, Saccade, Retina
12 Jun 2013
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Attention and perceiving the environment there are limits to our abilities to divide attention. Divided attention: paying attention to a number of things at once. Selective attention: focusing on specific objects and ignoring others. We look at things that are interesting. Selectively focus on certain things in your environment because your visual system has been constructed to operate that way. Retina structure: all-cone fovea, detailed vision, receives disproportionate amount of processing because of magnification. Mental aspect of attention that occurs in addition to eye movement. Measuring eye movement: camera-based eye-trackers track the position of the eye without attaching anything to it. Saccades: punctuated by pauses, indicated by the dots, where the eyes stops momentarily to take in information about a specific part of the scene fixations: pauses, indicate where the person is attending. What determines where we fixate in a scene:
