Psychology 2135A/B Study Guide - Midterm Guide: Inattentional Blindness, Psych, Amygdala

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Failure to consciously perceive items in plain view example: paying attention to basketball passes and not recognizing an extra player. They fail to perceive them but their attention is focused elsewhere. Difficulty in perceiving large changes in similar but slightly different scenes. For example: flicker test two similar images are presented with a brief flicker between them and they are asked to identify the difference. Without the flicker it is much harder to notice a change. Both involve a failure to register unattended stimuli in consciousness this is largely due to the fact that attention is limited. The idea that we have a limited amount of brain power that we can use at any. We must choose what to focus on because we have limited resources: low-load tasks things that require little brain power, high-load tasks tasks that are harder mentally.