In the case of Simons’ study, participants engaged what’s referred to as attentional selection, which is when a person selects certain things to focus on in order to achieve a task and filters out anything that is unrelated to the objective.
There are a number of theories about what causes a person’s inability to recognize obvious changes in their environment, but most agree that the phenomenon is related to sensory processing. Broadly speaking, our brains have a limited capacity to detect and process everything in our environment. Instead, what the brain does is to choose certain things to process, evaluate, and store, which allows other things to be missed or filtered out.
In simple terms, change blindness has a great deal to do with where a person directs their attention. In the case of the gorilla and the basketball, people focused their attention almost exclusively on one thing, which caused them to miss other elements or changes. Given that attention is often at the root of change blindness, a person’s age or mental and physical health can influence how well they will notice changes in stimuli.
Change Blindness
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of change blindness Change blindness is a surprising perceptual phenomenon that occurs when a person recognizes minor changes in scenes while large changes go (72)
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Experiments with change blindness ●The main (73)
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