Tuesday, September 7, 2010

Top-Down Visual Processing

Top-down visual processing is considered to be goal oriented. The goal, in this case, is the need to wash the dishes. This requires attention, and a constant priming of action, planning ahead so that the next step is ready to be executed. There are certain points in the process of washing dishes that a higher level of attention will be needed while others only need a lower level. For example a high-level point might be focused on the dish that is being currently washed and a low-level point might be a glance at the next dish that you are wanting to pick up or, where you might want to place the dish that is already in your hand. Without this process, washing the dishes would become very difficult, and the likelihood of breaking a dish is much higher.

IMAGE CREDIT: emotionaltoothpaste

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