Then, test your knowledge with a quiz. People are generally encouraged to think before acting; however, you may have found that sometimes you make good decisions without thinking about them first. The reason you could reject that ice cream without first having to stop and think is because of a strategy called bottom-up processing. Processing is just a shorter way to say taking in information, analyzing it, and drawing conclusions or taking action. Processing involves the brain, the body, and emotions.
Listening: Top down and bottom up
Top Down vs Bottom-Up: The Battle to Understand Speech | Kathi Mestayer
Top-down auditory processing is more, shall we say, thoughtful, using tools like context dinner table, board meeting, classroom , expectations past experience, person speaking , and nonverbal cues facial expressions, body language. It considers those factors, along with the speech sounds, and does its best to interpret what was said. The bottom-up system, on the other hand, makes a lightning-fast, best guess based on the raw sound data. No consideration of context or those other complicating, time-consuming factors. No editor, no proofreader…a hip-shot.
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Visual Perception Theory
So far, we have concentrated in this unit on what is called bottom-up processing also known as data-driven processing. In bottom-up or data-driven processing, what happens is a little bit like the Pandaemonium model we looked at in class. That is, the outside data drive the system. Sensory inputs get registered onto a sensory memory, and then are processed at higher and higher levels until a match is finally found with something in long-term memory.
The way in which we process and therefore understand written and spoken texts is often described as either top-down or bottom-up. In our first language, we probably make use primarily of top-down processing. Our previous experience of watching TV news gives us some knowledge and expectations from which to make predictions about the likely content, as well as the style of language that will likely be used by presenters and journalists. L2 learners use more of a combination of bottom-up and top-down processing.