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Understanding Conscious and Unconscious Processing in Human Attention

This text explores the dynamics of conscious and unconscious information processing in the brain. It highlights the concepts of blindsight, change blindness, and various automatic processes that require little to no conscious awareness. The distinction between automatic and controlled processes is outlined, emphasizing that while automatic processes are efficient, they can lead to cognitive interference, as seen in phenomena like the Stroop Effect. Attention's primary role is portrayed as a mechanism to reduce cognitive load, ensuring optimal functioning in a complex visual environment.

perry-velasquez
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Understanding Conscious and Unconscious Processing in Human Attention

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Presentation Transcript

  1. Achtung! Pay attention to me! To me! Even after perceptual processes have operated, there is still way more information available to us than we can consciously process.

  2. Conscious vs. unconscious processing • Brains are lazy. They want to think as little as possible. • Some of what goes on happens at an unconscious level • Blindsight • Change blindness • Some is designed to reduce cognitive load • Automatic processes • But makes it worse - interference (the Stroop Effect)

  3. Hemispatial Neglect • Patients with damage to the parietal lobe are unable to attend to some part of the visual field.

  4. Automatic vs. Controlled processes • Automatic processes • do not require conscious intervention in their operation. • Difficult to interrupt • Controlled processes • Require conscious oversight, planning, and monitoring • Resource intensive

  5. Reducing Cognitive Load • The primary purpose of attention seems to be to limit the amount of work the brain must do. • Automatic processing • Attentional Priming • Visual Search

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