Related Experiment Video
Updated: May 25, 2026
09:37
Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
Published on: July 5, 2015
Nonconscious perception, conscious awareness and attention
1Department of Psychiatry, State University of New York at Buffalo, NY 14214, USA. rbrb@buffalo.edu
Consciousness and Cognition
|January 31, 2012
Summary
Cognitive processing depends on task awareness, not just perception. Understanding attention-dependent versus attention-independent tasks clarifies how variables modulate conscious and nonconscious processing.
Area of Science:
- Cognitive neuroscience
- Neuroimaging
- Psychology
Background:
- The cognitive processing of nonconscious stimuli remains unclear.
- Neuroimaging studies investigate neural networks underlying conscious and nonconscious processing.
- Existing research lacks a clear distinction between awareness of perception and awareness of processing.
Purpose of the Study:
- To investigate the neural basis of cognitive processing for conscious and nonconscious stimuli.
- To determine the role of attention in modulating cognitive processing.
- To propose a new framework for understanding cognitive tasks based on attention dependency.
Main Methods:
- Neuroimaging experiments were conducted.
- Participants performed tasks with varying levels of awareness.
- Brain activity was analyzed to identify activated neural networks.
Main Results:
- Conscious and nonconscious stimuli activate overlapping brain areas during similar tasks.
- Task awareness, not perception awareness, dictates the neural network used.
- Attention modulates both conscious and nonconscious processing, with some nonconscious tasks being attention-independent.
Conclusions:
- Cognitive processing relies on distinct neural networks based on awareness of processing.
- Attention is a key modulator, but not universally required for nonconscious tasks.
- Classifying tasks as attention-dependent or independent offers a clearer understanding than conscious/nonconscious distinctions.
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