Related Experiment Video
Updated: Jan 11, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
Published on: July 5, 2015
Visual awareness sharpens and accelerates attentional sampling through enhancing inhibitory neural modulation in the
Fang Yang1,2, Peijun Yuan1,2, Li Shen1,2
1State Key Laboratory of Cognitive Science and Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, PR China.
Conscious awareness of attentional cues influences how the brain samples information, affecting neural responses and attention speed. This study reveals how visible cues modulate rhythmic attention processes.
Area of Science:
- Cognitive Neuroscience
- Neuroscience of Attention
Background:
- Attentional sampling, driven by neural oscillations in the frontoparietal network, dynamically focuses on stimuli.
- The influence of conscious awareness on this default attentional sampling process is not well understood.
Purpose of the Study:
- To investigate how conscious awareness of attentional cues modulates attentional sampling.
- To explore the neural mechanisms underlying cue awareness in attention.
Main Methods:
- Utilized the Chromatic Flicker Fusion (CFF) method to create invisible attentional cues.
- Employed a high-temporal-resolution behavioral paradigm and electroencephalography (EEG).
- Applied the temporal response function (TRF) approach to analyze neural data.
Main Results:
- Both visible and invisible cues induced rhythmic behavioral sampling and altered frontoparietal connectivity.
- Visible cues led to stronger behavioral inhibition and enhanced alpha activity.
- Conscious cues accelerated attentional sampling (~8 Hz vs. ~4 Hz) and increased frontoparietal coupling (alpha vs. theta bands).
Conclusions:
- Attentional sampling occurs rhythmically irrespective of cue awareness.
- Conscious representation of attentional cues significantly influences inhibitory neural responses within the frontoparietal network.
- Cue awareness modulates the speed and neural dynamics of the attentional sampling process.
More Related Videos
06:46Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
09:48Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
Published on: September 11, 2017
Related Concept Videos
Visual System
Once through the pupil, the light passes through the lens, a...
Vision
Association Areas of the Cortex
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Parallel Processing
Feedback Inhibition