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Related Experiment Video

Updated: Feb 23, 2026

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

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Published on: September 28, 2018

Open and cautious towards the "minority view".

¹a Department of Psychology and Center for Brain and Cognitive Sciences, School of Education , Guangzhou University , Guangzhou , China.

Cognitive Neuroscience

|September 7, 2017

Summary

Attention can modulate early visual processing in the primary visual cortex (V1). However, specific conditions are needed to observe this effect, requiring further research into attentional modulation of V1 signals.

Keywords:

Attention C1 event-related potentials (ERPs)

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Area of Science:

Neuroscience
Cognitive Psychology
Visual Perception

Background:

The 'minority view' suggests attention modulates initial afferent processing in the primary visual cortex (V1).
Evidence for this view is limited and requires further replication.
Optimal conditions for attentional modulation of V1 are not well-defined.

Purpose of the Study:

To investigate the conditions under which attention modulates V1 processing.
To clarify the factors influencing attentional effects on early visual signals.

Main Methods:

Utilizing V1-tuned stimuli paired with distractors.
Employing peripheral cuing paradigms.
Implementing tasks with high perceptual load.

Main Results:

Certain experimental conditions, including V1-tuned stimuli with distractors, peripheral cuing, and high perceptual load, favor attentional modulation of V1.
The signal-to-noise ratio in V1 differs between attended and unattended conditions.

Conclusions:

Attentional modulation of V1 is possible under specific, yet to be fully defined, experimental circumstances.
Future research should focus on replicating findings and precisely delineating these optimal conditions, considering signal-noise dynamics.