Related Experiment Video
Updated: Jul 9, 2026

12:55
P50 Sensory Gating in Infants
Published on: December 26, 2013
P50 sensory gating and attentional performance
Li Wan1, Bruce H Friedman, Nash N Boutros
1Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, United States. wan@vt.edu
Summary
This study found that smokers exhibit stronger connections between sensory gating and attention compared to non-smokers. Smoking may positively influence sensory gating and attention, particularly in individuals with schizotypy traits.
Area of Science:
- Neuroscience
- Cognitive Psychology
Background:
- Sensory gating, the preattentional filtering of stimuli, may be impaired in schizotypy.
- Cigarette smoking is associated with schizotypy and may influence sensory gating and attention.
Purpose of the Study:
- To investigate the relationship between sensory gating, smoking, schizotypy, and attention.
- To explore how smoking and schizotypy might modify sensory gating and attention.
Main Methods:
- Examined 39 undergraduates using the P50 suppression paradigm for sensory gating.
- Assessed attention using the Attention Network Test (ANT) and a Stroop task.
Main Results:
- Sensory gating positively correlated with attention measures (alerting, conflict resolution, reaction time, accuracy).
- Smokers demonstrated more significant correlations between sensory gating and attention than non-smokers.
- Schizotypy did not affect the relationship between sensory gating and attention.
Conclusions:
- Smoking appears to positively influence the relationship between sensory gating and attention.
- Findings suggest smoking may modulate sensory gating and attention, with potential implications for schizotypy.

