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Effects of Smoking Social Cues on Inhibitory Control in Smokers: An Event-Related Potential Study
Boqiang Zhao1, Haide Chen2,3
1Department of Psychology, Renmin University of China, No.59 Zhongguancun Avenue, Haidian District, Beijing 100872, China.
Summary
Smoking-related cues impair inhibitory control in smokers. Social smoking cues significantly reduce self-control more than object-related cues, affecting error rates and reaction times.
Area of Science:
- Neuroscience
- Psychology
Background:
- Reduced inhibitory control is a hallmark of smoking behavior.
- The impact of specific types of smoking-related cues on inhibitory control remains under-researched.
Purpose of the Study:
- To investigate the differential effects of smoking object-related versus social-related cues on smokers' inhibitory control.
- To compare inhibitory control performance between smokers and non-smokers under various cue conditions.
Main Methods:
- A visual Go/NoGo paradigm was employed with neutral, smoking object, and smoking social backgrounds.
- Error rates, reaction times, and event-related potentials (N2 and P3 amplitudes) were recorded for 25 smokers and 25 non-smokers.
Main Results:
- Smokers showed reduced NoGo-N2 amplitudes compared to controls in neutral conditions.
- Both smoking object and social backgrounds decreased NoGo-N2 amplitudes in smokers relative to neutral backgrounds.
- The social smoking background led to higher commission errors, faster reaction times, and larger NoGo-P3 amplitudes in smokers compared to neutral and object backgrounds.
Conclusions:
- Smoking-related stimuli demonstrably impair inhibitory control in individuals who smoke.
- Socially relevant smoking cues exert a stronger detrimental effect on inhibitory control than object-related cues.
